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Tempus LX CDMA Network Time Server User Manual

1. Navigation Home Page AM EE 65 Receiver Page s 22 unsere n wna a ete due fe d r dans ee o RU Re Ve Te Qe Quae S 66 Receiver Oscillator Page OF Clock Page LS nade Arete ao Un 1 0 Page 68 TTD ESTERI DC neg annals T UNT EE Network Tempus LX CDMA User Manual Network IPv6 sz iene dud sate Wena UU 69 Network DNS 3 2 7 2 err tree petere dre 69 LC tude outer ieee 69 MA 70 Firmware Pag PT 70 Disabling The HTTP Protocol 70 Appendix Security 71 Linux Operating System 7 Using Edit inim e 72 e ta eda A 72 Disabli
2. MO STOR emt a o ec suas iau Ec cba 1 D ER TT US DI MP Le CE C Pes OE 52 52 EN EE cntposctype cntppasswd cntptimemode scr wd Rm e robur oda utu atptimemodeconfig J D oct 26 SL 59 less tear tesla Re M eset 90 cptpstat Optional cpuopis
3. cpuoptsconfig cpusertimeconfig EEE EE eet E esum E Tempus LX CDMA User Manual 55 56 ladoullq ae 554 st OD inetdconfig kplockstat netconfig SR EE 2 ERRAT 56 ptpconfig and ptp2contig Optional VPN RERO PEDEM 74 57 setcdmachannelset OL ntpconfig ptpversionconfig Optional E Et he
4. 106 Software License 108 Appendix Precision Time Protocol IEEE 1588 109 ABOU d cites SEEN Whe Ne 109 Version A0 dd 1 eee Mee un 110 Changing Version Using the Keypad Display 110 Changing Version Using the Network or Serial Port 110 PTPv2 Configuration and Status 111 PTPv2 Configuration and Status Using the Keypad Display 111 PTPv2 Configuration Using the Network or Serial Port 111 PTPv2 Status Using the Network or Serial Port 113 PIPy2 Operation tes CE EET ETE EE Be A 114 Tempus LX CDMA User Manual PTPv1 Configuration and Status 116 PTPv1 Configuration and Status Using the Keypad Display 116 PTPv1 Configuration Using the Network or Serial Port 116 PTPv1 Status Using the Network or Serial Port 118 Lala Operation crn tad TTE 118 About the PTP Second and UTC Time
5. 3 Free FLASH Upgrades ss Eu Ne d I trees a SUES 3 Chapter Two Basic Installation 5 Checking and Identifying the Hardware 5 Tempus LX Physical Description 6 Performing an Initial Site Survey 7 Installing the Tempus LX 8 Mount the Tempus DE tele et oe 8 Connecting the DC Power Option 9 Installing the Antenna 9 Connecting and Configuring Ethernet 9 Configuring Ethernet with the Front Panel Keypad 10 Tempus LX CDMA User Manual Configuring Ethernet with the Serial Port 10 Connect the RS 232 Serial WO Port 10 Test the Serial Port ees ee Re ee desea deed ERE ee 10 Using netconfig to Set Up Your IP 14 Verify Network Configuration 15 Check Neiwork Operation so ud oils ele 17 Using Telnet
6. aera D T T MET upgradekernel 59 RS 232 Serial 1 0 Port Signal Definitions 59 updaterootflag apter Seven IPv6 Information 6 61 a Na en Nef SNMP eum RV Une ees I RE LE I HE be WN CH S 61 Only Protocol 2504 uly de i ee LO Enabling New IPv6 Capabilities IPv Capable syslog ng apter Eight HTTP Interface 63 HTTP Interface Description 64 64 ae nes 65
7. a dons NE TA DET OM dise 17 ES TE ARR 18 Using HIETP PERCHE 18 Configuring the Network Time Protocol 18 Configuring NTP Using the Front Panel Keypad 19 Configuring NTP Using the Network Interface or Serial Port 19 Configuring the Tempus LX as a Stratum 2 Server 21 eR E ROSA Ete ends 21 Chapter Three Setting Up NTP Clients on Unix like Platforms 23 Basic NTP Client Setup 24 Configure PEDE E 24 MD5 Authenticated NTP Client Setup 24 Create ilie nip keys File 1 oorr rer ett RR i YU SE e em RS 25 Configure NIP es fess see E RUE rene OOS 25 Broadcast Multicast NTP Client Setup 26 Configure NTP Client for Broadcast 26 Configure NTP Client for Multicast 27 Test Broadcast Multicast 27 Chapter Four Setting Up NTP Clients on Windows NT 4 0 2000 XP 29 Basic NTP Client Setup ot oue RE vo d Sh Te ro Ran es rr 30
8. The PTP Time Mode is user configured either UTC or PTP When UTC Time mode is configured the clock transmits the UTC epoch and sets the PTP Scale to ARB When the Time mode is PTP the clock transmits the PTP epoch TAT and sets the PTP Scale to PTP See About the PTP Second and UTC Time at the end of this appendix for more information The PTP Multicast TTL 1s user configured in a range from 1 to 255 For a local area network the TTL is configured to 1 114 Tempus LX CDMA User Manual PTP IEEE 1588 PTP Clock Class either SYNCHRONIZED HOLDOVER or UNLOCKED The Clock Class is SYNCHRONIZED when the TFOM level is at 6 The Clock Class is HOLDOVER when the TFOM level is greater than 6 and less than 9 The Clock Class is UNLOCKED when the TFOM level is 9 The PTP Timescale either PTP or ARB When Time Mode is configured to PTP the clock transmits the Timescale as PTP When the Time mode is UTC the clock transmits the Timescale as ARB The PTP Port State either MASTER PASSIVE or LISTENING The PTP Port State is selected as MASTER by the best master clock algorithm otherwise it is PASSIVE or LISTENING The PTP Clock Source either GPS or OSC The PTP Clock Source is GPS if the Clock Class is Syn chronized otherwise it is OSC based on the internal oscillator The PTP UTC Offset The PTP UTC Offset is the offset between TAI and UTC in units of seconds The PTP UTC Offset Valid either TRUE or FALSE The PTP UTC Offset Valid is TRUE if the
9. You can verify that authentication is being used by issuing the command associations to display the characteristics of the client server associations In the auth column of the display you should see for the row corresponding to the Tempus LX server If you see bad you should wait a few minutes to be sure that there is a problem since bad is the initial state of this setting If the bad indication persists then you must check your configuration for errors Typically this is due to a typing error in creating the winnt system32 drivers etc ntp keys file on the client that causes a mismatch between the keys being used by the server and client If you transfer the file by ftp or this shouldn t be a problem It is also possible to have typing error in the winnt system32 drivers etc ntp conf file that causes the needed key to not be included in the trustedkey list Broadcast multicast client setup is relatively simple if You have been able to successfully communicate with the Tempus LX on your network Your Tempus LX has been configured to perform broadcasts or multicasts via the front panel key pad or by running the ntpcon ig shell script This is not the factory default configuration so be sure to run ntpconfig If you are going to use MDS authentication your Tempus LX must have been configured to operate with authentication in the broadcast multicast mode and you must know which
10. se des ae Local Offset ses Hours Display 2 dis leap Seconds 52292 rer Ry Daylight Savings Time CPU 1 0 MENU 24i IPPS Output Time code Output Setup Programmable TTL Output Setup Synthesizer DDS Setup Serial Time Output Setup Display Setup 25 disant a rat Tempus LX CDMA User Manual Network4 Setup mE 7 Network Setup Optional PTP Menu Optional 44 Firmware NC T EROR rer reser UE apter Six Control and Status Commands 45 General Linux Shell Operation 45 Available User Commands 46 Detailed Command Descriptions 4 EP RE D EP DE teens Li cdmachannelset Un ee 48 1 cdmaleapconfig
11. 119 Appendix I Specifications 121 Special Modifications Changes for Customer Requirements 125 Tempus LX CDMA User Manual EndRun C ARN TECHNOLOGIES CDMA Timing How It Works ChapterOne Introduction The Tempus LX is a precision server of Universal Coordinated Time UTC that can be connected via a 10 100Base T ethernet port to any TCP IP network In its most basic operation it sends Network Time Protocol NTP Simple Network Time Protocol SNTP reply packets in response to NTP SNTP request packets which it has received from clients The timestamps it sends in its NTP SNTP reply packets are accurate to less than one hundred microseconds NTP SNTP client software is available for virtually all operating systems The Tempus LX is composed of a Code Division Multiple Access CDMA time and frequency engine integrated with an IBM PC compatible fanless convection cooled 133 MHz CPU with integral ethernet interface a graphic vacuum fluorescent display a keypad and a power supply Non vola tile storage of the embedded Linux operating system and the Tempus LX application software is via FLASH memory For more detailed information that is not included in this manual and links to other sites please visit our website http www endruntechnologies com There you can also download firmware upgrades the latest manuals and other documentation The CDMA time and frequency
12. SDOM is the PTP subdomain one of DFLT ALT1 ALT2 or ALT3 Il is the PTP sync update interval one of 1 2 8 16 or 64 in seconds LL is the PTP leap second setting one of 59 60 or 61 where 59 implies that the last minute of the current day will have 59 seconds leap second deletion and 61 implies that the last minute of the current day will have 61 seconds leap second insertion On the front panel display and in the PTP packets the leap second setting will show as leap 59 and leap 61 TMD is the PTP time epoch either PTP or UTC V is the PTP protocol version only version 1 is implemented TTL is the PTP multicast TTL 1 255 The Tempus LX is configured as an IEEE 1588 Grandmaster Clock Verify that the network settings have been configured and tested using netconfig Once the network has been configured the Tem pus LX will begin to transmit PTP Sync messages to the slave clocks The PTP sync message and status report from the Tempus LX is dependent on the status of the clock configuration including the oscillator type and CDMA Subsystem The PTP Port State will report either MASTER or PASSIVE MASTER is reported when the clock is locked to CDMA and the best master clock algorithm BMC designates this clock as the MASTER The port_state will report PASSIVE if the clock has never locked to CDMA or if the BMC designates this clock as anything other than the MASTER The Sync Identifier will report either GPS or ATOM GPS is re
13. DE EN TECHNOLOGIES Smarter Timing Solutions Tempus LX CDMA Network Time Server User Manual Tempus LX CDMA Network Time Server User Manual Preface Thank you for purchasing the Tempus LX Network Time Server Our goal in developing this product is to bring precise Universal Coordinated Time UTC into your network quickly easily and reliably Your new Tempus LX is fabricated using the highest quality materials and manufacturing processes available today and will give you years of troublefree service About EndRun Technologies EndRun Technologies is dedicated to the development and refinement of the technologies required to fulfill the demanding needs of the time and frequency community Founded in 1998 and headquartered in Santa Rosa California EndRun Technologies is the undis puted leader in the time and frequency distribution technology based on the Code Division Multiple Access CDMA mobile telecommunications infrastructure With innovative designs and painstaking attention to the details of efficient manufacturability EndRun is the first to bring this technology to the broad synchronization market The instruments produced by EndRun Technologies have been selected as the timing reference for such rigorous applications as computer synchronization research institutions aerospace network quality of service monitoring satellite earth stations and calibration laboratories EndRun Technologies is committed to ful
14. DOMAIN name setting Set the domain name Do not supply a leading Enter domain name for cntp your domain STATIC IP ADDRESS setting Set the IP address for the Tempus LX CDMA Example 111 112 113 114 Enter IP address for cntp aaa bbb ccc ddd 192 168 1 245 DEFAULT GATEWAY ADDRESS setting Set the default gateway address such as 111 112 113 1 If you don t have a gateway just hit ENTER to continue Enter default gateway address aaa bbb ccc ddd 192 168 1 241 NETMASK setting Set the netmask This will look something like this 255 255 255 0 Enter netmask aaa bbb ccc ddd 255 255 255 248 14 Tempus LX CDMA User Manual BASIC INSTALLATION Calculating the BROADCAST and NETWORK addresses Broadcast 192 168 1 247 Network 192 168 1 240 Your Tempus LX CDMA s current IP address full hostname and base hostname 192 168 1 245 cntp your domain cntp DOMAIN NAMESERVER S address setting Will your Tempus LX CDMA be accessing a nameserver yles nlo y Set the IP address of the primary name server to use for domain your domain Enter primary name server IP address aaa bbb ccc ddd 192 168 1 1 Will your Tempus LX CDMA be accessing a secondary nameserver yles nlo y Set the IP address of the secondary name server to use for domain your domain Enter secondary name server IP address aaa bbb ccc ddd 192 168 1 2 Setting up TCP IP Creating etc HOSTNAME Creating etc rc d rc ine
15. ing the warranty period EndRun Technologies will repair or replace products which prove to be defective For warranty service or repair this product must be returned to EndRun Technologies Buyer shall prepay shipping charges to send product to EndRun Technologies and EndRun Technologies shall pay shipping charges to return product to Buyer However if returned product proves to be operating normally not defective then Buyer shall pay for all shipping charges If Buyer is located outside the U S A then Buyer shall pay all duties and taxes if any Products not manufactured by EndRun Technologies but included as an integral part of a system e g peripherals options are warranted for ninety days or longer as provided by the original equipment manufacturer from date of shipment Extended Warranty The MTBF Mean Time Between Failures for this product is 225 000 hours 25 years After the initial warranty period it is most cost effective for the customer to repair the unit on an as needed ba sis rather than pay for an extended warranty or the annually recurring fees of a service contract Limitation of Warranty The foregoing express warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer or User Buyer supplied software or interfacing unauthorized modification or misuse operation outside of the environmental specifications for the product or improper site prepa ration or maintenance
16. 0501 0002 000 RJ 45 to RJ 45 CAT S patch cable 2 meters part 0501 0000 000 Magnetic mount antenna cable assembly part 502 0007 001 5 Tempus LX CDMA User Manual Tempus LX Physical Description CHAPTER TWO ole 3 e TECHNOLOGIES MORE e Sync LED This green LED flashes to indicate synchronization status Network LED This amber LED illuminates when the Tempus LX is connected to the network and flashes when receiving or transmitting packets Alarm LED This red LED illuminates briefly at power up and thereafter whenever a serious fault condition exists Owes Antenna Jack RS 232 Connector 10 100Base T Jack 1PPS Jack Option PPS RS 422 Option AM Code Jack Option This TNC connector mates with the downlead cable from the external antenna This DB 9M connector provides the RS 232 serial I O console interface to the Tempus LX This console allows the user to initialize and maintain the Tempus LX See Chapter 6 RS 232 Serial I O Port Signal Definitions for detailed information This RJ 45 connector mates with the ethernet twisted pair cable from the network This BNC connector provides the optional 1PPS Output TTL and is usually labeled SPARE The pulse width is normally 1 millisecond wide when shipped from the factory but can be changed via the front panel key
17. CDMA Subsystem Upgrade These pages are used for upgrading the firmware You must be logged in as root in order to have access to these pages The latest released versions of Tempus LX firmware are freely available on the EndRun website For detailed information on how to perform the upgrade either via the network port the serial port or the HTTP interface see Appendix B Upgrading The Firmware Only the Linux Subsystem root file system RFS and the CDMA Subsystem can be upgraded via the HTTP interface To upgrade the Linux Subsystem kernel see Appendix B Upgrading the Firmware Per forming the Linux Kernel Upgrade Reboot This page will allow you to perform a software reboot of both the Linux Subsystem and the CDMA Subsystem This is normally used after a firmware upgrade but can be done anytime you wish to reset the Tempus LX To disable HTTP you need to edit a system start up script called etc rc d rc local This script starts several daemons You can either remove the line that lists HTTP or you can place a character at the beginning of the line so that it will not be executed A very compact editor is available on the sys tem for this purpose edit If you start edit without giving it a file name to open it will display its help screen showing the supported keystrokes IMPORTANT After editing etc rc d rc local you must copy it to the boot etc rc d directory and reboot the system It is very important to retain the acc
18. NENA1 NENA8 and NMEA the baud rate 4800 9600 19200 57600 and the parity ODD EVEN or NONE The three NMEA sentences can also be changed but are applicable only if the output format is NMEA More information about the various formats is in Appendix F Serial Time Output Set cpusertimeconfig Tempus LX response Interactive shell script is started eraserootfs 1 This command erases the UPGRADE root file system FLASH partition in preparation for performing a Linux NTP Subsystem firmware upgrade See Appendix B Upgrading the Firmware for more information Set eraserootfs 1 Tempus LX response Erase progress as percent is shown help This command displays a list of the Tempus LX commands not Linux commands To get help on a particular command you would type help followed by the command Query help Tempus LX response Tempux LX commands are displayed Query help cdmastat Tempus LX response Information specific to the cdmastat command is displayed inetdconfig This command starts an interactive shell script that will allow the user to configure the list of protocol servers which are started by the inetd server daemon running in the Tempus LX Three protocol servers may be configured TIME DAYTIME and TELNET By default the unit is configured to start all of these protocol servers If you need to disable start up of some or all of these e g for secu rity reasons you must run this script as root from either the RS
19. cally be greater than 2 5 for the instrument to acquire a signal But once it has locked it can maintain lock at levels down to about 2 0 Frame Error Rate The number shown represents the sync channel frame error rate 0 000 to 1 000 with a higher num ber implying more Cyclical Redundancy Check CRC failures Higher numbers will correlate with lower signal to noise ratios PNO This is the pseudonoise offset 0 to 511 in units of 64 pseudonoise code chips Each base station in an area has a different PNO Channel This is the CDMA frequency channel being used There are eight possible cellular channels and 42 possible PCS channels Units configured for operation in Japan have two possible cellular channels Channel Set This shows the current CDMA channelset being used by the CDMA receiver It can be one of North America Cellular Korea Cellular North America PCS India Cellular or Japan Cellular Signal Fault Mask This field shows the current setting for the Signal Alarm Mask When the signal alarm is masked it will prevent a signal loss fault from creating an alarm condition Some installations may need to mask this fault when operating the NTP server as a Stratum 2 server To change the signal alarm mask use the setsigfltmask command 66 Tempus LX CDMA User Manual HTTP INTERFACE Receiver Oscillator Page This page shows receiver oscillator control information such as Oscillator Type This field shows the oscillator type t
20. gt ptpversionconfig kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Precision Time Protocol IEEE 1588 Version Configuration xk k k xxx kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk This script will allow you to configure PTP Version 1 or 2 The changes you make now will not take effect until you re boot the Tempus LX CDMA If you make a mistake just re run ptpversionconfig prior to re booting You will now be prompted for the necessary set up parameters kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk PTP Version Configuration Set the PTP Version 1 or 2 2 Configuring PTP to start as Version 2 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk The Tempus LX CDMA Precision Time Protocol IEEE 1588 Version configuration has been updated Please re boot now for the changes to take effect kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk 110 Tempus LX CDMA User Manual PTPv2 Configuration and Status PTP IEEE 1588 Now reboot the syst
21. telnet or ssh and perform these operations Change the working directory to the tmp directory cd tmp If you are using tp to perform the upgrade transfer the previously downloaded file using binary transfer mode from the remote host to the working directory tmp The CDMA Subsystem image will be named with the software part number and version like 6010 0020 000 3 01 bin When fol lowing the instructions below substitute the name of the actual CDMA Subsystem image that you are installing for 6010 0020 000 3 01 bin ftp remote host perform ftp login on remote host bin set transfer mode to binary get 6010 0020 000 3 01 transfer the file quit close the ftp session after the transfer If you are using ssh you may open another command window on the remote computer and securely transfer the CDMA Subsystem image to the tmp directory using scp from the remote computer A command like this could be used scp p 6010 0020 000 3 01 bin root cntp your domain tmp Now issue the following command to the Tempus LX console to initiate the upload upgradecdma tmp 6010 0020 000 3 01 bin This command is a script that performs the file transfer to the CDMA Subsystem It first tells the CDMA Subsystem to enter the waiting for download mode and then prompts you with this line When you see the character hit enter to begin the upload Then it echos the serial port characters sent by the CDMA Subsystem to the con
22. the windows system32 drivers etc directory As suming that your Tempus LX server has been configured to use key 2 for broadcast authentication as shown in the example in chapter 2 make sure that key 2 is included in the trustedkey line and add this line to the end of the nfp conf file multicastclient 224 0 1 1 or for IPv6 multicastclient ff05 101 If you are not using MDS authentication you would add these lines disable auth multicastclient 224 0 1 1 or for IPv6 disable auth multicastclient 05 101 You may remove the line added previously in Basic NTP Client Setup server 192 168 1 245 33 Tempus LX CDMA User Manual CHAPTER FOUR or the authenticated version added in 5 Authenticated NTP Client Setup server 192 168 1 245 key 1 Test Broadcast Multicast Restart ntpd exe to have it begin using the Tempus LX as a broadcast or multicast server By de fault the NTP installation program installs ntpd exe as a service called Network Time Protocol and starts it You must use the Services utility in Control Panel to stop the Network Time Protocol service and then restart it Use the NTP utility ntpq exe to check that ntpd exe is able to communicate with the Tempus LX By default it is installed in the Program Files Network Time Protocol sub directory of your Windows NT 2000 XP partition After issuing the command ntpq you will see the ntpq exe command prompt ntpq gt Use the command peers to di
23. 00 through 23 lt CR gt is the ASCII carriage return character 0x0D The first lt CR gt is the on time character lt LF gt is the ASCII line feed character 0x0A NENAI lt CR gt lt LF gt Q WWW DDMMMY Y HH MM SS lt CR gt lt LF gt Q is the time quality indicator and may be either lt space gt ASCII space character 0x20 which indicates locked ASCII question mark 0x3F which indicates the unsynchronized condition This is the on time character is the space character 0x20 WWW is the day of week MON TUE WED THU FRI SAT DD is the day of month 1 31 MMM is the month JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC YY is the two digit year is the colon character 0x3A HH is the hour of the day 00 23 MM is the minute of the hour 00 59 SS is the second of the minute 00 60 lt CR gt is the ASCII carriage return character 0x0D The first lt CR gt is the on time character lt LF gt is the ASCII line feed character Ox0A 98 Tempus LX CDMA User Manual NMEA Format SERIAL TIME OUTPUT NENAS CR 2 LF2Q YYYY DDD HH MM SS D ZZ CR LF Q is the time quality indicator and may be either space ASCII space character 0x20 which indicates locked ASCII question mark 0x3F which indicates the unsynchronized condition This is the on time character A is the space character 0x20 YYYY Is the four digit year DDD is the day of year 001 366 i is the c
24. Configure NTP EURO HERR RE URS 30 MD5 Authenticated NTP Client Setup 3l Create ihe cu re te dle soe mie een e TERT ee 3l Configure NIP IHRER UR Ro oet cete e RC e Ae Rt 3l Broadcast Multicast NTP Client Setup 32 Configure NTP Client for Broadcast 33 Tempus LX CDMA User Manual Configure NTP Client for Multicast Test Broadcast Multicast Chapter Five Front Panel Keypad and Display Display Description Keypad Description Display and Keypad Operation Traversing the Display Structure oen enr ee e ar eec Keypad EDIT Lockout Using Help RR han ele ey Shoricut Menu Detailed Display Descriptions Time Status endis ema eR EI menti Main ane Rm Ihn ae ele Receiver Menu Receiver Stats cece E ED e UE Ch nn lsets 5 est hi ir ie Oscillator Status Signal Loss Fault Mask Clock Menu Time Mode ss re
25. Main Menu and provides version information for the ap plication software running on the CDMA Subsystem and the Linux NTP Subsystem Linux root file system and kemel Use UP and DOWN to toggle between the information windows About The About display is selected from the Main Menu and provides contact information for EndRun Technologies The website and toll free phone number are listed 44 Tempus LX CDMA User Manual EndRun C TECHNOLOGIES General Linux Shell Operation Chapter Six Control and Status Commands This chapter describes the Tempus LX control and status commands The Tempus LX supports several application specific commands for performing initialization setup and for monitoring the performance and status of the NTP and CDMA Subsystems You do not need knowledge of Linux commands in order to operate the Tempus LX However the Tempus LX does support a subset of the standard Linux shell commands and utilities A wealth of information is available from a variety of other sources on Linux Only the Tempus LX specific commands will be described in this chapter The serial 1 0 port physical and electrical characteristics are defined as well You do not need to know Linux in order to operate the Tempus LX However for those interested the command shell used by the Tempus LX is the Linux standard bash All commands and file names are case sensitive which is standard for Unix like operating systems If you are unfamili
26. Manual THIRD PARTY SOFTWARE b You must cause any work that you distribute or publish that in whole or in part contains or is de rived from the Program or any part thereof to be licensed as a whole at no charge to all third parties under the terms of this License c If the modified program normally reads commands interactively when run you must cause it when started running for such interactive use in the most ordinary way to print or display an announce ment including an appropriate copyright notice and a notice that there is no warranty or else saying that you provide a warranty and that users may redistribute the program under these conditions and telling the user how to view a copy of this License Exception if the Program itself is interactive but does not normally print such an announcement your work based on the Program is not required to print an announcement These requirements apply to the modified work as a whole If identifiable sections of that work are not derived from the Program and can be reasonably considered independent and separate works in themselves then this License and its terms do not apply to those sections when you distribute them as separate works But when you distribute the same sections as part of a whole which is a work based on the Program the distribution of the whole must be on the terms of this License whose permissions for other licensees extend to the entire whole and thus to each and every
27. NET SNMP project has its roots in the Carnegie Mellon University SNMP implementation For more detailed information about the NET SNMP project and to obtain management software and detailed configuration information you can visit this website http www net snmp org An excellent book which describes operation and configuration of various SNMP managers and agents including the NET SNMP implementations is available from O Reilley amp Associates Essential SNMP Mauro amp Schmidt O Reilley amp Associates 2001 If you are planning to operate with SNMPv3 it is highly recommended that you make use of both of these resources to familiarize yourself with the agent configuration concepts Prior to SNMPv3 SNMP had definite security inadequacies due to using two community names in a manner analogous to passwords that were transmitted over the network as clear text In addition since no mechanism existed for authenticating or encrypting session data any number of man in the middle data corruption replacement exploits were possible in addition to plain old snooping to learn the community names SNMPv3 implements the User based Security Model USM defined in RFC 2274 which employs modern cryptographic technologies to both authenticate multiple users and to encrypt their session data for privacy much in the same way that SSH does for remote login shell users In addition it implements the View based Access Control Model VACM defined in R
28. PTPv1 subsystem of the Tempus LX You will be prompted to set the PTPv1 parameters as follows Preferred State TRUE or FALSE Sync Interval 1 2 8 16 or 64 seconds Subdomain Name DFLT ALT1 ALT2 or ALT3 PTP Time Mode UTC or PTP PTP TTL 1 255 One file is modified etc ptp conf This is a non volatile stored file in the FLASH disk boot etc direc tory You must reboot the Tempus LX after running this script for the changes to take effect The following is a transcript of the question and answer configuration utility provided by ptpconfig The user entered parameters are underlined Tempus LX CDMA root cntp gt ptpconfig kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Precision Time Protocol Configuration k diki k dikk kk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk This script will allow you to configure the ptp conf file that controls the daemon operation 116 Tempus LX CDMA User Manual PTP IEEE 1588 You will be able to configure the PTP sync interval preferred state subdomain name and time mode The changes you make now will not take effect until you re boot the Tempus LX If you make a mistake just re run ptpconfig prior to re booting You will now be prompted for the necessary set up parameters kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk PTP preferred Configuration Set PTP preferred T
29. SSL configuration is Professional Apache Wainwright Wrox Press 1999 To disable HTTP see Disable SNMP and HTTP above 76 Tempus LX CDMA User Manval Upgrade Via The HTTP Interface EndRun DS EN TECHNOLOGIES AppendixB Upgrading the Firmware Periodically EndRun Technologies will make bug fixes and enhancements to our products available for download from our website All such downloads are freely available to our customers without charge You may securely upgrade your Tempus LX firmware via the HTTP interface the network port or the serial port Software upgrades for the Tempus LX are available at this link http www endruntechnologies com upgradetemplx htm The HTTP interface is not available in the older Tempus LX models These models have a Linux Subsystem part number of 6010 0042 000 To see the software part number go to Firmware on the front panel display or enter the cntpversion command via the network serial port If you have one of the older Tempus LX models please proceed to the next section Upgrade Via The Network Serial Port The newer Tempus LX models have or can have the HTTP interface capability These models have a Linux Subsystem part number of 6010 0044 000 The HTTP interface was introduced at version 5 50 of the Linux Subsystem software If you have one of the newer Tempus LX models and your current software version is at least 5 50 you may upgrade firmware via the HTTP interface or the network
30. Sync Interval 1 or2 Announce Interval 1 2 3 8 or 16 Priority 1 0 255 Priority2 0 255 Delay Mechanism E2E or P2P Domain 0 255 PTP Time Mode UTC or PTP PTP TTL 1 255 111 Tempus LX CDMA User Manual APPENDIX H One file is modified etc ptp2 conf This is a non volatile stored file in the FLASH disk boot etc directory You must reboot the Tempus LX after running this script for the changes to take effect The following is a transcript of the question and answer configuration utility provided by ptp2config The user entered parameters are underlined Tempus LX CDMA root ecntp gt ptp2config kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk xkkkkkkkkkkkkDrecision Time Protocol IEEE 1588 V2 Configuration dk kd kk dee e kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk This script will allow you to configure the ptp2 conf file x that controls the PTP V2 daemon operation You will able to configure the sync interval announce interval priorityl priority2 delay mechanism domain time mode and ttl The changes you make now will not take effect until you re boot the Tempus LX CDMA If you make a mistake just re run ptp2config prior to re booting You will now be prompted for the necessary set up parameters kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk
31. TEL 1 877 749 3878 FAX 707 573 8619 www endruntechnologies com
32. Tempus LX CDMA User Manual TO THE EXTENT PERMITTED BY LAW THIS WARRANTY AND REMEMDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES REMEDIES AND CONDITIONS WHETHER ORAL OR WRITTEN STATUTORY EXPRESS OR IMPLIED AS PERMITTED BY APPLICABLE LAW ENDRUN SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Warranty Repair If you believe your equipment is in need of repair call EndRun Technologies and ask for a customer service agent It is important to contact us first as many problems may be resolved with a phone call Please have the serial number of the unit and the nature of the problem available before you call If it is determined that your equipment will require service we will issue an RMA number You will be asked for contact information including your name address phone number and e mail address Ship the unit prepaid in the original container or a container of sufficient strength and protection to EndRun Technologies EndRun will not be responsible for damage incurred during shipping to us Be sure the RMA number is clearly identified on the shipping container Our policy is to repair the unit within 5 business days If it is necessary to order parts or if other circumstances arise that require more than 5 days an EndRun service technician will contact you Loaner units are not included as part of the standard warranty Repair After Warranty Expiration If the w
33. Tempus UPGRADE rootfs 0x00fe0000 0x01000000 Tempus Hi BootLdr mtd Giving out device 6 to Tempus Hi BootLdr NET4 Linux TCP IP 1 0 for NET4 0 IP Protocols ICMP UDP TCP IGMP IP routing cache hash table of 512 buckets 4Kbytes TCP Hash tables configured established 2048 bind 2048 NET4 Unix domain sockets 1 0 SMP for Linux NET4 0 mtdblock open ok RAMDISK Compressed image found at block 0 mtdblock release ok VFS Mounted root ext2 filesystem Freeing unused kernel memory 68k freed INIT version 2 76 booting etc rc d rc S bin is a directory mtdblock open ok mtdblock open ok Loading CDMA Loading Keypad VFD Fri Aug 20 00 53 54 2004 0 707128 seconds 2004 Setting system time using hwclock INIT Entering runlevel 3 Entering multiuser Attempting to configure eth0 by contacting a DHCP server At this point if you do not have a DHCP server configured on your network the unit will time out and print these messages Tempus LX CDMA DHCP Client was unable to find the DHCP Server Fix the problem and re boot or set up static IP address by running netconfig dnsdomainname Host name lookup failure none Then these messages are printed in either case 12 Tempus LX CDMA User Manual BASIC INSTALLATION Disabling IPv4 packet forwarding Starting daemons syslogd klogd inetd Starting the Network Time Protocol daemon Starting the SNMP daemon Starting the system logfile manag
34. a perfectly smooth transition at UTC midnight on the day of a leap second insertion To ensure that your Tempus LX will precisely handle any UTC leap second transitions your unit has been con figured at the factory for the user entered leap mode If you prefer to have your Tempus LX automatically get its leap second information from the CDMA transmissions then just change the leap mode to automatic You can do this by using console com mand cdmaleapconfig see Chapter 6 Control and Status Commands To view the leap second settings use command cdmaleapmode You can also monitor and change the leap second informa tion via the front panel keypad and display see Chapter 5 Front Panel Keypad and Display In the user entered leap mode the current and future leap second values must be manually set You can do this by using console command cdmaleapconfig When the unit is configured at the fac tory the current and future leap second values are set appropriately for the next possible leap second insertion date June 30th or December 31st If there is no leap second insertion scheduled then the same value is set for both the current and future leap seconds If there is a leap second insertion scheduled then a future value is set that is one more than the current value For example as of this writing July 2005 there are 13 leap seconds The next possible leap second insertion date is December 31st and there WILL be a leap second insertion on th
35. are only available if the PTP IEEE 1588 option has been installed Refer to Ap pendix Precision Time Protocol TEEE 1588 for more information ptpversionconfig Optional This command is only available if the PTP IEEE 1588 option has been installed Refer to Appendix H Precision Time Protocol IEEE 1588 for more information setcdmachannelset This command sets the CDMA channelset to be used by the CDMA Subsystem By factory default the channelset is North American Cellular unless the unit is configured for Japanese Cellular opera tion In that case the hardware configuration limits operation to only the Japanese Cellular band and this command will have no affect The command requires one argument which may be one of these four strings NAC North American Cellular SKC South Korean Cellular NAP North American PCS or IND India Cellular Set setcdmachannelset NAP Tempus LX response Channelset is North American PCS setsigfltmask This command allows the user to enable or mask the Signal Loss Fault Parameter for this command is either MASKED or ENABLED Setting this command to MASKED will prevent a signal loss fault from creating an alarm condition Some installations may need to mask this fault when operat ing the NTP server as a Stratum 2 server The factory default setting is ENABLED Set sigfltmask MASKED Tempus LX response Signal Loss Fault Mask set to MASKED sigfltmask This command displays the current setting for
36. based on its knowledge of the characteristics of the internal Temperature Compensated Crystal Oscillator TCXO Oven Controlled Crystal Oscillator OCXO or Rubidium oscillator The extrapolated TFOM is based on a conservative estimate of the performance of the oscillator and should be considered worst case for a typical benign ambient temperature environment Due to this extrapolation behavior after initial synchronization brief periods without CDMA signal reception will not induce an immediate alarm condition If the condition persists for long enough periods you should see the TFOM character change to indicate a gradually deteriorating accuracy of the timing outputs If the signal loss condition persists longer then the final unsynchronized state will eventually be reached If the Tempus LX is unable to achieve re synchronization within one hour after reaching this state the red LED will illuminate The fault status field returned in either of the cdmastat or cntpstat commands will have the appropriate bit set to indicate a loss of signal time out condition If the CDMA Subsystem reaches the unsynchronized TFOM state the NTP daemon will cease to use the timing information returned by the CDMA Subsystem in its polling event timestamps At this point the NTP daemon will report in its replies to network NTP clients that it is running at stratum 16 and the leap indicator bits will be set to the fault state NTP clients will recognize that an
37. be displayed You should notice that it now indicates the software version and date of the upgrade that you previously downloaded You can also check this at any time by issuing cntpversion which will cause the system message to be re displayed You can also check to see which root file system image the system is currently booted under by issu ing this command at the shell prompt cntprootfs Which should cause this to be printed to the console BOOT IMAGE TempusLXCDMA 1 If so and your unit seems to be operating normally you have successfully completed the upgrade If your unit does not boot up successfully and you are not able to telnet or ssh into the system after 90 seconds then there has been some kind of problem with the upgrade It is possible that the file downloaded was corrupt or that you forgot to set your FTP download file mode to binary when down loading the file either from the EndRun Technologies website or when transferring it to the Tempus LX Recovering from a Failed Upgrade To restore your Tempus LX to a bootable state using the factory root file system you must use the se rial I O port and reboot the Tempus LX by cycling the power Refer to Chapter 2 Connect the Se rial I O Port and Test the Serial I O Port for setup details When you have connected your terminal to the serial I O port apply power to the Tempus LX Pay close attention to the terminal window while the unit is rebooting After the Linux boo
38. cur rent PTP UTC Offset is known to be correct otherwise it is FALSE The PTP Clock Accuracy is transmitted when the time is accurate to within the the following lus Clock is synchronized or in holdover PTP clock lt 1 microsecond 2 5us Clock is synchronized or in holdover PTP clock lt 2 5 microseconds 10us Clock is synchronized or in holdover PTP clock lt 10 microseconds 25us Clock is synchronized or in holdover PTP clock lt 25 microseconds 100us Clock is synchronized or in holdover PTP clock lt 100 microseconds 250us Clock is synchronized or in holdover PTP clock lt 250 microseconds lms Clock is synchronized or in holdover PTP clock lt 1 millisecond 2 5ms Clock is synchronized or in holdover PTP clock lt 2 5 milliseconds 10ms Clock is synchronized or in holdover PTP clock lt 10 milliseconds Unknown Clock is unsynchronized TFOM 9 The PTP Leap 59 second indicator either TRUE or FALSE The Leap 59 is TRUE if the PTP Times cale is PTP and the last minute of the current UTC day contains 59 seconds otherwise it is FALSE The PTP Leap 61 second indicator either TRUE or FALSE The Leap 61 is TRUE if the PTP Times cale is PTP and the last minute of the current UTC day contains 61 seconds otherwise it is FALSE The PTP Time Traceable indicator either TRUE or FALSE The Time Traceable is TRUE if the Time Scale is PTP and the Clock Class is Synchronized or Holdover otherwise it is FALSE The PTP Frequency Traceable
39. either TRUE or FALSE TT is the PTP time traceable indicator either TRUE or FALSE FT is the PTP frequency traceable indicator either TRUE or FALSE The Tempus LX is configured as an IEEE 1588 Grandmaster Clock default profile Verify that the network settings have been configured and tested using netconfig Once the network has been configured the Tempus LX will begin to transmit PTP Sync messages after it is locked The PTP Sync Interval is user configured either 1 or 2 seconds is transmitted as a multicast The packet is only transmitted when the clock is fully synchronized or in holdover The delay interval is 2 seconds The PTP Announce Interval is user configured either 1 2 4 8 or 16 seconds is transmitted as a multicast The packet is only transmitted when the clock is fully synchronized or in holdover The Announce Interval must be no shorter than the Sync Interval The PTP Priority 1 is user configured in a range from 0 to 255 The PTP Priority 2 is user configured in a range from 0 to 255 Note If using a single Grandmaster then keep the default setting of 128 for Priority 1 and Priority 2 If using two redundant Grandmasters then you can configure the preferred clock by setting Priority 1 to 127 and Priority 2 to 128 The PTP Delay Mechanism is user configured either E2E or P2P E2E uses the delay request response mechanism P2P uses the peer delay mechanism The PTP Domain is user configured in a range from 0 to 255
40. enabled To get started with the web interface simply point your browser to the IP address of the Tempus LX and log in securely with HTTP For example http 192 168 1 1 A warning dialog page will be presented for the certificate Acknowledge the dialog page and the server will continue to load protected by SSL The browser should display the Lock icon indicat ing that the page is protected by SSL To maximize security you should replace the SSL Certificate See Appendix A Security HTTP for details Below is a picture of the login page TECHNOLOGIES Clock Receiver Network Faults Tempus LX CDMA Network Time Server Logout Navigation The main menu tabs across the top of each webpage allow you to navigate through the status in formation in the Tempus LX while links on the lefthand side of each webpage provide subcategory navigation For example in the page below the main menu tabs are Home Receiver Clock I O Faults Net work NTP PTP and Firmware The subcategory links on this particular page are IPv4 IPv6 and DNS IPv4 is selected 64 Tempus LX CDMA User Manual Page Descriptions HTTP INTERFACE Smarter Timing Solutions nokun TECHNOLOGIES Home Receiver Clock vo Faults Network NTP PTP Firmware Tempus LX CDMA Network Time Server IPv4 NETWORK STATUS IPv4 DHCP Disabled static IP address Address 192 168 1 135 DNS Gateway 192 1
41. engine in the Tempus LX receives transmissions from base stations also known as cell sites that are operating in compliance with the TIA EIA IS 95 standard for Code Division Multiple Access CDMA mobile telecommunications This system requires a means of synchronizing the base stations throughout the network so that neighboring cells do not interfere with each other and so that calls can be efficiently transferred between the base stations without inter ruption as the mobile user traverses the cell coverage areas This soft hand off feature means that the mobile telephone must be able to hitlessly drop one base station and pick up the next one To do this the telephone must be able to calculate the relative difference in time between the codes that modulate the signals from each of the base stations which again requires that the base stations be synchronized The system designers chose the Global Positioning System GPS which is itself a CDMA based system as the means of maintaining synchronization and they defined system time to be GPS time Each base station throughout the system contains one or more high performance GPS timing receiv ers with sophisticated algorithms that control either an extremely stable ovenized quartz crystal oscil lator or a Rubidium vapor atomic frequency standard Such elaborate means are needed to meet the very difficult operating specifications required by the 15 95 standard The base stat
42. from the Main Menu and provides system fault information When a particu lar fault condition is asserted it will be followed by a flashing indicator Otherwise the fault condition is followed by an ok indicator The fault display and various fault conditions are described below FAULTS FLASH ok FPGA ok SIG ok DAC ok POLL ok REF ok SYN ok 41 Tempus LX CDMA User Manual CHAPTER FIVE FLASH FPGA SIG DAC POLL SYN FLASH Write This fault indicates that the microprocessor was unable to verify a write to the FLASH non volatile parameter storage area This should not ever occur under normal operation This fault would cause erratic operation at the next power cycling since important parameters could be corrupt The unit should be returned to the factory for repair FPGA Configuration This bit indicates that the microprocessor was unable to configure the FPGA This would be a fatal fault and the unit should be returned to the factory for repair No Signal Time Out This bit indicates that the unit has not been able to acquire a CDMA signal for one hour while the Time Figure of Merit has been 9 the unsynchro nized condition This could be due to a variety of reasons If there are no other faults that could explain the inability to receive a signal then there could be an antenna blockage If the condition persists indefinitely the unit may need to be returned to the factory for repair DAC Control Over Ra
43. hardware address if the ethernet has been configured cntposctype Prints the installed oscillator type which is one of TCXO MS or Rubidium cntppasswd Allows the root user to change the password for the two config ured users on the Tempus LX cntpuser and root This script calls the standard Linux passwd binary and then saves the resulting etc shadow file to the non volatile FLASH disk cntprootfs Prints the current root file system image either TempusLXCD MA 0 factory default TempusLXCDMA 1 field upgrade which is running in the Tempus LX to the console cntpstat Parses the output of ntpq peers to obtain the system peer status of the NTP CDMA reference clock It also retrieves the current reference clock polling status data and prints it to the console cntptimemode Prints the time mode settings in effect for any optional AM Code Output time code optional Serial Time Output or front panel display cntptimemodeconfig Interactive shell script that guides the user in configuring the time mode settings for any optional AM Code Output time code optional Serial Time Output or front panel display Allows setting to the local GPS or UTC timescale If Lo cal Manual is selected then the allows configuration of the local offset and Daylight Savings Time DST start stop date parameters 46 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS to the console Prints the status of the optional PTP IE
44. hit enter to begin the upload Waiting for download using XMODEM 128 or XMODEM 1K both with CRC Control X will abort download ccc Starting file upload should take about 90 seconds sbin upgradecdma line 26 27618 Terminated cat dev arm user You should see the CDMA subsystem startup message now If not you may need to check your binary file and re perform the procedure Tempus Bootloader 6010 0050 000 v 1 00 May 28 2004 17 31 05 FW 6010 0020 000 v 1 00 Aug 18 2004 10 47 41 FPGA 6020 0005 000 v 0202 58 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS upgradekernel This script allows the user to change the Linux kernel firmware It requires one argument the path to the file to be uploaded to the Tempus LX Changing the Linux kernel firmware will enable IPv6 operation and should only be done if you have a requirement for IPv6 See Chapter 7 IPv6 Infor mation and Performing the Linux Kernel Upgrade in Appendix B Upgrading the Firmware for more information Set upgradekernel tmp newkernelimage Tempus LX response Interactive shell script is started RS 232 Serial 1 0 Port Signal Definitions The RS 232 DB9M connector on the rear panel of the Tempus LX is wired as shown below In order to connect the Tempus LX to another computer a null modem adapter must be used The serial cable provided with the shipment is wired as a null modem adapter and can be used to connect the Tempus LX to your com
45. http www apache org gt Portions of this software are based upon public domain software originally written at the National Center for Supercomputing Applications University of Illinois Urbana Champaign 107 Tempus LX CDMA User Manual APPENDIX G PTP Software License The PTP IEEE 1588 option as implemented in the Tempus LX is coverd by patents and copyrights See the IEEE Standards Association at http standards ieee org db patents pat1390 html for patents that pertain the the Std No 1588 Information about the PTP Project led by Kendall Correll can be found at ptpd sourceforge net The distribution and usage of the PTP software is allowed as long as the following copyright notice is included in our documentation The following copyright notice applies to all files which compose the PTPd This notice applies as if the text was explicitly included each file Copyright c 2005 2008 Kendall Correll Aidan Williams Permission to use copy modify and or distribute this software for any purpose with or without fee is hereby granted provided that the above copyright notice and this permission notice appear in all copies THE SOFTWARE IS PROVIDED AS IS AND THE AUTHOR DISCLAIMS ALL WARRAN TIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL DIRECT INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOE
46. indicator either TRUE or FALSE The Frequency Traceable is TRUE if the Time Traceable is TRUE otherwise it is FALSE 115 Tempus LX CDMA User Manual PTPv1 Configuration and Status APPENDIX H The default PTPv1 configuration settings in the Tempus LX are shown below If you need to modify these settings then you will need to reconfigure the PTPv1 subsystem You may perform the configu ration from either a telnet or ssh session or the local RS 232 console Default PTPv1 settings are PTP Preferred TRUE PTP Sync Interval Two seconds PTP Subdomain Name DFLT PTP Time Mode UTC PTP TTL 1 PTPv1 Configuration and Status Using the Keypad Display If your unit has the optional PTP capability then there will be an item in the list of Main Menu selec tions called Press the RIGHT LEFT arrow key until this is highlighted and press ENTER to select it Then press the RIGHT LEFT arrow keys to highlight Setup or Status and press ENTER The Status selection will let you see the current status of the PTP subsystem For the Setup selection press EDIT to reconfigure PTP The sequence of edit displays will guide you through the setup process Press the HELP key at any time to view the context sensitive help information When you are finished the unit will reset PTPv1 Configuration Using the Network or Serial Port The ptpconfig command starts an interactive shell script that will allow you to configure the
47. key number 1 65534 or 0 to quit Enter trusted key number 1 65534 or 0 to quit IN Enter a trusted key number 1 65534 or 0 to quit lo NTP Broadcast Multicast Configuration Would you like to enable broadcast multicast server operation yles nlo y Set the network broadcast multicast address for the Tempus LX CDMA to use For broadcast mode this address is the all 1 s address on the sub net Example 111 112 113 255 For multicast operation it is this specific address 224 0 1 1 Enter IP address for NTP broadcast multicast operation aaa bbb ccc ddd 224 0 1 1 You have selected multicast operation Enter the number of hops that are needed for the multicast packets on your network positive integer 1 It is highly recommended that authentication be used if you are using NTP in broadcast multicast mode Otherwise clients may easily be spoofed by a fake NTP server You can specify an MD5 key number that the Tempus LX CDMA will use in its broadcast multicast packets The clients on your network must be configured to use the same key Would you like to specify an MD5 key number to use with broadcast mode yles nlo y Enter the MD5 key number to use 1 65534 2 20 Tempus LX CDMA User Manual BASIC INSTALLATION kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk The Tempus LX CDMA Ne
48. monitoring activities via telnet and ftp The Tempus LX provides both client and server operation using telnet For security reasons as well as to reduce the memory footprint in the Tempus LX only client operation is supported using ftp You may also monitor the Tempus LX via the HTTP interface see Chapter 8 HTTP Interface Security conscious users will want to use ssh the secure shell replacement for telnet as the login means The companion utility sep provides a secure replacement for ftp as a means of transferring files to and from the Tempus LX Both of these protocols are supported in the Tempus LX via the OpenSSH implementations for Linux Refer to Appendix A Security for more information about the secure shell protocol Using Telnet When establishing a telnet connection with your Tempus LX logging in directly as root is not per mitted This is a security measure that makes it slightly more difficult to gain access by simply trying passwords since it is also necessary to know the name of a user When you initiate a telnet session with the Tempus LX this banner will be displayed kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Welcome to Tempus LX CDMA telnet console on cntp your domain kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk cntp login Here you may log in as cntpuser with password Praecis When logged in as cntpuser you may check
49. of specification environmental conditions this would indicate that the oscillator frequency has drifted near to the end of life region This should normally only occur after about ten years of operation The unit will continue to function until the oscillator frequency finally reaches one of the actual DAC endpoints The unit should be returned to the factory for oscillator replacement at the customer s convenience No Signal Time Out This bit indicates that the unit has not been able to acquire a CDMA signal for one hour while the Time Figure of Merit has been 9 the unsynchronized condition This 50 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS could be due to a variety of reasons If there are no other faults that could explain the inability to receive a signal then there could be an or antenna failure or blockage If the condition persists indefi nitely and a problem with the antenna is not evident the unit may need to be returned to the factory for repair FPGA Config Fault This bit indicates that the microprocessor was unable to configure the FPGA This would be a fatal fault and the unit should be returned to the factory for repair FLASH Write Fault This bit indicates that the microprocessor was unable to verify a write to the FLASH non volatile parameter storage area This should not ever occur under normal opera tion This fault would cause erratic operation at the next power cycling since important parameters coul
50. or disabled It allows either broadcast or multicast configuration with selection of the broadcast address multicast time to live TTL and trusted key for MDS authentication The broadcast multicast mode may also be disabled Broadcast Mode In this mode the broadcast address is displayed If MDS authentication is selected the trusted key number will also be displayed Multicast Mode The multicast address must be 224 0 1 1 The TTL value is the number of router hops that multicast traffic is permitted to pass through before expiring on the network Multicast may also use MDS authentication If selected the trusted key number will also be displayed Press EDIT to change the broadcast multicast settings Each of the edit windows has help infor mation available to guide you through the setup process Note that changing the NTP multicast broadcast settings does not take effect until the system reboots The new parameters are loaded to the ntp conf file in the boot etc directory Only the broadcast line in the ntp conf file is modified The final display in the edit sequence requires confirmation of your intent to change the instrument set tings Once confirmation takes place the instrument will reboot PTP Menu Optional The PTP Menu is available only if the PTP IEEE 1588 option has been enabled in your Tempus LX For further information see Appendix H Precision Time Protocol IEEE 1588 Firmware The Firmware display is selected from the
51. part regardless of who wrote it Thus it is not the intent of this section to claim rights or contest your rights to work written entirely by you rather the intent is to exercise the right to control the distribution of derivative or collective works based on the Program In addition mere aggregation of another work not based on the Program with the Program or with a work based on the Program on a volume of a storage or distribution medium does not bring the other work under the scope of this License 3 You may copy and distribute the Program or a work based on it under Section 2 in object code or executable form under the terms of Sections and 2 above provided that you also do one of the following a Accompany it with the complete corresponding machine readable source code which must be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange or b Accompany it with a written offer valid for at least three years to give any third party for a charge no more than your cost of physically performing source distribution a complete machine readable copy of the corresponding source code to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange or c Accompany it with the information you received as to the offer to distribute corresponding source code This alternative is allowed only for noncommercial distribution and onl
52. precise and deterministic behavior at the DST changeover times you should configure your unit for local manual operation and set up the local offset and the DST start and stop times using cntptimemodeconfig Query cntptimemode Tempus LX response Time Mode LOCAL MANUAL Local Time Offset from UTC 16 half hours DST Start Month Apr Sunday 1st Hour 02 DST Stop Month Oct Sunday Last Hour 02 aitptimemodeconfig This command starts an interactive shell script that will allow you to configure the time mode of the front panel display and the optional time code or Serial Time outputs Selections are UTC GPS Lo 53 Tempus LX CDMA User Manual CHAPTER SIX cal Auto and Local Manual These settings have no effect on the operation of the NTP daemon or the underlying Linux operating system time These ALWAYS operate in UTC By default the unit is configured to operate in UTC mode If you need to modify this operation you must run this script as root Settings made using this command are non volatile Set cntptimemodeconfig Tempus LX response Interactive shell script is started cntpversion This command displays the firmware version and build date of the Linux NTP Subsystem software root file system Query cntpversion Tempus LX response Tempus LX CDMA 6010 0042 000 v 1 00 Fri Aug 20 22 38 21 UTC 2004 cptpstat Optional This command is only available if the PTP IEEE 1588 option has been installed Refer to Appe
53. terminal software Test the Serial Port You must configure your terminal to use the serial I O port you used in Connect the RS 232 Serial 1 0 Port You must also configure your terminal to use the correct baud rate number of data bits parity type and number of stop bits Be sure to turn off any hardware or software handshaking The settings for the Tempus LX are 19200 is the Baud Rate 8 is the number of Data Bits None is the Parity 1 is the number of Stop Bits 10 Tempus LX CDMA User Manual BASIC INSTALLATION After configuring these parameters in your terminal apply power to the Tempus LX After about 20 seconds your terminal should display a sequence of boot messages similar to these kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk 6010 0040 000 Linux Bootloader v1 00 08 17 2004 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Default root file system FACTORY To override and boot the UPGRADE partition type UPGRADE within 5 seconds These lines are the Linux bootloader boot prompt This prompt will timeout after 5 seconds and the Linux kernel and the factory default Tempus LX root file system will be loaded When the Linux ker nel is loaded from FLASH memory into RAM a long list of kernel generated informational messages is displayed as the kernel begins execution and the various device drivers are initialized Booting Linux with FACTORY root file system 6010 0041 000 Linux Kernel v2 4
54. the example in chapter 2 make sure that key 2 is included in the trustedkey line and add this line to the end of the ntp conf file broadcastclient If you are not using MDS authentication you would add these lines disable auth broadcastclient You may remove the line added previously in Basic NTP Client Setup server 192 168 1 245 or the authenticated version added 5 Authenticated NTP Client Setup server 192 168 1 245 key 1 26 Tempus LX CDMA User Manual SETTING UP NTP CLIENTS ON UNIX LIKE PLATFORMS Configure NTP Client for Multicast You must edit the ntp conf file which ntpd the NTP daemon looks for by default in the the etc directory And add these lines for multicast multicastclient 224 0 1 1 or for IPv6 multicastclient ff05 101 If you are not using MDS authentication you would add these lines disable auth multicastclient 224 0 1 1 or for IPv6 disable auth multicastclient 05 101 You may remove the line added previously in Basic NTP Client Setup server 192 168 1 245 or the authenticated version added in 5 Authenticated NTP Client Setup server 192 168 1 245 key 1 Test Broadcast Multicast Restart ntpd to have it begin using the Tempus LX as a broadcast or multicast server Use the NTP utility ntpq to check that ntpd is able to communicate with the Tempus LX After issuing the com mand ntpq you will see the command prompt ntpq gt Use the command peers to
55. the standard Tempus LX console prompt After about one minute you should query the CDMA firmware version using the command cdmaversion The upgraded version information should be displayed Problems with the CDMA Subsystem Upgrade Should you have difficulties with the upgrade due to a corrupt file power failure during upload or other accident do not be alarmed Even though you may have lost the existing application program the CDMA Subsystem bootloader program will remain intact On boot up it will check to see if a valid application program is in the FLASH memory If there is not it will immediately go into the waiting for download mode You may verify this by issuing this command cat lt dev arm_user You should now see the C character being received every three seconds This is the character that the CDMA Subsystem bootloader sends to indicate to the XMODEM utility that it is wating for a download You may now retry the upload procedure assuming that you have corrected any original problem with the binary file First kill the cat command by typing CTRL C You should see a com mand prompt Now issue this command to re transfer the binary file upgradecdma tmp 6010 0020 000_3 01 bin Recover Command Sometimes a user will attempt to download the wrong file to the CDMA Subsystem When this hap pens the recovery method above will not work After issuing the command above you will not see a series of C cha
56. the unit you should change the passwords using the centppasswd command issued from the shell prompt If you do not see characters displayed by your terminal program within 30 seconds after the unit is powered up you must troubleshoot your setup An incorrectly wired cable or incorrect port setting in your terminal emulation program are the most common problems Refer to Chapter 6 RS 232 Serial I O Port Signal Definitions for the signal connections for the Tempus LX You must use a null modem cable or adapter if you are connecting the Tempus LX to another computer or other equipment configured as Data Terminal Equipment DTE The supplied cable is a null modem cable Once you have successfully established communications with the Tempus LX you may procede to configuring the network parameters Then you can communicate with the Tempus LX over the net work using telnet or ssh and synchronize your network computers to UTC using NTP 13 Tempus LX CDMA User Manual CHAPTER TWO Using netconfig to Set Up Your IP The script file netcon ig will configure the TCP IP network parameters for your Tempus LX If you want to have the HTTP Interface enabled in your Tempus LX then be sure to configure the name server IP address during the netconfig process The HTTP Interface will not start if this is config ured incorrectly Only one name server is required two gives some redundancy The following is a sample transcript which illustrates the use of ne
57. then as a consequence you may not distribute the Program at all For example if a patent license would not permit royalty free redistribution of the Program by all those who receive copies directly or indirectly through you then the only way you could satisfy both it and this License would be to refrain entirely from distribution of the Program If any portion of this section is held invalid or unenforceable under any particular circumstance the balance of the section is intended to apply and the section as a whole is intended to apply in other circumstances It is not the purpose of this section to induce you to infringe any patents or other property right claims or to contest validity of any such claims this section has the sole purpose of protecting the integrity of the free software distribution system which is implemented by public license practices Many peo ple have made generous contributions to the wide range of software distributed through that system in reliance on consistent application of that system it is up to the author donor to decide if he or she is willing to distribute software through any other system and a licensee cannot impose that choice This section is intended to make thoroughly clear what is believed to be a consequence of the rest of this License 104 Tempus LX CDMA User Manual THIRD PARTY SOFTWARE 8 If the distribution and or use of the Program is restricted in certain countries either by patents or by copy
58. to store persistent data that may be dynamic in nature This may include the values of the MIB II variables sysLocation sysContact and sysName as well as any configured SNMPv3 user crypto keys In order to use SNMPv3 you must configure user keys in this file for each SNMPv3 user that you have set up in etc snmpd conf To do this you must add lines to boot net snmp snmpd conf like these for each user createUser root MD5 endrun 1 DES endrun 1 createUser ntpuser SHA Tempus 0 The first line will cause the agent snmpd to create a user root who may be authenticated via Mes sage Digest Algorithm 5 MD5 with password endrun 1 and may use the Data Encryption Standard DES to encrypt the session data with passphrase endrun 1 The second line will cause a user nt puser to be created who may be authenticated using the Secure Hash Algorithm SHA with password Tempus 0 Passwords and passphrases must have a minimum of 8 characters or you will not be able to be authenticated 88 Tempus LX CDMA User Manual Disabling The SNMP Protocol SIMPLE NETWORK MANAGEMENT PROTOCOL SNMP IMPORTANT You must kill the snmpa process prior to editing boot net snmp snmpd conf Otherwise the secret key creation may not complete properly Issue the command ps e to have the operating system dis play the list of running processes Look for the PID of the snmpa process and issue the kill command to stop it For example if the PID listed for the snmpa proces
59. upstream source or none Offset The NTP offset indicates the accuracy of the NTP system clock relative to the CDMA subsystem clock Initially if the offset between the NTP system clock and the CDMA subsystem clock is large the display will indicate not available After the CDMA subsystem locks the NTP clock will synchronize to the CDMA subsystem Once synchronization is complete the typical offsets will range over approximately 1 microsecond LI Bits Shows the status of the leap indicator bits as sent by the Tempus LX time server to the clients in the NTP reply packets Descriptions of the leap indicator are 00 None No fault and no pending leap second 01 Insert Pending No fault and a leap second insertion is pending 10 Delete Pending No fault and a leap second deletion is pending 11 Fault Unsynchronized fault condition exists NTP Setup This display provides access to the NTP broadcast and multicast settings and provides the user with a convenient means of checking the current configuration and allows limited setup You may also perform a more complete broadcast multicast configuration via a telnet or ssh session or the local RS 232 console using ntpconfig utility This utility provides a more secure means of setup and so is more complete It will allow you to select keys and identify trusted keys 43 Tempus LX CDMA User Manval CHAPTER FIVE This display will indicate that the mode is broadcast multicast
60. you are installing for 6010 0041 100 bzimage Issue these commands from the console of your Tempus LX ftp remote_host perform ftp login on remote host bin set transfer mode to binary get 6010 0041 100 bzimage tmp transfer the file quit close the ftp session after transfer If you are using ssh you may open a command window on the remote computer and securely trans fer the root file system image using scp from the remote computer to your Tempus LX A command like this should be used scp p 6010 0041 100 bzimage root cntp your domain tmp The kernel upgrade utility is executed with a single argument passed on the command line the path to the previously uploaded kernel image file For example upgradekernel tmp 6010 0041 100 bzimage The kernel upgrade utility verifies the integrity of the file reads the kernel version information pres ents it to you and asks you to verify before replacing the old kernel image If you verify it will then erase the old image and write the new one in its place The erase and write operation takes about 10 seconds A power failure during the kernel erase and write operation would render your unit unbootable It is highly advisable to plug your unit into a UPS while performing the kernel upgrade 81 Tempus LX CDMA User Manual APPENDIX B Performing the CDMA Subsystem Upgrade To perform this upgrade log in as the root user to the Tempus LX using either the local console serial I O port
61. you must have suc cessfully completed the Basic Installation procedures in Chapter 2 This manual is not a How To on installing and using NTP basic approaches to NTP configuration for operation with the Tempus LX will be described here Installation must be performed by a user with administrative priviledges on the system If you have never used NTP then you should spend some time reading the on line docu ments at http www ntp org If you have a news server many problems may be solved by the helpful people who participate in the Internet news group devoted to NTP at comp protocols time ntp Three methods of using the Tempus LX with NTP clients on Window NT 4 0 platforms will be de scribed Basic This is the simplest and will operate without MDS authentication NTP beginners should always perform this setup first MDS This method is trickier only because MDS keys must be set up and distributed accurately to the NTP clients in a secure way The Tempus LX is factory configured to authenticate its replies to NTP MDS clients using its default set of keys Broadcast Multicast This method simplifies configuration of the clients on large networks since specific server addresses need not be configured in each client s winnt system32 drivers etc ntp conf file It can be configured either with or without MDS authentication However it is highly recom mended that authentication be configured when using broadcast multicast mode due to th
62. 1 00 FPGA 0202 entphwaddr This command displays the ethernet hardware address if the IP network is properly configured Oth erwise it returns nothing Query cntphwaddr Tempus LX response 00 0E FE 00 00 33 51 Tempus LX CDMA User Manual CHAPTER SIX aitposctype This command displays the installed oscillator type It is one of TCXO MS OCXO or Rubidium The standard oscillator is the TCXO Query cntposctype Tempus LX response Installed Oscillator is TCXO aitppasswd This command allows the root user to change the passwords of the two configured users on the sys tem root and cntpuser Arguments passed to cntppasswd on the command line are passed verba tim to the real passwd binary program When passwd returns the resulting modified etc shadow file is copied to the non volatile boot etc directory To change root password Set cntppasswd Tempus LX response The passwd interactive utility starts To change cntpuser password Set cntppasswd cntpuser Tempus LX response The passwd interactive utility starts atprootfs This command displays the currently booted root file system image It can be either TempusLXCD MA 0 factory image or TempusLXCDMA 1 field upgrade image Refer to Appendix B Up grading the Firmware for detailed instructions on performing the upgrade procedure Query cntprootfs Tempus LX response BOOT_IMAGE TempusLXCDMA_1 aitpstat This command allows the user to query the status of the NTP sub
63. 10 100 1K 10K 100K 1M 5M 10M PPS 1PPM IPP2S Duty Cycle 50 except 1PPS which mimics the 1PPS Output defined above Accuracy lt 1071 to UTC for 24 hour averaging times when locked Stability lt 10 for x lt 10 seconds o 1 lt 10 t for gt 10 seconds Synthesized Rate option 1PPS to 10 MPPS in 1PPS steps with optional DDS upgrade Connector Rear panel BNC jack labeled PROG TTL Note To change the output selection refer to the Option I O Menu in Chapter 5 Front Panel Key pad and Display or the cpuopts and cpuoptsconfig commands in Chapter 6 Control and Status Commands 123 Tempus LX CDMA User Manual APPENDIX Alarm Output MMBT2222A open collector grounded emitter High impedance in alarm state Voltage 40 VDC maximum Saturation Current 100 mA maximum Connector Rear panel BNC jack or terminal strip labeled ALARM Serial Time Output Output only port at RS 232 or RS 422 levels Baud Rate User Selectable to 4800 9600 19200 or 57600 Parity User Selectable to Odd Even or None ASCII Formats User Selectable to Sysplex EndRun EndRunX Truetime NENA or NMEA Connector RS 232 Rear panel DB 9M connector labeled SERIAL TIME Pinout RS 232 Pin 3 is Transmit Data Pin 5 is GND Connector RS 422 Rear panel DB 9M connector labeled SERIAL TIME RS 422 Pinout RS 422 Pin 3 is signal Pin 6 15 signal Pin 5 is GND Note See Appendix F Serial T
64. 232 serial I O port or from a telnet or ssh session This script modifies the etc inetd conf file which is non volatilely stored in the FLASH disk boot etc directory You must reboot the Tempus LX after running this script for the changes to take effect Set inetdconfig Tempus LX response Interactive shell script is started 55 Tempus LX CDMA User Manual CHAPTER SIX kplockstat This command prints the status either locked or unlocked of the front panel keypad EDIT key When the EDIT key is locked it will prevent unauthorized tampering with the unit All other keys are still enabled so you may continue to read the status and current settings of the Tempus LX Refer to the lockoutkp and unlockkp commands Set kplockstat Tempus LX response UNLOCKED lockoutkp This command locks out access to the front panel keypad EDIT key When the EDIT key is locked it will prevent unauthorized tampering with the unit All other keys are still enabled so you may continue to read the status and current settings of the Tempus LX Refer to the kplockstat and unlockkp commands Set lockoutkp Tempus LX response Front panel keypad EDIT key disabled netconfig This command starts an interactive shell script that will allow the user to configure the IP network subsystem of the Tempus LX By default the unit is configured to configure itself using the Dynamic Host Configuration Protocol DHCP If you need to set up static IP configuration you m
65. 26 1 0 Wed Aug 18 17 28 45 UTC 2004 BIOS provided physical RAM map BIOS 88 0000000000000000 000000000009 000 usable BIOS 88 0000000000100000 0000000002000000 usable 32MB LOWMEM available On node 0 totalpages 8192 zone 0 4096 pages zone 1 4096 pages zone 2 0 pages DMI not present Kernel command line config 11000001 initjffs 0 console ttyS0 19200 root dev mtdblock4 load_ramdisk 1 rw Initializing CPU 0 Calibrating delay loop 66 96 BogoMIPS Memory 30784k 32768k available 812k kernel code 1596k reserved 162k data 68k init 0k highmem Checking if this processor honours the WP bit even in supervisor mode Ok Dentry cache hash table entries 4096 order 3 32768 bytes Inode cache hash table entries 2048 order 2 16384 bytes Mount cache hash table entries 512 order 0 4096 bytes Buffer cache hash table entries 1024 order 0 4096 bytes Page cache hash table entries 8192 order 3 32768 bytes CPU AMD 486 DX 4 WB stepping 04 Checking hlt instruction OK POSIX conformance testing by UNIFIX PCI Using configuration type 1 PCI Probing PCI hardware PCI Probing PCI hardware bus 00 Linux NET4 0 for Linux 2 4 Based upon Swansea University Computer Society NET3 039 Initializing RT netlink socket Starting kswapd JFFS2 version 2 1 C 2001 Red Hat Inc designed by Axis Communications AB Serial driver version 5 05c 2001 07 08 with MANY PORTS SHARE SERIAL P
66. 3878 or 707 573 8633 sales endruntechnologies com Support 1 877 749 3878 or 707 573 8633 support endruntechnologies com Tempus LX CDMA User Manual Table of Contents Preface PR M d PE i About EndRun Technologies i Trademark Acknowledgements i About This ii Warran cee ii Extended Ree visas A SEO af ee ii Limitation of Warranty ii Warranty Repair crosses is PGR Ae emda a ERE i ead awed iii Repair After Warranty Expiration iii Limitation of Liability iii EndRun Contact Information iv Chapter One Introduction 1 CDMA Timing How li Works 1 Where 2222 Re 2 Main qnoa ecu dne 2 Performance Reliability and Economy 2 dI weve EE 2 Easy Installation ne ae m
67. 44 000 gz FTP Server Name lendruntechnologies com FTP Login Name anonymous FTP Login Password YourPassword SIMT 2 If your Tempus LX does not have access to the internet you must first download the appropriate files from the endruntechnologies com website to the computer that you will be using later to access the Tempus LX via its HTTP interface Use the link shown above to get the files After saving the files use the Tempus LX HTTP interface to select the previously saved files for upload to the Tempus LX One for the Linux Subsystem and the other for the CDMA Subsystem Then follow the remain ing prompts from the HTTP interface to complete the upgrades You will need to authenticate the root user name and password Upgrade from a local file that was previously downloaded from endruntechnologies com em SUBMIT Please wait after pressing Submit This may take about 60 seconds 78 Tempus LX CDMA User Manual Upgrade Via The Network Serial Port UPGRADING THE FIRMWARE In order to upgrade via the network or serial ports you will need to first download the appropri ate FLASH binary image file from the EndRun website After you have done this you are ready to upgrade your Tempus LX The firmware consists of two FLASH binary image files One of these is the firmware for the Linux NTP Subsystem This firmware executes on the IBM compatible CPU and contains the embedded Linux operating system and NTP specific applic
68. 68 1 1 Netmask 255 255 255 0 The top hand tabs and left side links are logically arranged for easy navigation The following table defines this relationship Clock o Ipv4 Network Status IPv4 IPv6 DNS PTP IEEE 1588 Status Option Firmware Firmware Information Firmware Status Linux Subsystem Upgrade CDMA Subsystem Upgrade Reboot Home Page This page contains general status information Data fields are TP NTP Status SR UTC Time Shows the current hours minutes and seconds in UTC Date Shows the current UTC date Receiver Shows whether the CDMA receiver is locked or not 65 Tempus LX CDMA User Manual CHAPTER EIGHT TFOM Shows the current TFOM value See Appendix E Time Figure of Merit for more information System Status Shows if any system fault is present If a system fault exists go to the Faults Page to see which fault it is Receiver Page This page contains information related to the CDMA Receiver Data fields are State Shows whether the CDMA receiver is locked or not TFOM Shows the current TFOM value See Appendix E Time Figure of Merit for more information AGC This is the automatic gain control AGC DAC byte 0 to 255 with larger numbers implying higher RF gain With good signal conditions this value is typically 150 to 220 SNR The signal to noise SNR ratio is an indicator of the CDMA signal quality This number must typi
69. 86 Quick Start Configuration SNMPvI 2C 86 Tempus LX CDMA User Manual Change Default Community Strings Passwords 87 Configuring SNMPv1 Trap Generation 87 Configuring SNMPv2c Notifications and Informs 87 Configuration of SNMPv3 88 Disabling The SNMP 89 Appendix D Leap Seconds 91 Background Information 92 Appendix E Time Figure of Merit 93 Appendix F Serial Time Output 95 Sysplex Format ER RS maul 95 Tustime Format A 96 End RUM Format 5555 96 EndRunX Extended Format 97 NENA Format En meme aman ae 98 NMEA Format 99 Appendix G Third Party Software 101 GNU General Public License 101 NTP Software License 106 Apache Software License
70. CI enabled ttyS00 at 0x03f8 irq 4 is a 16550A ttyS01 at 0 02 8 irq 3 is a 16550A ttyS02 at 0x03e8 irq 0 is a ST16654 ttyS03 at 0x02e8 irq 3 is a ST16654 5 520 wdt CBAR 0x800df000 sc520_wdt MMCR Aliasing enabled sc520_wdt WDT driver for SC520 initialised RAMDISK driver initialized 16 RAM disks of 16384K size 1024 blocksize pcnet32 c v1 28 02 20 2004 tsbogend alpha franken de PCI Enabling device 00 0d 0 0000 0003 11 Tempus LX CDMA User Manual CHAPTER TWO pcnet32 PCnet FAST III 79C973 at 0x1000 00 Oe fe 00 00 33 tx_start_pt 0x0c00 220 bytes BCR18 9a61 BurstWrEn BurstRdEn NoUFlow SRAMSIZE 0x1700 SRAM BND 0x0800 assigned IRQ 12 eth0 registered as PCnet FAST III 79C973 pcnet32 1 cards found Tempus SC520 flash device 1000000 at 2000000 Amd Fujitsu Extended Query Table v1 3 at 0x0040 number of CFI chips 1 Creating 7 MTD partitions on Tempus SC520 Flash Bank 0x00000000 0x000e0000 Tempus kernel mtd Giving out device 0 to Tempus kernel 0x000e0000 0x00100000 Tempus Lo BootLdr mtd Giving out device 1 to Tempus Lo BootLdr 0x00100000 0x00200000 Tempus boot mtd Giving out device 2 to Tempus boot 0x00200000 0x00300000 Tempus logs mtd Giving out device 3 to Tempus logs 0x00300000 0x00900000 Tempus FACTORY rootfs mtd Giving out device 4 to Tempus FACTORY rootfs 0x00900000 0x00fe0000 Tempus UPGRADE rootfs mtd Giving out device 5 to
71. EE 1588 subsystem optional Returns the current settings for any installed user selectable CPU Options These are IPPS AM Code or Prog TTL for the CPU Options listed above cpusertimeconfig Interactive script that allows the user to modify the settings for pre l the optional Serial Time output eraserootfs 1 Command to erase the UPGRADE root file system FLASH partition This must be executed prior to loading the new file system image during the Linux NTP upgrade process Prints help for Tempus LX commands not Linux inetdconfig Interactive shell script that allows the user to configure the list of protocol servers which are started by the inetd server daemon running in the Tempus LX kplockstat Prints the front panel keypad lockout status lockoutkp Locks out access to the front panel keypad EDIT key netconfig Interactive shell script that allows the user to configure the IP network subsystem of the Tempus LX ntpconfig Interactive shell script that guides the user in configuring the Tempus LX NTP subsystem Allows configuration of MD5 authentication and broadcast multicast mode All parameters are retained in non volatile FLASH disk storage ptpconfig Interactive shell script that guides the user in configuring pa ptp2config rameters for the optional PTP IEEE 1588 protocol optional ptpversionconfig Interactive shell script that guides the user in selecting either optional PTP IEEE 1588 version 1 or version 2 setcdma
72. FC 2275 This RFC defines mechanisms for limiting the access of multiple users having various security levels no authentication authentication or authentication plus privacy to specific views of the Structure of Management Information SMT object tree In addition to providing the SNMP variables contained in MIB II as described in RFC 1213 EndRun Technologies has implemented an enterprise MIB using the syntax of the SMI version 2 SMIv2 as described in RFC 2578 85 Tempus LX CDMA User Manual Invocation of the SNMP daemon Quick Start Configuration SNMPv1 vXc APPENDIX C TEMPUSLXUNISON MIB Which is located on your Tempus LX in this ASCII file usr local share snmp mibs TEMPUSLXUNISON MIB txt In addition to a complete set of NTP and CDMA status objects the MIB defines four SMIv2 notifica tion objects e NTP Leap Indicator Bits status change e NTP Stratum change e CDMA Fault Status change e CDMA Time Figure of Merit change The SNMP daemon snmpd is started from the etc rc d rc local system start up script with this line snmpd m SMIBNAME Ls d c etc snmpd conf By default it will listen on port 161 for SNMP queries from the network management system If you would like to have it listen on another port you could edit the file by adding p port to the end of this line where port is the number of the port you would like for the agent to listen on If you would like to disable starting of the snmpd daemon
73. PS to 10MPPS or a digital time code This display will allow you to choose from among the various selec tions Factory default is normally 10MPPS See details Appendix I Specifications for the Program mable TTL Output Synthesizer DDS Setup The optional Synthesizer display allows you to select the rate for the Direct Digital Synthesizer DDS Output See details in Appendix I Specifications for the Optional Programmable TTL Out put Synthesized Rate Serial Time Output Setup The optional Serial Time Output display allows you to set up the parameters for the once per second serial time output Format baud rate and parity are all user selectable See details in Appendix F Serial Time Output Display Setup This display is selected from the Main Menu and contains parameters related to the functioning of the front panel vacuum fluorescent display There are two parameters an intensity setting and a screen saver setting The intensity setting allows you to set the brightness level of the vacuum fluorescent display Display intensity ranges from 12 to 100 The screensaver capability allows you to in crease the usable life of the display beyond the rated 100 000 hours When the screensaver capability is enabled the intensity will be reduced to half of its normal operating intensity when the unit has not detected a keypress for one hour Press EDIT to modify the intensity and screensaver settings Faults This display is selected
74. PTPv2 An excellent book which describes the PTP Master and Slave operation 1s Measurement Control and Communication using IEEE 1588 John C Eidson Springer November 2006 More information on IEEE 1588 PTP can be found at the NIST National Institute of Standards and Technology IEEE 1588 website http 1eee1588 nist gov 109 Tempus LX CDMA User Manval Version PTPv2 or PTPv1 APPENDIX H In the Tempus LX you may use the PTPv1 protocol or the PTPv2 protocol PTPv2 is the default In order to change the selection from PTPv2 to PTPv1 you can use either the keypad display or the serial network port Changing PTP Version Using the Keypad Display If your unit has the optional PTP capability then there will be an item in the list of Main Menu selec tions called PTP Press the RIGHT LEFT arrow key until this is highlighted and press ENTER to select it Then press the RIGHT LEFT arrow keys to highlight Version and press ENTER Press EDIT to change the PTP version from version 2 to version 1 and vice versa Press the HELP key at any time to view the context sensitive help information When you are finished the unit will reset Changing PTP Version Using the Network or Serial Port The ptpversionconfig command starts an interactive shell script that will allow you to change the PTP version The following is a transcript of the question and answer configuration utility provided by ptpversionconfig Tempus LX CDMA root endrun
75. RUE FALSE TRUE PTP sync_interval Configuration Set the PTP sync_interval in seconds 1 2 8 16 64 2 PTP subdomain_name Configuration Set the PTP subdomain name DFLT ALT1 ALT2 ALT3 DFLT PTP time mode configuration Set the PTP time mode UTC or PTP PTP PTP ttl configuration Set the PTP ttl value 1 255 1 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk The Tempus LX Precision Time Protocol IEEE 1588 configuration has been updated Please re boot now for the changes to take effect kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Now reboot the system by issuing this command at the shell prompt shutdown r now PTPv1 Status Using the Network or Serial Port The cptpstat command allows the user to query the status of the PTPv1 subsystem The ptpd dae mon running on the system updates the var log ptp monitor every five seconds under normal opera tion This logfile is parsed and formated to provide the status string having these fields PTPMODE CKID Stratum SSS PPPPP SDOM II LL TMD V TTL Where PTPMODE is the PTP port state either Master or Passive 117 Tempus LX CDMA User Manual PTPv1 Operation APPENDIX H CKID is the sync identifier either ATOM or GPS SSS is the PTP stratum either 3 or 255 where 3 implies an error of gt 100 nS and 255 is the unsynchronized state PPPPP is the PTP preferred master setting either True or False
76. Tempus LX CDMA User Manual APPENDIX A HTTP The HTTP server in the Tempus LX is built from the standard Apache 1 3 33 distribution from http httpd apache org It uses HTTPS HTTP over SSL with mod ssl the Apache interface to OpenSSL For more infor mation about this protocol refer to http www modssl org HTTP and SSL use two files for the default configuration located in etc apache These are httpd conf and ss conf Advanced users who need to modify the default configuration will need to edit these two files and copy them to the boot etc apache directory See Using Edit above For SSL it is recommended that new certificates are generated and installed on the Apache web server with mod ssl The current certificates included are located in etc apache ssl ctr etc apache ssl csr and etc apache ssl key New certificates CSRs and private keys will need to be saved in boot etc apache ssl crt boot etc apache ssl csr and boot etc apache ssl key directories By default the Apache server configuration file httpd conf for httpd is factory configured It contains the configuration directives that give the server its instructions Although not required the directives may be changed by editing etc apache httpd conf and then copying it to boot etc apache Do not attempt to change the directives unless you have a real need to do so An excellent book which describes operation and configuration of the various HTTP directives and
77. Time Mode selections are PTP and UTC The IEEE 1588 standard defines the PTP epoch beginning at 0 hours on 1 January 1970 The time measured since this epoch is designated in the standard as PTP seconds The PTP second is monotonic so does not include leap seconds Unlike PTP the UTC second is not monotonic that is from time to time there will be leap second insertions The last second of a leap day is 23 59 60 making the day one second longer than a normal day ending at 23 59 59 See Appendix D Leap Seconds for more information PTP Second When the PTP Time Mode is set to PTP the slave clocks must utilize the current leap second and leap second pending flags leap 59 or leap 61 to convert the PTP second to UTC UTC Time When the PTP Time Mode is set to UTC then there will be a one second jump in time when a leap second insertion occurs If the PTP slave does not account for this it will also jump Avoid this by using PTP time mode 119 Tempus LX CDMA User Manual APPENDIX H 120 Tempus LX CDMA User Manual EndRun DES T TECHNOLOGIES Appendix Specifications CDMA Receiver Cellular Mobile Receive Band 869 894 MHz Standard North American PCS Mobile Receive Band 1930 1990 MHz Standard Japanese Cellular Mobile Receive Band 860 875 MHz Optional Configuration TIA EIA IS 95 CDMA Pilot and Sync channels Antenna TNC jack on rear panel Z 500 Dual Band 824 896 MHz 1850 1990 MHz magnetic base monop
78. VER RESULTING FROM LOSS OF USE DATA OR PROFITS WHETHER IN AN ACTION OF CONTRACT NEGLIGENCE OR OTHER TORTIOUS ACTION ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE 108 Tempus LX CDMA User Manual About PTP EndRun e TECHNOLOGIES Appendix Precision Time Protocol PTP IEEE 1588 This appendix contains the configuration and status information for the optional Precision Time Protocol Both PTP version 1 and PTP version 2 are available The PTPv2 protocol running on the Tempus LX is a full Grandmaster Clock default profile implementation of the IEEE 1588 2008 standard The PTPv1 protocol is a full Grandmaster Clock implementation of the IEEE 1588 2002 standard The PTP version is user selectable and once configured the Tempus LX operates as a PTP Grandmaster Version I OR Version 2 The PTP implementation in the Tempus LX is built from the distribution at the PTPd website http ptpd sourceforge net The daemon status and configuration is supported from two PTP companion utilities eptpstat or cptp2stat and ptpconfig or ptp2config The following table shows the Tempus LX utili ties that pertain to PTPv1 and PTPv2 PTPv2 ptp2d cptp2stat ptp2config For more information about ptpd and to obtain PTP Slave software refer to the PTPd website When downloading PTP Slave software from the PTPd website be sure to obtain this version ptpd 1 00 tar gz if using PTPv1 or ptpd 2 1 0 tar gz if using
79. X front panel user interface which consists of a graphic vacuum fluorescent display VFD and keypad The keypad and display provide a convenient interface that allows the user to quickly check the operation of the instrument and setup many control parameters If desired the Network Administrator can disable the keypad EDIT key to prevent unauthorized tam pering with the instrument setup Even when disabled all status and control parameters are avail able for reading only The display consists of a graphic 16 x 280 dot matrix vacuum fluorescent array The VFD technology offers very readable alphanumeric characters with variable font sizes Time information is readable at distances in excess of 15 feet The keypad consists of an eight key switch assembly designed to allow easy parameter selection and control The front panel keypad consists of eight switch keys identified as follows ENTER Select a menu item or load a parameter when editing BACK Return to previous display or abort an edit process EDIT Edit the parameter currently in view HELP Display context sensitive help information LEFT arrow Select a new item to the left RIGHT arrow Select a new item to the right DOWN arrow Scroll through parameter values in edit displays or through help lines in help displays In all other displays this key has a secondary function where it will operate like the ENTER key to select menu items UP arrow Scroll through parameter values in e
80. al of the daemons running on the system You should follow the instructions contained in com ments in the file for disabling the snmpd and httpd daemons Placing a character at the beginning of a line makes it a comment line so that it will not be executed See Using Edit above 73 Tempus LX CDMA User Manual OpenSSH APPENDIX A Disable SSH To disable SSH edit a system start up script called etc rc d rc inet2 This script starts several of the daemons running on the system You should follow the instructions contained in comments in the file for disabling the sshd daemon Placing a character at the beginning of a line makes it a comment line so that it will not be executed See Using Edit above IMPORTANT After editing etc rc d rc local and or etc rc d rc inet2 you must copy them to the boot etc rc d directory and reboot the system It is very important to retain the access mode for these files so be sure touse p when performing the copy During the boot process the files contained in the boot etc re d directory are copied to the working ete re d directory on the system RAM disk In this way the fac tory defaults are overwritten The secure shell protocol server running in the Tempus LX is based on the portable OpenSSH for Linux As such it supports both SSH1 and SSH2 protocol versions By default only SSH2 is en abled due to security issues with SSH1 For more information about this protocol and to obtain client s
81. al polarization so your antenna might work in either orientation After mounting the unit and antenna verify that it still acquires and tracks a CDMA signal Connecting and Configuring Ethernet Connect one end of the CAT 5 patch cable supplied with your Tempus LX to the rear panel mounted RJ 45 connector labeled 10 100BASE T Connect the other end of the patch cable to your network through a straight port on your hub Do not connect it to a crossover port on your hub By factory default the Tempus LX will attempt to configure the ethernet interface automatically via the Dynamic Host Configuration Protocol DHCP The Tempus LX will attempt to set the netmask its IP address the IP address of the default gateway the domain name and the IP addresses of any nameservers if the DHCP server is configured to provide them You may optionally configure the Tempus LX to also set its hostname via DHCP if your DHCP server is configured to provide it You can do this by running a simple shell script called netcon ig after your unit is up on the network If your network does use DHCP for host configuration and you are in a hurry to get your Tempus LX up and running you may procede to Verifying Network Configuration to make sure that the network parameters were set up correctly Otherwise it is recommended that you read the following sections on use of the RS 232 serial I O port now since they will help you in debugging any problems that you ma
82. altogether you can either remove this line or place a character at the beginning of the line so that it will not be executed A very compact editor with WordStar command keystrokes is available on the system for this purpose edit If you start edit without giving it a file name to open it will display its help screen showing the supported keystrokes IMPORTANT After editing etc rc d rc local you must copy it to the Doot etc rc d directory and reboot the system It is very important to retain the access mode for the file so be sure to use when performing the copy During the boot process the files contained in Doot etc rc d directory are copied to the work ing etc rc d directory on the system RAM disk In this way the factory defaults are overwritten You should be able to compile the TEMPUSLXUNISON MIB file on your SNMP management sys tem and access the variables defined therein The factory default community names are TempusLX Unison for the read only community and endrun_1 for the read write community This is all that is required for operation under v1 and v2c of SNMP 86 Tempus LX CDMA User Manual Configuring SNMPv1 Trap Generation Configuring SNMPv2c Notifications and Informs SIMPLE NETWORK MANAGEMENT PROTOCOL SNMP Change Default Community Strings Passwords You can and should change the default community names by editing etc snmpd conf and modifying these two lines rwcommunity e
83. an or antenna failure or blockage If the condition persists indefinitely and a problem with the antenna is not evident the unit may need to be returned to the factory for repair DAC This fault indicates that the electronic frequency control DAC for the oscillator has reached either the high 55000 or low 10000 limit while locked to the CDMA signal Unless the unit is being subjected to out of specification environmental conditions this would indicate that the oscillator frequency has drifted near to the end of life region This should normally only occur after about ten years of operation The unit will continue to function until the oscillator frequency finally reaches one of the actual DAC endpoints The unit should be returned to the factory for oscillator replace ment at the your convenience Polling Events This fault indicates that the CDMA Subsystem is not receiving polling request from the Linux NTP Subsystem This could be due to a hardware or software failure If the condition persists after cy cling the power to the unit this is a fatal fault and the unit should be returned to the factory for repair 68 Tempus LX CDMA User Manual HTTP INTERFACE Time Reference This fault indicates that the microprocessor received an erroneous time input from the CDMA Sub system Do NOT reset the unit in an attempt to clear this fault If the condition persists please report it to the factory 1 877 749 3878 Synthesizer This fault ind
84. ar with Unix like operating systems and you would like to be able to more closely monitor or optimize the performance of your Tempus LX you should consult either the web at http www tldp org Or good Linux reference books like Linux in a Nutshell Seiver O Reilly amp Associates 1999 Running Linux Welsh Dalheimer amp Kaufman O Reilly amp Associates 1999 45 Tempus LX CDMA User Manual CHAPTER SIX Available User Commands COMMAND FUNCTION accessconfig Interactive shell script that guides the user in configuring telnet ssh and snmpd access to the Tempus LX that is limited to specific hosts The resulting etc hosts allow and etc hosts deny files are saved to the non volatile FLASH disk Factory default configuration allows access by all hosts cdmachannelset Prints the current CDMA channelset being used It can be one of North American Cellular South Korean Cellular North American PCS Indian Cellular or Japanese Cellular cdmaleapconfig Guides the user in configuring the way in which UTC leap sec onds are handled either automatically via CDMA basestation transmissions or by user entered current and future leap second parameters cdmaleapmode Prints the current CDMA leap second mode of operation either automatic or user entered If user entered prints the current and future leap second values cdmaversion Prints the CDMA firmware and FPGA version information to the console cntphwaddr Prints the ethernet
85. are unable to find an antenna location where the unit will acquire the CDMA signals you may not have cellular coverage in your area or the signal might be too weak in your facility First using the setcdmachannelset command try changing the channelset on your unit to operate with the PCS frequencies If you are still unable to receive signals you should con tinue to try for at least a day since base stations are taken down for service from time to time If you have a CDMA phone see if it will work in digital mode If it will then your Tempus LX may be damaged and should be returned to the factory for repair or exchange FCC NOTICE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Mount the Tempus LX Using standard 19 rack mounting hardware mount the unit in the previously surveyed location Ground the unit properly with the supplied po
86. arranty period has expired we offer repair services for equipment you have purchased from EndRun Call and ask for a customer service agent It is important to contact us first as many prob lems may be resolved with a phone call Please have the serial number of the unit and the nature of the problem available before you call If it is determined that the equipment has failed and you want EndRun to perform the repairs we will issue you an RMA number Ship the unit prepaid in the original container or a container of sufficient strength and protection to EndRun Technologies EndRun will not be responsible for damage incurred during shipping to us Customer is responsible for shipping costs to and from EndRun Technologies Be sure the RMA number is clearly identified on the shipping container After the equipment has been received we will evaluate the nature of the problem and contact you with the cost to repair parts and labor and an estimate of the time neces sary to complete the work Limitation of Liability The remedies provided herein are Buyer s sole and exclusive remedies EndRun Technologies shall not be liable for any direct indirect special incidental or consequential damages whether based on contract tort or any other legal theory Tempus LX CDMA User Manual EndRun Contact Information Address EndRun Technologies 2270 Northpoint Parkway Santa Rosa CA 95407 U S A Phone 707 573 8633 Fax 707 573 8619 Sales 1 877 749
87. at date After De cember 31st there will be 14 leap seconds So all units shipped from the factory between July 2005 and the end of December 2005 will have a current leap second value of 13 and a future leap second value of 14 Your Tempus LX will remember the settings and make a perfect leap second transition at midnight on December 31st If you happen to have your unit powered off on December 3156 then when power is reapplied it will know that the leap second transition has passed and behave appro priately After December 31st your unit will show that both the current and future leap seconds are 14 This will continue as long as there is no new leap second insertion scheduled probably for many years When a new leap second insertion is scheduled you will need to alter the current and future values The EndRun Technologies website has a page devoted to notifying users of the next leap second occurrence It also posts the appropriate current and future leap seconds setting for your Tempus LX The appropriate link is http www endruntechnologies com leap htm 91 Tempus LX CDMA User Manual Background Information APPENDIX D Another way to get the leap second information is to go to the International Earth Rotation Service IERS website If a leap second is pending it will be posted by the IERS approximately six months in advance of insertion This information is available in the latest Bulletin C at the IERS website http www iers o
88. ation software The other file is the firmware for the CDMA Subsystem Each of these files may be upgraded independently although some upgrades require both images to be modified together You will need to use ftp or scp to transfer the binary image file s to the Tempus LX This means that you must place the previously downloaded file s in a place on your network which is accessible to the Tempus LX Performing the Linux Subsystem Upgrade There are two FLASH disk partitions which hold the compressed Linux root file system images These partitions are raw FLASH blocks have no file system and may not be mounted They are ac cessed through low level devices To protect the factory root file system from accidental erasure or over writing the device node has been deleted The upgrade FLASH disk partition is accessed via dev rootfs 1 When performing an upgrade you will be copying the new image to this device Some browsers will automatically unzip the file when downloading from the website Please make sure that the downloaded file size matches what the website says it should be Upgrading the partition with a too large file size will cause problems To perform the upgrade log in as the root user to the Tempus LX using the local console serial I O port telnet or ssh and perform these operations First erase the upgrade partition by issuing this command at the shell prompt eraserootfs_1 If you are using tp to perform the upgrade transf
89. basex 14 H Weight lt 5 Ib 2 70 kg Environmental Operating Temperature 0 to 50 C Operating Humidity 0 to 9596 non condensing Storage Temperature 40 to 85 C Optional Outputs See Chapter 2 Physical Description for more information on these outputs 1PPS Output Positive TTL pulse into 500 or RS 422 Width User selectable to 20 us 1 ms 100 ms 500 ms Accuracy 10 microseconds to UTC when locked Stability TDEV 50 ns x 10 seconds Connector TTL Rear panel BNC labeled 1PPS Connector RS 422 Rear panel DB 9M jack labeled 1PPS RS 422 Pinout RS 422 Pin 3 is signal Pin 6 is signal Pin 5 is GND Note To change the pulse width refer to the Option 1 0 Menu in Chapter 5 Front Panel Keypad and Display or the cpuopts and cpuoptsconfig commands in Chapter 6 Control and Status Commands AM Code Output 1 Vrms into 509 1 kHz carrier Signal Amplitude modulated AM 3 1 ratio Format User selectable to IRIG B 120 IEEE 1344 122 123 NASA 36 2137 Connector Rear panel BNC labeled AM CODE Note To change the time code format refer to the Option 1 0 Menu in Chapter 5 Front Panel Keypad and Display or the cpuopts and cpuoptsconfig commands in Chapter 6 Control and Status Commands Programmable TTL Output Positive TTL pulse 50 on BNC jack User Selectable Output Type On time pulse rate a digital time code or synthesized rate Pulse Rate User selectable to 1
90. ceiver Menu is selected from the Main Menu and provides access to the Receiver Status Channelset and Oscillator Status displays described below Receiver Status This display provides information associated with the operation of the CDMA receiver Press DOWN to scroll through all the information CDMA RECEIVER STATUS Rovr State Locked Frame Err 0 000 SNR 5 7 AGC 193 MORE Channel Prim B PNO 150 Receiver State This shows the current state of the CDMA receiver The state may be acquire detect locking tracking or locked When locked the CDMA receiver is synchronized to the signal and it is disciplining the internal oscillator to remove frequency and time errors 38 Tempus LX CDMA User Manual FRONT PANEL KEYPAD AND DISPLAY TFOM A detailed explanation of TFOM is in Appendix E Time Figure of Merit Briefly TFOM indicates clock accuracy where 6 time error is lt 100 us 7 time error is lt 1 ms 8 time error is lt 10 ms 9 time error is gt 10 ms unsynchronized state if never locked to CDMA Frame Err The number shown represents the sync channel frame error rate 0 000 to 1 000 with a higher number implying more Cyclical Redundancy Check CRC failures Higher numbers will correlate with lower signal to noise ratios SNR The signal to noise ratio is an indicator of the CDMA signal quality This number must typically be greater than 2 5 for the instrument to acquire but it will maintain lock at levels
91. channelset Command that allows the user to select the channelset for the CDMA sub system to receive This command is not functional in units comfigured for Japanese Cellular operation Command to mask or enable the Signal Loss Fault Prints the current setting for the Signal Loss Fault mask Unlocks access to the front panel keypad EDIT key updaterootflag Command to update the flag stored in FLASH that is read by the Linux bootloader at boot time to select operation with either the FACTORY or UPGRADE root file system upgradecdma Shell script that facilitates the CDMA Subsystem firmware upgrade process upgradekernel Shell script that facilitates the Linux kernel firmware upgrade pee process Limited applicability Use with caution 47 Tempus LX CDMA User Manual Detailed Command Descriptions CHAPTER SIX accessconfig This command starts an interactive shell script that will allow the root user to configure limitation of telnet ssh and snmp access to the Tempus LX By default the unit is configured to allow access by all users If you need to limit telnet ssh or snmp access e g for security reasons you must run this script as root from either the RS 232 serial I O port or from a telnet or ssh session This script modifies these files etc hosts allow and etc hosts deny These are non volatilely stored in the FLASH disk boot etc directory You must reboot the Tempus LX after running this script for the changes to take ef
92. d SNMP To ensure security you should restrict access by using the accessconfig command accessconfig modifies two files which are used by tepd and the standalone daemons snmpd and sshd to determine whether or not to grant access to a requesting host etc hosts allow and etc hosts deny These two files may contain configuration information for a number of protocol servers but in the Tempus LX only access control to the protocol server daemons in telnetd sshd and snmpd is configured As shipped from the factory these two files are empty When the user runs accessconfig these lines are added to the etc hosts deny file in telnetd ALL sshd ALL snmpd ALL This tells tepd to deny access to in te1netd and ssh to all hosts not listed in the etc hosts allow file The snmpd and sshd daemons also parse this file prior to granting access to a requesting host Then the user is prompted to enter a list of hosts that will be granted access to in telnetd sshd and snmpd These appear in the etc hosts allow as lines like this 72 Tempus LX CDMA User Manual Disabling Protocols SECURITY in telnetd 192 168 1 2 192 168 1 3 sshd 192 168 1 2 192 168 1 3 snmpd 192 168 1 2 192 168 1 3 This simple shell script handles the needs of most users however the syntax of these two files sup ports elaborate configuration possibilities which are beyond the capabilites of this simple shell script Advanced users who need these capabilities will
93. d be corrupt The unit should be returned to the factory for repair Local Oscillator Fault This bit indicates that the receiver Local Oscillator Phase Locked Loop PLL synthesizer is either unlocked or has failed This condition should not normally occur unless the unit is subjected to out of specification environmental conditions Otherwise this would be a fatal fault and the unit should be returned to the factory for repair 1 877 749 3878 Time Input Fault This bit indicates that the microprocessor received an erroneous time input from the CDMA Subsystem Do NOT do a power cycle in an attempt to clear this fault If the condition persists please report it to the factory No Polling Events This bit indicates that the CDMA Subsystem is not receiving polling request from the NTP subsystem This could be due to a hardware or software failure If the condi tion persists after cycling the power to the unit this is a fatal fault and the unit should be returned to the factory for repair The example response indicates that there has been a period without tracking a CDMA signal that exceeded the time out period that there was a FLASH Write Fault and that there is a Local Oscillator PLL fault Query cdmastat Tempus LX response LOCKED TFOM 6 2001 092 04 48 56 347916732 13 8 1 132 28605 8 6 0 000 001A cdmaversion This command displays the firmware and hardware versions of the CDMA Subsystem Query cdmaversion Tempus LX response F W
94. d cease to use the unsynchronized server 93 Tempus LX CDMA User Manual APPENDIX E 94 Tempus LX CDMA User Manual Sysplex Format EndRun DES T TECHNOLOGIES AppendixF Serial Time Output This option is provided on a second RS 232 or RS 422 serial port It is a serial time string output that provides a once per second sequence of ASCII characters indicating the current time The on time character is transmitted during the first millisecond of each second This output starts auto matically at power up See Appendix I Specifications for pinout To configure this output refer to Chapter 5 Front Panel Keypad and Display and Chapter 6 Control and Status Commands for details on the cpusertime and cpusertimeconfig There are several different formats for this string The format baud rate and parity can all be changed via the front panel keypad or via the console command cpusertimeconfig Baud rate selections are 57600 19200 9600 and 4800 Parity selections are odd even and none Format selections are Sysplex Truetime EndRun EndRunX NENA and NMEA Sysplex means SYStem comPLEX and is a term used to describe computing on clusters of comput ers The Sysplex option is designed to provide time synchronization for an IBM Sysplex Timer It can also be used for precise time synchronization by any computers that do not use NTP and have an available serial port connection The time contained in the string is UTC a
95. d insertion events If you are obtaining your leap second information from the IERS website you will need to subtract 19 from the TAI UTC leap second values published there to obtain GPS UTC the number needed to set the current and future leap seconds for the Tempus LX At the time of this writing in July of 2005 TAI UTC was 32 seconds and GPS UTC was 13 seconds 92 Tempus LX CDMA User Manual EndRun DES T TECHNOLOGIES Appendix Time Figure of Merit TFOM This appendix describes the Time Figure of Merit TFOM number The Tempus LX displays this number on the front panel via the Receiver Status display see Chapter 5 The TFOM is also printed out in the time of day fields printed by the Tempus LX cdmastat and cntpstat commands see Chapter 6 The TFOM number indicates the level of accuracy that should be included in the inter pretation of the time of day and ranges from 6 to 9 time error is lt 100 us time error is lt 1 ms time error is lt 10 ms time error is gt 10 ms unsynchronized state if never locked to CDMA ON In all cases the Tempus LX reports this value as accurately as possible even during periods of CDMA signal outage where the Tempus LX is unable to directly measure the relationship of its tim ing outputs to UTC During these CDMA outage periods assuming that the Tempus LX had been synchronized prior to the outage the Tempus LX extrapolates the expected drift of the Tempus LX timing signals
96. ddress 192 168 1 245 in addition to any other servers which might also be configured in the client s ntp conf file Restart ntpd to have it begin using the Tempus LX server Use the NTP utility ntpq to check that ntpd is able to communicate with the Tempus LX After issuing the command ntpq you will see the ntpa command prompt ntpq gt Use the command peers to display the NTP peers which your computer is using One of them should be the Tempus LX server which you have just configured You should verify that it is being reached You may have to continue issuing the peers command for a minute or two before you will see the reach count increment If you have other peers configured verify that the offset information for the Tempus LX server peer and your other peers is in agreement to within a few milliseconds assuming that the other peers are synchronized to that level of accuracy It may also be useful to start the NTP daemon in debug mode ntpd to confirm successful configuration Refer to the NTP documentation for detailed usage of these debug utilities MDS authenticated setup is relatively simple if You have been able to successfully communicate with the Tempus LX on your network Your Tempus LX has been configured to perform authentication either by factory default or by running the ntpconfig shell script The example Tempus LX authentication configuration shown in Chapter 2 Configuring the Network Ti
97. dentity SSH1 id rsa SSH2 and id dsa SSH2 These must be copied to the user s root ssh directory on their remote computer Be careful to maintain the proper ownership and access permissions by using cp p when copying the files They MUST be readable only by root The corresponding public keys are by factory default resident in the root ssh directory of the Tempus LX Two files contain these keys authorized keys SSH1 and authorized keys2 SSH2 7A Tempus LX CDMA User Manual Network Time Protocol SECURITY Since the provided private keys are not passphrase protected the user should create a new set of keys after verifying operation with the factory default key sets After creating the new keys the public keys should be copied to the boot root ssh directory of the Tempus LX At boot time the Tempus LX will copy these to the actual root ssh directory of the system ramdisk thereby replacing the fac tory default set of public keys Advanced users wishing to modify the configuration of the sshd daemon should edit the etc sshd_ config file and then copy it to the boot etc directory of the Tempus LX Be careful to maintain the proper ownership and access permissions by using p when copying the file At boot time it will be copied to the etc directory of the system ramdisk thereby replacing the factory default configura tion file To disable SSH see Disable SSH above The NTP implementation in the Tempus LX is built
98. display the NTP peers which your computer is using One of them should be the Tempus LX server which you have just configured You should verify that it is being reached You may have to continue issuing the peers command for a minute or two before you will see the reach count increment If you are using authentication you can verify that authentication is being used by issuing the com mand associations 27 Tempus LX CDMA User Manual CHAPTER THREE to display the characteristics of the client server associations In the auth column of the display you should see OK for the row corresponding to the Tempus LX server If you see bad you should wait a few minutes to be sure that there is a problem since bad is the initial state of this setting If the bad indication persists then you must check your configuration for errors Typi cally this is due to a typing error in creating the etc ntp keys file on the client that causes a mismatch between the keys being used by the server and client If you transfer the file by tp or scp this shouldn t be a problem It is also possible to have a typing error in the etc ntp conf file that causes the needed key to not be included in the trustedkey list 28 Tempus LX CDMA User Manual EndRun C ANN I TECHNOLOGIES ChapterFour Setting Up NTP Clients on Windows NT 4 0 2000 XP To configure your Windows NT 4 0 2000 XP computer to use your Tempus LX
99. dit displays or through help lines in help displays In all other displays this key has a secondary function where it will operate like the BACK key to return to the previous display 35 Tempus LX CDMA User Manual Display and Keypad Operation CHAPTER FIVE The display is organized like the inverted tree structure shown below Time Status Display Main Menu Receiver Clock Opt 1 O Display Faults Network Firmware System Network P Fault Address rogram Contact Status Setup Revision Information Display Intensity ScreenSave Clock Menu Option I O Menu NTP Menu Time Mode Loc Offset Hrs Disp Leap Sec DST CPU VO OptCard1 OptCard2 OptCard3 OptCard4 OptCard5 Hours Daylight Slot1 Slot2 Slot3 Slot4 Slot5 1 NTP Broadcast Display Savings Plug in Plug in Plug in Plug in Plug in Operation Multicast Format Setup Option Option Option Option Option Status Setup Info Setup Info Setup Info Setup Info Setup Info Setup CPU Module I O Menu PPS Setup Code Out ProgTTL Syntheszr SerTimeOut Time Code Prog TTL Output Output Format Selection ynthesize Serial Rate Time Selection Format Receiver Menu Status Chan Set Osc Stat CDMA Oscillator Receiver Status Status i SigFitMask Signal Fault Level Traversing the Display Structure After power initialization the welco
100. down to about 2 0 AGC This is the automatic gain control DAC byte 0 to 255 with larger numbers implying higher RF gain With good signal conditions this value is typically 150 to 220 Channel This is the CDMA frequency channel being used There are eight possible cellular channels and 42 possible PCS channels Units configured for operation in Japan have two possible cellular channels PNO This is the pseudonoise offset 0 to 511 in units of 64 pseudonoise code chips Each base station in an area has a different PNO Channelset This display shows the current CDMA channelset being used by the CDMA receiver It also allows setting of the channelset to one of North America Cellular Korea Cellular North America PCS and India Cellular Units configured for operation with the Japanese Cellular channelset will not have this capability Oscillator Status This display provides the oscillator type and electronic frequency control status The oscillator control DAC value indicates the frequency control setting The system automatically sets this value to remove frequency errors Values may range from 0 to 65 535 Values less than 10 000 or greater than 55 000 will set the DAC fault flag that will appear in the fault status display The Time Status display will also indicate a fault condition The oscillator type indicates the oscillator that is installed Possible oscillator types are Temperature compensated crystal oscillator TCXO Med
101. e Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface localnet 255 255 255 248 U 0 0 0 etho loopback 255 0 0 0 U 0 0 0 lo default 192 168 1 241 0 0 0 0 UG 1 0 0 etho Here you are interested in the default gateway address It should match the appropriate one for your network If so then the ethernet interface of your Tempus LX has been successfully configured to operate on your network and you are ready to check operation of the Tempus LX over the network If not you should re check your configuration and or repeat the netconfig procedure If you have configured a nameserver s for your network you may check that by issuing this shell command Tempus LX CDMA root cntp gt cat etc resolv conf search your domain nameserver 192 168 1 1 nameserver 192 168 1 2 Which displays the contents of the etc resolv conf file containing your domain name and the nam eserver IP address es to use for that domain 16 Tempus LX CDMA User Manual BASIC INSTALLATION Check Network Operation With your Tempus LX network parameters properly configured you are ready to test the setup using ping from a server or workstation that is able to access the network connected to the Tempus LX Alternatively you could ping one of your servers or workstations from the Tempus LX shell prompt to test the setup Once you have successfully established network communications with the Tempus LX you may perform all maintenance and
102. e Tempus LX By default the v2c trap or inform will be sent to port 162 You may optionally add another parameter trap2port or informport to the ends of the above lines to override the default port setting Otherwise leave it blank Note Though the agent will recognize multiple trap2sink or informsink lines within etc snmpd conf and send the generic SNMP coldStart or authenticationFailure notifications and informs to each destination the enterprise notification inform generation mechanism of the Tempus LX will only send a notification to the last declared trap2sink and an inform to the last declared inform sink in the file IMPORTANT After editing etc smmpd conf you must copy it to the boot etc directory and reboot the system It is very important to retain the access mode for the file readable only by root so be sure to use cp p when performing the copy During the boot process the files contained in the Doot etc directory are cop ied to the working directory on the system RAM disk In this way the factory defaults are overwritten 87 Tempus LX CDMA User Manual Configuration of SNMPv3 APPENDIX C If you are planning to use SNMPv3 you should definitely make use of the two resources mentioned previously NET SNMP website and Essential SNMP and study them carefully There are rather elaborate configuration options available when you are using v3 The instruction presented here will give you the flavor of the configurati
103. e relative ease with which a fake NTP server can take over the clock setting of the broadcast multicast clients on the network 29 Tempus LX CDMA User Manual Basic NTP Client Setup CHAPTER FOUR Basic setup is relatively simple if You have been able to successfully communicate with the Tempus LX on your network You have installed NTP on your client computer Configure NTP You must edit the ntp conf file which ntpd exe the NTP daemon looks for by default in the the winnt system32 drivers etc directory of the boot partition If your NTP installation placed this file in a different place you must find it and edit it For example XP uses lwindows system32 drivers etc Add this line to the ntp conf file server 192 168 1 245 This line tells ntpd exe to use the NTP server at address 192 168 1 245 in addition to any other servers which might also be configured in the ntp conf file Restart to have it begin using the Tempus LX server By default the NTP installation program installs ntpd exe as a service called Network Time Protocol and starts it You must use the Services utility in Control Panel to stop the Network Time Protocol service and then restart it Use the NTP utility ntpq exe to check that ntpd exe is able to communicate with the Tempus LX By default it is installed in the Program Files Network Time Protocol sub directory of your Windows NT 2000 XP partition From a console window after issuing t
104. e sure the software is free for all its users This General Public License applies to most of the Free Software Foundation s software and to any other program whose authors commit to using it Some other Free Software Foundation software is covered by the GNU Lesser General Public License instead You can apply it to your programs too When we speak of free software we are referring to freedom not price Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software and charge for this service if you wish that you receive source code or can get it if you want it that you can change the software or use pieces of it in new free programs and that you know you can do these things To protect your rights we need to make restrictions that forbid anyone to deny you these rights or to ask you to surrender the rights These restrictions translate to certain responsibilities for you if you distribute copies of the software or if you modify it For example if you distribute copies of such a program whether gratis or for a fee you must give the 101 Tempus LX CDMA User Manual APPENDIX G recipients all the rights that you have You must make sure that they too receive or can get the source code And you must show them these terms so they know their rights We protect your rights with two steps 1 copyright the software and 2 offer you this license which gives you legal permissio
105. e the CDMA Subsystem firmware It requires one argument the path to the binary file to be uploaded to the CDMA Subsystem It issues the commands over the se rial port to the CDMA Subsystem that are needed to start the X modem file transfer and then displays the responses from the CDMA Subsystem to the console When the X modem C character appears indicating that the CDMA Subsystem is ready to receive the file you must hit the lt ENTER gt key and the transfer will begin After about one minute it should complete at which point you should see the CDMA Subsystem boot messages appear on the console From these you will be able to verify that the firmware was successfully upgraded In the example console output below lines which begin with are generated by the upgrad ecdma script All other lines are from the CDMA Subsystem with the exception of the shell message indicating that the process cat dev arm user has been terminated which is normal In this example character was received three times before the user hit the ENTER key to begin the transfer The last three lines are the boot messages that are sent by the CDMA Subsystem as it comes up The firmware version should match that of the binary file that was uploaded See Per forming the CDMA Upgrade in Appendix B Upgrading the Firmware for more information Set upgradecdma tmp 6010 0020 000 bin Tempus LX response When you see the character
106. em by issuing this command at the shell prompt shutdown r now The default PTPv2 configuration settings in the Tempus LX are shown below If you need to modify these settings then you will need to reconfigure the PTPv2 subsystem You may perform the configu ration from either a telnet or ssh session or the local RS 232 console Default PTPv2 settings are Sync Interval 1 second Announce Interval 2 seconds Priority 1 128 Priority 2 128 Delay Mechanism E2E Domain 0 PTP Time Mode UTC PTP TTL 1 PTPv2 Configuration and Status Using the Keypad Display If your unit has the optional PTP capability then there will be an item in the list of Main Menu selec tions called Press the RIGHT LEFT arrow key until this is highlighted and press ENTER to select it Then press the RIGHT LEFT arrow keys to highlight Status or Setup and press ENTER The Status selection will let you see the current status of the PTP subsystem For the Setup selection press EDIT to reconfigure PTP The sequence of edit displays will guide you through the setup process Press the HELP key at any time to view the context sensitive help information When you are finished the unit will reset PTPv2 Configuration Using the Network or Serial Port The ptp2config command starts an interactive shell script that will allow you to configure the PTPv2 subsystem of the Tempus LX You will be prompted to set PTPv2 parameters as follows
107. ense will not have their licenses terminated so long as such parties remain in full compliance 5 You are not required to accept this License since you have not signed it However nothing else grants you permission to modify or distribute the Program or its derivative works These actions are prohibited by law if you do not accept this License Therefore by modifying or distributing the Pro gram or any work based on the Program you indicate your acceptance of this License to do so and all its terms and conditions for copying distributing or modifying the Program or works based on it 6 Each time you redistribute the Program or any work based on the Program the recipient automat ically receives a license from the original licensor to copy distribute or modify the Program subject to these terms and conditions You may not impose any further restrictions on the recipients exercise of the rights granted herein You are not responsible for enforcing compliance by third parties to this License 7 If as a consequence of a court judgment or allegation of patent infringement or for any other reason not limited to patent issues conditions are imposed on you whether by court order agree ment or otherwise that contradict the conditions of this License they do not excuse you from the conditions of this License If you cannot distribute so as to satisfy simultaneously your obligations under this License and any other pertinent obligations
108. er Starting the system watchdog woof Starting Keypad Display Process During this process the factory default TempusLXCDMA_ 0 root file system is loaded from FLASH disk to an 16MB ramdisk and the remainder of the boot process completes At this point the Tempus LX login prompt is displayed kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Welcome to Tempus LX CDMA console on cntp your domain Tue Feb 20 2001 21 47 03 UTC kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk cntp login Here you may log in as cntpuser with password Praecis or you may log in as the root user with password endrun 1 When logged as cntpuser you may check status information and view log files but you will not be able to modify any system settings or view secure files In order to perform system setup procedures which includes configuring the IP network settings you must log in as the root user After correctly entering the password at this prompt password the sign on message is shown It identifies the host system as Tempus LX CDMA and shows the software part number version and build date Tempus LX CDMA 6010 0042 000 v 1 00 Wed May 9 14 17 44 UTC 2002 Tempus LX CDMA root cntp gt This last line is the standard Tempus LX CDMA shell prompt The Tempus LX uses the bash shell which is the Linux standard full featured shell After configuring
109. er the previously downloaded file using binary transfer mode from the remote host to dev rootfs I on your Tempus LX using FTP The root file system image will be named with the software part number and version like 60 0 004 000 3 00 02 When following the instructions below substitute the name of the actual root file system image that you are installing for 6010 004x 000_3 00 gz Issue these commands from the console of your Tem pus LX ftp remote_host perform ftp login on remote host bin set transfer mode to binary get 6010 004x 000_3 00 gz dev rootfs_1 transfer the file quit close the ftp session after transfer 79 Tempus LX CDMA User Manual APPENDIX B If you are using ssh you may open a command window on the remote computer and securely trans fer the root file system image using scp from the remote computer to your Tempus LX A command like this should be used scp p 6010 004x 000 3 00 gz rootGcntp your domain dev rootfs 1 Update the default file system partition by issuing this command on your Tempus LX updaterootflag 1 You should see this line displayed UPGRADE is the default root file system Now reboot the system by issuing this command at the shell prompt shutdown r now Wait about 90 seconds for the system to shutdown and reboot Then log in to the Tempus LX using telnet or ssh Ifall has gone well you should be able to log in the usual way After you have entered your password the system message will
110. ess mode for the file so be sure to use cp p when performing the copy During the boot process the files contained in Doot etc rc d directory are copied to the work ing etc rc d directory on the system RAM disk In this way the factory defaults are overwritten 70 Tempus LX CDMA User Manual Linux Operating System EndRun DES ON TECHNOLOGIES Appendix Security Your Tempus LX incorporates several important security features to prevent unauthorized tampering with its operation Many of these are standard multiple user access control features of the underlying Linux operating system which controls the Tempus LX Others are provided by the additional proto col servers selected for inclusion in your Tempus LX and the way that they are configured Secure user authentication and session privacy while performing routine monitoring and mainte nance tasks are provided by the OpenSSH implementations of the secure shell daemon sshd and its companion secure utility sep The Apache implementation of the Hyper Text Transport Protocol HTTP with Secure Sockets Layer SSL daemon httpd provides for a secure encrypted session with a digital certificate The NET SNMP implementation of the Simple Network Manage ment Protocol SNMP daemon snmpd conforms to the latest Internet standard known as SNMPv3 which also supports secure user authentication and session privacy In addition the Network Time Protocol daemon ntpd
111. fect Set accessconfig Tempus LX response Interactive shell script is started cdmachannelset This command displays the CDMA channelset currently being used by the CDMA Subsystem It can be one of North American Cellular South Korean Cellular North American PCS Indian Cellular or for certain units Japanese Cellular Query cdmachannelset Tempus LX response Channelset is North American PCS cdmaleapconfig Leap seconds affect NTP UTC and Local Time not GPS Time Leap second insertions occur about once every two years This command starts an interactive shell script that will guide the root user in configuring the way that UTC leap seconds are handled There are two different modes for handling leap second insertions automatic and user entered The Tempus LX is shipped from the factory in user entered leap second mode with the current and future leap second values set appropriately You will need to change these values the next time a leap second is pending The interactive script is very detailed in explaining how these values are obtained and used There is also more information in Appendix D Leap Seconds Query cdmaleapconfig Tempus LX response Interactive shell script is started cdmaleapmode This command displays the CDMA leap mode of operation currently configured There are two modes automatic and user entered If the mode is user entered then the values of the configured current and future leap seconds are also disp
112. filling your precision timing needs by providing the most advanced reliable and cost effective time and frequency equipment available in the market today Trademark Acknowledgements IBM PC Linux NotePad Timeserv UNIX Windows NT WordStar are registered trademarks of the respective holders Part No USM3014 0000 000 Revision 21 February 2012 Copyright EndRun Technologies 2005 2012 Tempus LX CDMA User Manual About This Manual This manual will guide you through simple installation and set up procedures Introduction The Tempus LX how it works where to use it its main features Basic Installation How to connect configure and test your Tempus LX with your network Client Set Up Two sections one for Unix like platforms and one for Windows NT 2000 XP Console Port Description of the Linux console commands for use over the network and serial ports Front Panel Keypad and Display How to operate the user interface that provides convenient setup and monitoring of the instrument If you detect any inaccuracies or omissions please inform us EndRun Technologies cannot be held responsible for any technical or typographical errors and reserves the right to make changes to the product and manuals without prior notice Warranty This product manufactured by EndRun Technologies is warranted against defects in material and workmanship for a period of three years from date of shipment under normal use and service Dur
113. found at www ntp org The distribution and usage of the NTP software is allowed as long as the following copyright notice is included in our documentation The following copyright notice applies to all files collectively called the Network Time Protocol Ver sion 4 Distribution Unless specifically declared otherwise in an individual file this notice applies as if the text was explicitly included in the file ke sk ssl ee ale be ale oet kk be ae oe obe zh te ee ae oe ale ale de ze oet ze t I de zie oet oe ot oe de ae te zi CA ee a a a okok Copyright c David L Mills 1992 2006 Permission to use copy modify and distribute this software and its documentation for any purpose with or without fee 1s hereby granted provided that the above copyright notice appears in all copies and that both the copyright notice and this permission notice appear in supporting documentation and that the name University of Delaware not be used in advertising or publicity pertaining to distribution of the software without specific written prior permission The University of Delaware makes no representations about the suitability this software for any purpose It is provided as is without express or implied warranty X kk sk skcok SS ok ke sk ok ee ak
114. from the standard distribution from the http www ntp org site By factory default remote control of the NTP daemon ntpd is disabled Query only operation is supported from the two NTP companion utilities ntpa and ntpdc Control via these two utilities is disabled in the etc ntp conf file in two ways First MDS authentica tion keys are not defined for control operation via a requestkey or controlkey declaration Second this default address restriction line is present in the file restrict default nomodify This line eliminates control access from ALL hosts Query access is not affected by this restriction Knowledgable NTP users who would like to customize the security aspects of the configuration of the NTP daemon in the Tempus LX should edit the etc ntp conf file directly and then copy it to the boot etc directory Be sure to retain the ownership and permissions of the original file by using ep p when performing the copy If you are planning to make changes to the etc ntp conf file you must not restrict query access from the local host to the NTP daemon Various system monitoring processes running on the system require this access An example follows which shows how to restrict query access to a specific remote host with IP ad dress 192 168 1 10 while also allowing processes running on the Tempus LX to have query access as well restrict default noquery nomodify restrict localhost nomodify restrict 192 168 1 10 nomodify 75
115. hat is installed in the Tempus LX DAC Is the upper 16 bits of the oscillator voltage control DAC word 0 to 65535 with larger numbers implying higher oscillator frequency Typical range is 20000 to 38000 Clock Page This page shows the configuration of the Tempus LX Time Server except for any optional I O which is listed on the I O page Fields are Time Mode This field shows the current time mode setting Possible settings are UTC GPS Local Auto and Local Manual Since NTP always uses UTC this setting only affects the time displayed on the front panel and any optional AM Code Output or Serial Time Output For example if your Tempus LX has a time code output and the time mode is Local Manual then the time contained in the time code output will be local time but NTP will remain at UTC time To change the time mode setting use the front panel keypad display or the cntptimemodeconfig command via the network serial port Note Local Auto derives the local offset and DST from the information embedded in the CDMA timing signal Local Manual derives the local offset and DST from information entered by the user Local Time Offset This field shows the offset from UTC and is only valid when the Time Mode is Local A positive Local Time Offset implies a longitude east of the Greenwich meridian To change the local offset use the front panel keypad display or the cntptimemodeconfig command Hour Display Format This field shows the format used for t
116. hat is using TCP IP protocols Although client software is available for all platforms for the most precise applications the Unix like operating systems are best supported Performance Reliability and Economy The Tempus LX provides high performance and reliability combined with low power consumption and cost Its internal sub assemblies are fabricated using state of the art components and processes and are integrated in a solid high quality chassis Flexibility It supports a variety of TCP IP network protocols compatible with a variety of platforms and operat ing systems 2 Tempus LX CDMA User Manual Easy Installation Its standard 1U high 19 rack mountable chassis and indoor mounted magnetic base antenna make installation simpler compared to direct GPS products The antenna and rack mount chassis may be mounted in any convenient location Connect it to your network via the rear panel mounted 10 100Base T RJ 45 connector and plug in the AC power cord Initial network configuration is automat ic on networks using the Dynamic Host Configuration Protocol DHCP Manual network configura tion is via the RS 232 serial I O port and a simple Linux shell script Free FLASH Upgrades Firmware and configurable hardware parameters are stored in non volatile FLASH memory so the Tempus LX can be easily upgraded in the field using FTP and TELNET or the local RS 232 serial I O port Secure upgrades are possible via SSH and SCP We make all fi
117. he command ntpq you will see the ntpq exe command prompt ntpq gt Use the command peers to display the NTP peers which your computer is using One of them should be the Tempus LX server which you have just configured You should verify that it is being reached You may have to continue issuing the peers command for a minute or two before you will see the reach count increment If you have other peers configured verify that the offset information for the Tempus LX server peer and your other peers is in agreement to within a few milliseconds assuming that the other peers are synchronized to that level of accuracy It may also be useful to start the NTP daemon in debug mode ntpd d to confirm successful con figuration The debug version of the NTP daemon is located in the debug sub directory of your NTP directory Refer to the NTP documentation for detailed usage of these debug utilities 30 Tempus LX CDMA User Manual MD5 Authenticated NTP Client Setup SETTING UP NTP CLIENTS ON WINDOWS NT 4 0 2000 XP MDS authenticated setup is relatively simple if You have been able to successfully communicate with the Tempus LX on your network Your Tempus LX has been configured to perform authentication either by factory default or by running the ntpconfig shell script The example Tempus LX authentication configuration shown in Chapter 2 Configuring the Network Time Protocol will be assumed in the example configurat
118. he cptp2stat command allows you to query the status of the PTPv2 subsystem The ptp2d dae mon running on the system updates the var log ptp monitor every five seconds under normal opera tion This logfile is parsed and formated to provide the status string having these fields V SI AI P1 P2 DM DOM MODE TTL CLASS SCALE STATE CLKID UTC UTCV 159 161 TT FT Where V is the IEEE 1588 version 2 for the 2008 standard SI is the PTP sync interval either 1 or 2 seconds Al is the PTP announce interval either 1 2 4 8 or 16 seconds P1 is the PTP priority 1 in a range from 0 to 255 P2 is the PTP priority 2 in a range from 0 to 255 DM is the PTP delay mechanism either E2E or P2P DOM is the PTP domain in a range from 0 to 255 MODE is the PTP time mode either UTC or PTP TTL is the PTP multicast ttl in a range from 1 to 255 CLASS is the PTP clock class either SYNCHRONIZED HOLDOVER or UNLOCKED SCALE is the PTP timescale either PTP or ARB STATE 1s the PTP port state either MASTER PASSIVE or LISTENING CLKID is the PTP clock source either GPS or OSC 113 Tempus LX CDMA User Manual PTPv2 Operation APPENDIX H UTC is the PTP utc offset in seconds UTCV is the PTP utc offset valid either TRUE or FALSE CA is the clock accuracy either lus 2 5us 10us 25us 100us 250us 1 ms 2 5ms 10ms or Unknown L59 is the PTP leap 59 second indicator either TRUE or FALSE L61 is the PTP leap 61 second indicator
119. he offset to UTC implies time is ahead of UTC ZZ is the magnitude of the offset to UTC in units of half hours Non zero only when the Timemode is Local m is the Timemode character and is one of G GPS L Local U UTC CC is the current leap seconds FF is the future leap seconds which will show a leap second pending 24 hours in advance lt CR gt is the ASCII carriage return character 0x0D lt LF gt is the ASCII line feed character 0x0A 97 Tempus LX CDMA User Manual NENA Format APPENDIX F NENA is the United States National Emergency Number Association This organization has adopted several ASCII time code formats for use in PSAPs Public Safety Answering Points and they are specified in the NENA PSAP Master Clock Standard Issue 4 These ASCII time code formats are NENA Format 0 NENAO NENA Format 1 NENA1 and NENA Format 8 NENA 8 NENAO lt CR gt lt LF gt Q DDD HH MM SS dTZ XX lt CR gt lt LF gt Q is the time quality indicator and may be either lt space gt ASCII space character 0x20 which indicates locked ASCII question mark 0x3F which indicates the unsynchronized condition This is the on time character is the space character 0x20 DDD is the day of year 001 366 is the colon character 0x3A HH is the hour of the day 00 23 MM is the minute of the hour 00 59 SS is the second of the minute 00 60 d is the DST indicator S I D O TZ XX 15 the time zone where is
120. he time on the front panel display Options are 24 Hour Mode and 12 Hour Mode Keypad Lockout This field shows whether the front panel keypad is locked or not Changing the keypad lockout can only be done through the network serial port command line To change use the lockoutkp or un lockkp commands Daylight Savings Time DST DST Start DST End The DST fields show whether DST is enabled and if so what the DST Start and Stop Times are For example in most of the U S A the DST Start Time is the 2nd Sunday in March at 2 a m The DST End Time is the 1st Sunday in November at 2 a m To change the DST settings use the front panel keypad display or the cntptimemodeconfig command Leap Second Mode Current Leap Seconds Future Leap Seconds Leap seconds affect NTP UTC and Local Time not GPS Time Leap second insertions occur about once every two years The Tempus LX has two different modes for handling leap seconds In auto matic leap second mode the Leap Second Mode field will show Automatic and the Current amp Future fields will show the current and future leap seconds as broadcast over the CDMA system In user en tered leap second mode the Leap Second Mode field will show User Entered 67 Tempus LX CDMA User Manual CHAPTER EIGHT To change the leap second settings use the front panel keypad display or the cdmaleapconfig com mand The Tempus LX is shipped from the factory set for the user entered mode with current and future lea
121. his BNC connector provides an optional customer specified rate output and is usually not installed If installed it will be labeled for the appropriate rate such as 10 MPPS or 100 PPS etc This output is set at the factory and cannot be changed See details in Appendix I Specifications for the Fixed Pulse Rate Output This optional DB 9M connector provides the RS 232 or RS 422 serial Option I O interface with a once per second ASCII time string output For further information refer to Appendix F Serial Time AC Power Input Jack This IEC 320 standard three prong connector provides AC power DC Power Input Block This optional 3 position terminal block provides connection to the DC power source and replaces the AC power input jack 9 esple Using the status LED indicators it s easy to find out if your Tempus LX will work in your desired location 1 Screw the TNC plug on the end of the antenna cable onto the TNC antenna input jack on the chas sis rear panel of the Tempus LX 2 Plug one end of the supplied AC power cord into an 85 270 VAC outlet 3 Plug the other end into the AC input connector on the chassis rear panel of the Tempus LX Place the antenna on a flat preferably metallic surface while the unit is searching for the signal Make sure that it is not blocked by large metallic objects closer than one meter Although the antenna should normally be installed in a vertical orientation
122. hods of using the Tempus LX with NTP clients on Unix like platforms will be described Basic This is the simplest and will operate without MDS authentication NTP beginners should always perform this setup first MDS This method is trickier only because MDS keys must be set up and distributed accurately to the NTP clients in a secure way The Tempus LX is factory configured to authenticate its replies to NTP MD5 clients using its default set of keys Broadcast Multicast This method simplifies configuration of the clients on large networks since specific server addresses need not be configured in each client s etc ntp conf file It can be config ured either with or without MDS authentication However it is highly recommended that authentica tion be configured when using broadcast multicast mode due to the relative ease with which a fake NTP server can take over the clock setting of the broadcast multicast clients on the network 23 Tempus LX CDMA User Manual Basic NTP Client Setup MD5 Authenticated NTP Client Setup CHAPTER THREE Basic setup is relatively simple if You have been able to successfully communicate with the Tempus LX on your network You have installed NTP on your client computer Configure NTP You must edit the ntp conf file which ntpd the NTP daemon looks for by default in the the etc directory Add this line to the ntp conf file server 192 168 1 245 This line tells ntpd to use the NTP server at a
123. hour mode an AM or PM indicator will appear instead of LOC Date Current month day and year Stratum The stratum field has three possible values Stratum 1 The server is fully synchronized and accurate Stratum 2 The server is synchronized to a stratum 1 server Stratum 16 The server is unsynchronized NTP clients will not use a Stratum 16 server 37 Tempus LX CDMA User Manual CHAPTER FIVE Receiver Status CDMA receiver status as follows Acquire Searching for a signal Detect A signal is detected Locking Locking to the Pseudonoise PN Code Tracking Locking to the carrier Locked Fully synchronized to signal System Status Indicates either OK or flashing FAULT A fault status indicates that one or more of the built in fault checking processes has detected an error condition See Faults Display in this chapter for more information An alternate Time Status display can be viewed by pressing the right arrow key You can go back to the original Time Status display by pressing the left arrow key 1 1 50 45 mur Main Menu Press ENTER from the Time Status display to select the Main Menu display The Main Menu pro vides access to the following displays Receiver Clock CPU I O Display Faults Network NTP Firmware and About To select one of these items use the RIGHT and LEFT keys to highlight it Then push ENTER to select the highlighted item These displays are described in detail below Receiver Menu The Re
124. ia the network serial port The newer Tempus LX models have or can have the HTTP interface capability These models have a Linux Subsystem RFS number of 6010 0044 000 The HTTP implementation in the Tempus LX uses HTTPS HTTP over SSL Secure Socket Layer SSL is a sublayer under regular HTTP HTTPS enhances security because it encrypts and decrypts the requested and returned pages from the server The HTTP implementation is built from the standard Apache 1 3 33 distribution from http httpd apache org See Appendix A Security for information on changing the default HTTP configuration and SSL certificates IMPORTANT The domain name server IP address is required by the Apache web server When using net config see Chapter 6 Control and Status Commands to configure the TCP IP parameters be sure to config ure the name server Only one name server is required two gives some redundancy The HTTP Interface will not start if this is configured incorrectly 63 Tempus LX GPS User Manual HTTP Interface Description CHAPTER EIGHT For security reasons the web pages on the Tempus LX show status information only You cannot reconfigure the Tempus LX except for upgrading firmware which is done with several security mea sures in place To reconfigure the Tempus LX you will need to use the network or serial port com mand line interface For proper operation your web browser must be configured to allow pop up windows and have Javascript
125. icates that the Local Oscillator Phase Locked Loop PLL synthesizer is either unlcoked or has failed This condition should not normally occur unless the unit is subject to out of specifica tion environmental conditions Otherwise this would be a fatal fault and the unit should be returned to the factory for repair Network Page This page shows the IPv4 network configuration Fields are DHCP By default the Tempus LX will configure itself using the Dynamic Host Configuration Protocol DHCP If you need to set up static IP configuration you must use the netconfig command via the network serial port Thie field will show whether DHCP is enabled or disabled Address Gateway Netmask These fields show the settings for the IP address gateway and netmask To change these settings use the netcon ig command via the network serial port Network IPv6 Page This page shows information related to the IPv6 network parameters If your Tempus LX does not have IPv6 then there will be no fields on this page For more information on IPv6 see Chapter 7 IPv6 Information Network DNS Page This page shows the IP address of the primary and secondary domain name servers NTP Page The NTP Status page shows all information related to NTP operation Fields are Status The stratum field has three possible values Stratum 1 The server is fully synchronized and accurate Stratum 2 The server is synchronized to a Stratum server Stratum 16 The server
126. ime Output for more information Fixed Pulse Rate Output Positive TTL pulse 50Q Rate Preset at Factory and cannot be changed Accuracy 10 to UTC for 24 hour averaging times when locked Stability lt 10 for x lt 10 seconds o 1 lt 10 t for t gt 10 seconds Connector Rear panel BNC jack labeled with appropriate rate such as 10 MPPS CE FCC Compliance RTTE Directive 99 5 EC Low Voltage Directive 73 23 EC EMC Directive 89 336 EC With Amendment 93 68 EC Supplementary Compliance Data e Safety EN 60950 1992 A1 A2 1993 A3 1995 A4 1997 A11 1998 e EMC EN 55024 1998 EN61000 3 2 1995 w A1 amp A2 98 EN61000 3 3 1995 w A1 98 EN55022 1998 w A1 00 Class A VCCI April 2000 Class A CISPR 22 1997 Class A FCC Part 15 Subpart B Section 15 109 Class A ICES 003 Class A ANSI C63 4 1992 AS NZS 3548 w A1 amp A2 97 Class A 124 Tempus LX CDMA User Manual EndRun CEE mw TECHNOLOGIES Special Modifications Changes for Customer Requirements From time to time EndRun Technologies will customize the standard Tempus LX CDMA Network Time Server for special customer requirements If your unit has been modified then this section will describe what those changes are This section is blank 125 Tempus LX CDMA User Manual SPECIAL MODIFICATIONS 126 Tempus LX CDMA User Manual EndRun TECHNOLOGIES Smarter Timing Solutions 2270 Northpoint Parkway Santa Rosa CA 95407
127. ing the console port serial network command setsigfltmask Or on the front panel keypad display go to the Receiver submenu then to SigFltMask Using Edit A very compact editor is available on the system for editing files edit If you start edit without giving it a file name to open it will display its help screen showing all supported keystrokes 21 Tempus LX CDMA User Manual CHAPTER TWO 22 Tempus LX CDMA User Manual EndRun C AA TECHNOLOGIES Chapter Three Setting Up NTP Clients on Unix like Platforms To configure your Unix like computer to use your Tempus LX you must have successfully completed the Basic Installation procedures in Chapter 2 This manual is not a How To on installing and using NTP basic approaches to NTP client configuration for operation with the Tempus LX will be described It is expected that you are or have access to a capable Unix Linux system administra tor and know more than a little about installing distributions from source code Installation must be performed by user with root priviledges on the system If you have never used NTP then you should spend some time reading the on line documents especially the Distribution Notes FAQ and Configu ration subject matter which are available at http www ntp org If you have a news server many problems may be solved by the helpful people who participate in the Internet news group devoted to NTP at comp protocols time ntp Three met
128. ion commands shown here You have installed NTP on your client computer You have successfully performed the Basic NTP Client Setup on your client computer Create the ntp keys File You must create a file named ntp keys in the winnt system32 drivers etc directory or for XP the windows system32 driversletc directory It must a copy of the one residing in the etc directory of your Tempus LX You can telnet into your Tempus LX and start an tp session with your client computer to send the Tempus LX etc ntp keys file to your client computer or use the secure copy utility scp or use a text editor to create the equivalent file Although you should first test your setup using the factory default etc ntp keys file in your Tempus LX server you should create your own keys after you understand the process and have your clients operating correctly with the default file IMPORTANT Handling of the windows system32 drivers etc ntp keys file is the weak link in the MD5 authen tication scheme It is very important that it is owned by administrator and not readable by anyone other than administrator After transferring the file make sure that its security properties are set such that it is readable only by the administrator Configure NTP You must edit the ntp conf file which ntpd exe the NTP daemon looks for by default in the the winnt system32 drivers etc directory If your NTP installation placed this file in a different p
129. ion is included without limitation in the term modification Each licensee is addressed as you Activities other than copying distribution and modification are not covered by this License they are outside its scope The act of running the Program is not restricted and the output from the Program is covered only if its contents constitute a work based on the Program independent of having been made by running the Program Whether that is true depends on what the Program does 1 You may copy and distribute verbatim copies of the Program s source code as you receive it in any medium provided that you conspicuously and appropriately publish on each copy an appropriate copyright notice and disclaimer of warranty keep intact all the notices that refer to this License and to the absence of any warranty and give any other recipients of the Program a copy of this License along with the Program You may charge a fee for the physical act of transferring a copy and you may at your option offer warranty protection in exchange for a fee 2 You may modify your copy or copies of the Program or any portion of it thus forming a work based on the Program and copy and distribute such modifications or work under the terms of Section 1 above provided that you also meet all of these conditions a You must cause the modified files to carry prominent notices stating that you changed the files and the date of any change 102 Tempus LX CDMA User
130. ion maintained by your DHCP server to determine the expected IP ad dress and log in to the Tempus LX using telnet or ssh to verify successful DHCP configuration Refer to the subsequent topics in this section Using Telnet and Using SSH for details on logging in to the Tempus LX that way Once you have logged in you may perform the following checks If you are not using DHCP the IP address shown should match the static IP address which you entered during the netconfig procedure If so log in as root at the login prompt and check the other configuration parameters using ifconfig Tempus LX CDMA root cntp gt ifconfig etho Link encap Ethernet HWaddr 00 0E FE 00 00 34 inet addr 192 168 1 245 Bcast 192 168 1 247 Mask 255 255 255 248 UP BROADCAST RUNNING MULTICAST MTU 1500 Metric 1 RX packets 3779 errors 0 dropped 0 overruns 0 frame 0 TX packets 727 errors 0 dropped 0 overruns 0 carrier 0 collisions 0 txqueuelen 100 Interrupt 5 Base address 0x300 lo Link encap Local Loopback inet addr 127 0 0 1 Mask 255 0 0 0 UP LOOPBACK RUNNING MTU 3924 Metric 1 RX packets 170 errors 0 dropped 0 overruns 0 frame 0 TX packets 170 errors 0 dropped 0 overruns 0 carrier 0 collisions 0 txqueuelen 0 Pay particular attention to the settings shown for etho and in particular the Mask setting which should match that which is appropriate for your network Now check the remaining configuration parameters using route Tempus LX CDMA root cntp gt rout
131. ion of the NTP server By default the Tempus LX is configured to respond to NTP requests from clients that may or may not be using MDS authentication If the clients are using MDS authentication they must be con figured properly with the same MDS authentication keys as the Tempus LX If you need to modify the factory default Tempus LX MD5 keys recommended or set up broadcast multicast operation then you will need to reconfigure the NTP subsystem You may perform the configuration from either a telnet or ssh session the front panel keypad or the local RS 232 console 18 Tempus LX CDMA User Manual BASIC INSTALLATION If you would like to configure your server for multicast operation configure it as you would for broadcast operation with the exception that you must enter this specific NTP multicast address 224 0 1 1 when you are prompted to enter the broadcast address Configuring NTP Using the Front Panel Keypad To configure NTP using the front panel keypad go to the Main Menu display Press the RIGHT ar row key until the NTP selection is highlighted Press ENTER again Press the RIGHT arrow key to highlight Setup and press ENTER From this display you can configure broadcast multicast mode You can also select previously configured MDS authentication keys from this display How ever to configure new keys you will need to run ntpconfig Configuring NTP Using the Network Interface or Serial Port The following is a transcrip
132. ion time synchronization must remain within 10 microseconds of GPS time over periods as long as twenty four hours during which GPS satellite signals might not be available typically due to antenna cable 1 Tempus LX CDMA User Manual Where to Use It Main Features CHAPTER ONE failure damage or vandalism and in an environment where large ambient temperature swings may occur Equipment capable of meeting these requirements is at the current state of the art The CDMA time and frequency engine in the Tempus LX receives the same initialization signals transmitted by the base stations that are used by the mobile telephones to establish their synchro nization to system time The mobile telephones cannot communicate in the system until they have established synchronization with the received spread spectrum encoded waveform Unlike the mo bile telephones once this synchronization has occurred the CDMA time and frequency engine in the Tempus LX has all of the information that it needs to perform its function of delivering accurate UTC time to a network of computers The mobile telephone must decode much more information estab lish two way communications with the base station and be a paid subscriber to performs its function of placing and receiving calls All of this means that during normal operation the quality of the timing information being trans mitted from each of the base stations is virtually a repeat of that directly obtainable from
133. is unsynchronized NTP clients will not use a Stratum 16 server Source This field will show the source of time which is usually CDMA If the Tempus LX is configured as a Stratum 2 server then it will show the IP address of the upstream server Offset This field shows the offset in seconds between the NTP system clock and the CDMA Subsystem clock Positive implies that the NTP system clock is ahead of the CDMA Subsystem clock 69 Tempus LX CDMA User Manual Disabling The HTTP Protocol CHAPTER EIGHT Leap Indicator Bits This field shows whether a leap second is pending Leap seconds occur every 2 3 years Possible values for this field are NONE INSERT DELETE or FAULT NONE No fault and no pending leap second INSERT No fault and a leap second insertion is pending DELETE No fault and a leap second deletion is pending FAULT Unsynchronized fault condition exists PTP Page The fields on this page show the status for the optional PTP IEEE 1588 protocol If your Tempus LX does not have PTP then there will be no information on this page The data shown will depend on whether PTPv1 or PTPv2 has been selected For more information on and an explanation of the data fields on this page see Appendix H Precision Time Protocol PTP IEEE 1588 Firmware Page The firmware status page shows part numbers and versions of the Linux Subsystem firmware root file system and kernel and the CDMA Subsystem firmware Linux Subsystem Upgrade
134. ise code chips AGC is the automatic gain control DAC byte 0 to 255 with larger numbers implying higher RF gain Typical range is 150 to 220 VCDAC _ is the upper 16 bits of the TCXO voltage control DAC word 0 to 65535 with larger numbers implying higher TCXO frequency Typical range is 20000 to 38000 SN R is the carrier signal to noise ratio 0 00 to 99 9 measured in the CDMA sync channel symbol rate bandwidth Typical range is 2 5 to 11 0 FERR is the CDMA sync channel frame error rate 0 000 to 1 000 with a higher number implying more Cyclical Redundancy Check CRC failures when processing the sync channel message frames Higher numbers will correlate with lower signal to noise ratios FLTS is the fault status which displays the current summary status of the CDMA Subsystem The summary status is contained in sixteen bits which are displayed in four hexadecimal characters Assertion of any of these bits will also be indicated by illumination of the red LED Each bit of each character indicates the status of a subsystem component C Jes Os Jeo Char 0 FLASH Write FPGA Config No Signal DAC Control Fault Fault Time Out Over Range No Polling Events Time Input Fault Local Osc Fault DAC Control Over Range This bit indicates that the electronic frequency control DAC for the oscillator has reached either the high 55000 or low 10000 limit while locked to the CDMA sig nal Unless the unit is being subjected to out
135. ium stability oven oscillator MS OCXO Rubidium oscillator Rb Signal Loss Fault Mask This setting allows you to prevent a signal loss fault from creating an alarm condition Some installa tions may need to mask this fault when operating the NTP server as a Stratum 2 server 39 Tempus LX CDMA User Manual CHAPTER FIVE Clock Menu The Clock Menu provides access to the parameters related to timekeeping These are Time Mode Local Offset Hours Format Leap Seconds and Daylight Savings Time These displays are all de scribed below Time Mode Time mode defines the time format used for the front panel time display and if installed the optional time code output or Serial Time output The time mode does not affect the NTP output which is always UTC Possible values for the time mode are GPS UTC and local time GPS time is derived from the GPS satellite system UTC is GPS time minus the current leap second correction Lo cal time is UTC plus local offset and Daylight Savings Time DST The options for local time are Local Auto and Local Manual Local Auto derives the local offset and DST from the information embedded in the CDMA timing signal Local Manual derives the local offset and DST from informa tion entered by the user The local offset and daylight savings time displays are described below Local Offset Local offset is used in calculating the current local time when the time mode is set to local see time mode above When the
136. kkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk PTP Sync Interval Configuration Set the PTP Sync Interval in seconds 1 or 2 1 PTP announce interval Configuration Set the PTP Announce Interval in seconds 1 2 4 8 16 16 PTP Priorityl Configuration Set the Priorityl value 0 255 127 PTP Priority2 Configuration Set the PTP Priority2 value 0 255 128 PTP Delay Mechanism E2E or P2P Set the PTP Delay Mechanism E2E or P2P P2P PTP Domain Configuration Set the PTP Domain value 0 255 0 PTP Time Mode Configuration Set the PTP Time Mode UTC or PTP UTC PTP TTL Configuration Set the PTP TTL value 1 255 1 112 Tempus LX CDMA User Manual PTP IEEE 1588 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk The Tempus LX CDMA Precision Time Protocol IEEE 1588 V2 configuration has been updated Please re boot now for the changes to take effect kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Now reboot the system by issuing this command at the shell prompt shutdown r now PTPv2 Status Using the Network or Serial Port T
137. kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk root cntp your domain s password Here you may log in as root with password 1 After correctly entering the password the sign on message is shown It identifies the host system as Tempus LX and shows the software part number version and build date Tempus LX CDMA 6010 0042 000 v 1 00 Fri Aug 20 14 17 44 UTC 2004 Tempus LX CDMA root cntp gt This last line is the standard Tempus LX CDMA shell prompt The Tempus LX uses the bash shell which is the Linux standard full featured shell After configuring the unit you should change the passwords using the centppasswd command issued from the shell prompt Issuing exit will close the ssh session Using HTTP You may monitor the status of the Tempus LX via the HTTP interface For security reasons you may not change any settings via the HTTP interface See Chapter 8 HTTP Interface for more informa tion IMPORTANT SSH Telnet SNMP and HTTP are all enabled with default passwords To ensure security change the pass words or disable the protocols To change the passwords for SSH Telnet and HTTP use the gntppasswa command To change the passwords community strings for SNMP see Appendix C SNMP To disable Telnet use the inetacon ig command To disable SSH SNMP and HTTP see Appendix A Security Now that the network has been configured and tested you may configure the operat
138. lace you must find it and edit it For example XP uses windows system32 drivers etc Add these lines to the end of the ntp conf file keys winnt system32 drivers etc ntp keys trustedkey 1 2 Modify the line added previously in Basic NTP Client Setup so that authentication will be used with the Tempus LX server using one of the trusted keys in this case key 1 server 192 168 1 245 key 1 Restart ntpd exe to have it begin using the Tempus LX server with MDS authentication By de 31 Tempus LX CDMA User Manual Broadcast Multicast NTP Client Setup CHAPTER FOUR fault the NTP installation program installs ntpd exe as a service called Network Time Protocol and starts it You must use the Services utility in Control Panel to stop the Network Time Protocol service and then restart it Use the NTP utility ntpq exe to check that ntpd exe is able to communicate with the Tempus LX By default it is installed in the Program Files Network Time Protocol sub directory of your Windows NT 2000 XP partition From a console window after issuing the command ntpq you will see the ntpq exe command prompt ntpq gt Use the command peers to display the NTP peers which your computer is using One of them should be the Tempus LX server which you have just configured You should verify that it is being reached You may have to continue issuing the peers command for a minute or two before you will see the reach count increment
139. layed Query cdmaleapmode Tempus LX response CDMA Leap Second Mode is USER Current LS 13 Future LS 13 48 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS cdmastat This command allows the user to query the status of the CDMA Subsystem During normal opera tion the NTP daemon polls the CDMA Subsystem every 16 seconds The results of this poll are used to steer the system clock and are saved to a log file This command parses and formats the data contained therein and prints this fixed length string having these fields LKSTAT TFOM YEAR DOY HH MM SS sssssssss LS S C PNO AGC VCDAC SN R F ERR FLTS Where LKSTAT is the tracking status of the CDMA Subsystem either LOCKED NOTLKD TFOM A detailed explanation of TFOM is in Appendix E Time Figure of Merit Briefly TFOM indicates clock accuracy where time error is lt 100 us time error is lt 1 ms time error is lt 10 ms time error is gt 10 ms unsynchronized state if never locked to CDMA I YEAR is the year of the UTC timestamp of the most recent NTP polling request received by the CDMA Subsystem from the NTP reference clock driver DOY is the day of year of the UTC timestamp of most recent NTP polling request received by the CDMA subsytem from the NTP reference clock driver HH MM SS sssssssss is the hour minute second subsecond UTC timestamp of the most recent NTP polling request received by the CDMA Subsystem from the NTP daemon
140. ld 2 20 Day 01 to 31 Field 3 05 Month 01 to 12 Field 4 2008 Year 1980 to 2079 Field 5 07 Local zone hour offset from UTC for east longitude Field 6 00 Local zone minutes offset from UTC Checksum 69 Msg End lt CR gt lt LF gt 99 Tempus LX CDMA User Manual APPENDIX F 100 Tempus LX CDMA User Manual EndRun C ANN I TECHNOLOGIES GNU General Public License AppendixG Third Party Software The Tempus LX is running several different software products created and or maintained by open source projects Open source software comes with its own license These are printed out for your information below The license for the GNU software project requires that we provide you with a copy of all source code covered under the GNU Public License GPL at your request Please contact us with your request and we will mail it to you on a CD We will charge you a fee for our incurred expenses as allowed for in the license GNU GENERAL PUBLIC LICENSE Version 2 June 1991 Copyright C 1989 1991 Free Software Foundation Inc 51 Franklin Street Fifth Floor Boston MA 02110 1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document but changing it is not allowed Preamble The licenses for most software are designed to take away your freedom to share and change it By contrast the GNU General Public License is intended to guarantee your freedom to share and change free software to mak
141. ledgments normally appear 4 The names Apache and Apache Software Foundation must not be used to endorse or promote products derived from this software without prior written permission For written permission please contact apache apache org X X KF X 5 Products derived from this software may not be called Apache nor may Apache appear in their name without prior written permission of the Apache Software Foundation THIS SOFTWARE IS PROVIDED AS IS AND ANY EXPRESSED OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE This software consists of voluntary contributions made by many individuals on behalf of the Apache Software Foundation For more information on the Apache Software Foundation please see lt
142. me Protocol will be assumed in the example configuration commands shown here You have installed NTP on your client computer 24 Tempus LX CDMA User Manual SETTING UP NTP CLIENTS ON UNIX LIKE PLATFORMS You have successfully performed the Basic NTP Client Setup on your client computer Create the ntp keys File You must create file named ntp keys in the etc directory It must be a copy of the one residing in the etc directory of your Tempus LX You can telnet into your Tempus LX and start an ftp ses sion with your client computer to send the Tempus LX s etc ntp keys file to your client computer use the secure copy utility sep or you can just use a text editor on your client computer to create an equivalent file IMPORTANT Handling of the etc ntp keys file is the weak link in the MD5 authentication scheme It is very impor tant that it is owned by root and not readable by anyone other than root After transferring the file by tp and placing it in the etc directory on the client computer issue these two commands at the shell prompt chown root root etc ntp keys chmod 600 etc ntp keys Configure NTP You must edit the ntp conf file which ntpd the NTP daemon looks for by default in the etc directo ry Assuming that you have created two trusted keys as shown in the example in the previous chapter add these lines to the end of the ntp conf file keys etc ntp keys trustedkey 1 2 Modify the line added pre
143. me message will appear Press any key to go to the Time Status display which is described under the heading Detailed Display Descriptions From the Time Sta tus display press ENTER or DOWN arrow to go to the Main Menu As illustrated in the diagram above several status and setup displays are accessible from the Main Menu To traverse downward through the tree use the RIGHT and LEFT arrow keys to highlight a selection and then press ENTER To traverse back up the tree press BACK or UP arrow to return to the previous display Editing To modify a parameter traverse to the appropriate display and push EDIT This will cause the edit display to appear Within the edit display the modifiable parameter value is highlighted Use UP and DOWN to scroll through all the possible parameter values When editing a sequence of numbers use LEFT and RIGHT to select other digits When the parameter is correct press ENTER to load the new value All entered values are stored in non volatile FLASH and restored after a power cycle If you wish to abort the edit process press BACK This operation returns you to the previous display and the parameter will remain unchanged 36 Tempus LX CDMA User Manual Detailed Display Descriptions FRONT PANEL KEYPAD AND DISPLAY Keypad EDIT Lockout As a security feature the Network Administrator can disable all editing processes done through the front panel keypad This action should be performed to prevent unauthorized m
144. n the time mode is set to local manual When the time mode is local auto this display has no effect because DST informa tion is derived from the CDMA system When the time mode is local manual this display will allow the user to enable or disable DST by pressing EDIT If DST is disabled then any previously set start and stop times will be ignored If DST is enabled then the start and stop times can be set by pressing the arrow keys to scroll and then ENTER DST is active within the start stop interval and adds one hour to the local time If DST is active the display will show an active indicator 40 Tempus LX CDMA User Manual FRONT PANEL KEYPAD AND DISPLAY CPU 1 0 Menu The CPU I O Menu is an optional menu selected from the Main Menu It provides access to the 1PPS pulse width AM Code format and Programmable TTL setting This menu will only be dis played if one of these optional outputs is installed 5 Output Setup The optional IPPS Setup display allows you to select the pulse width for the IPPS output Fac tory default is normally 1 millisecond wide See details in Appendix I Specifications for the 1PPS Output Time code Output Setup The optional Code Out display allows you to select the time code format Factory default is normally IRIG B122 See details in Appendix I Specifications for the AM Code Output Programmable TTL Output Setup The optional Programmable TTL Output provides user selectable on time pulse rates from 1P
145. n to copy distribute and or modify the software Also for each author s protection and ours we want to make certain that everyone understands that there is no warranty for this free software If the software is modified by someone else and passed on we want its recipients to know that what they have is not the original so that any problems intro duced by others will not reflect on the original authors reputations Finally any free program is threatened constantly by software patents We wish to avoid the dan ger that redistributors of a free program will individually obtain patent licenses in effect making the program proprietary To prevent this we have made it clear that any patent must be licensed for everyone s free use or not licensed at all The precise terms and conditions for copying distribution and modification follow GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING DISTRIBUTION AND MODIFICATION 0 This License applies to any program or other work which contains a notice placed by the copyright holder saying it may be distributed under the terms of this General Public License The Program below refers to any such program or work and a work based on the Program means either the Program or any derivative work under copyright law that is to say a work containing the Program or a portion of it either verbatim or with modifications and or translated into another language Herein after translat
146. nd it is sent once each second lt SOH gt DDD HH MM SSQ lt CR gt lt LF gt lt SOH gt is the ASCII Start of Header character 0x01 DDD is the day of year is the colon character 0x3A HH is the hour of the day MM is the minute of the hour SS is the second of the minute Q is the time quality indicator and may be either lt space gt ASCII space character 0x20 which indicates locked ASCII question mark 0x3F which indicates the unsynchronized condition lt CR gt is the ASCII carriage return character 0x0D and is the on time character transmitted during the first millisecond of each second lt LF gt is the ASCII line feed character 0x0A 95 Tempus LX CDMA User Manual Truetime Format EndRun Format APPENDIX F The format of the Truetime string is identical to the Sysplex format The only difference between the two is that the Sysplex format always uses UTC time The time contained in the Truetime format depends on the time mode of the Tempus LX See Time Mode in Chapter 5 Front Panel Key pad and Display and gntptimemodeconfig in Chapter 6 Control and Status Commands For example if you want an output with this string format that uses Local Time then select the Truetime format The time contained in this string depends on the time mode of the Tempus LX For example if you want the time in this string to be UTC then set the time mode of the Tempus LX to UTC See Time Mode in Chapter 5 Front Panel Key
147. nd the unit should be returned to the factory for repair Network4 Setup This display is selected from the Main Menu and provides the ability to view and modify the IPv4 network settings The parameters include Dynamic Host Configuration Protocol DHCP IP address gateway and netmask settings Enable DHCP to allow automatic system configuration of the network interface When DHCP is disabled the user must provide address information 42 Tempus LX CDMA User Manual FRONT PANEL KEYPAD AND DISPLAY Network Setup Optional This display is only available if your Tempus LX has been configured with IPv6 It is selected from the Main Menu and provides the ability to view and modify the IPv6 network settings Refer to Chapter 7 IPv6 Information NTP Menu The NTP Menu is selected from the Main Menu and provides access to the NTP Status and NTP Setup displays described below NTP Status This display provides information associated with the NTP subsystem NTP STATUS Stratum 1 Offset 0 000007 sec Source Leap None Stratum This stratum field has three possible values Stratum 1 The server is fully synchronized and accurate Stratum 2 The server is synchronized to a stratum server with IP address shown in Source Stratum 16 The server is unsynchronized NTP clients will not use a Stratum 16 server Source The synchronization source is named here For the Tempus LX CDMA the source is CDMA IP address of
148. ndix Precision Time Protocol TEEE 1588 for more information cpuopts This command displays the current settings for the installed CPU Options Query cpuopts Tempus LX response CPU Option TIME CODE is installed Current Setting IRIG B122 cpuoptsconfig This command starts an interactive shell script that will allow the root user to change the settings of any installed CPU Options The user selectable options are 1PPS AM Code and Programmable TTL Set cpuoptsconfig Tempus LX response Interactive shell script is started cpusertime This command displays the current settings for the optional Serial Time Output Settings for the three NMEA sentences are always shown but are only applicable if you have selected NMEA as the output format setting More information about the various formats is in Appendix F Serial Time Output Query cpusertime Tempus LX response Current Serial Time Output Baud Rate Setting 9600 Current Serial Time Output Format Setting Sysplex Current Serial Time Output Parity Setting Odd Current NMEA Sentence 1 Setting ZDA Current NMEA Sentence 2 Setting NONE Current NMEA Sentence 3 Setting NONE 54 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS qpusertimeconfig This command starts an interactive shell script that will allow the root user to change the settings of the optional Serial Time Output The user selectable outputs are the format Sysplex Truetime EndRun EndRunX NENAO
149. ndrun 1 rocommunity TempusLXUnison To have your Tempus LX send SNMPvI traps RFC 1215 you must configure the community and destination for SNMPv1 traps by uncommenting and editing this line in etc snmpd conf trapsink XXX XXX XXX XXX trapcommunity trapport where trapcommunity should be replaced by your community and xxx xxx xxx xxx is the IP address or hostname of the destination host for receiving the traps generated by the Tempus LX By default the trap will be sent to port 162 You may optionally add another parameter trapport to the end of the above line to override the default port setting Otherwise leave it blank Note Though the agent will recognize multiple trapsink lines within etc snmpd conf and send the generic SNMP coldStart or authenticationFailure traps to each destination the enterprise trap genera tion mechanism of the Tempus LX will only send a trap to the last declared trapsink in the file To have your Tempus LX send SNMPv2c notifications SMIv2 RFC 2578 or informs you must configure the communities and destinations by uncommenting and editing one or both of these lines in etc snmpd conf trap2sink XXX XXX XXX XXX trap2community trap2port informsink XXX XXX XXX XXX informcommunity informport where trap2community and informcommunity should be replaced by your communities and XXX XXX XXX XXX S the IP address or hostname of the destination host for receiving the notifica tions or informs generated by th
150. need to edit these two files directly and then copy them to the boot etc directory See Using Edit above Be careful to maintain the proper ownership and access permissions by using cp p when copying the files To control access via HTTP the user must edit the etc apache httpd conf file and add the equivalent deny followed by allow directives For example the default file contains these lines Controls who can get stuff from this server Order allow deny Allow from all lt Directory gt To restrict access to a specific host with IP address xxx xxx xxx xxx you would modify the directives as 50 Controls who can get stuff from this server Order allow deny Deny from all Allow from xxx xxx xxx xxx lt Directory gt You may completely disable any of the following protocols Telnet TIME DAYTIME SSH SNMP and HTTP Disable Telnet TIME and DAYTIME To disable Telnet TIME and DAYTIME use the inetdconfig command inetdconfig modi fies the etc inetd conf file which is read by inetd to start up various protocol server daemons when requests from remote hosts are received Currently three servers are configurable via inetdcon fig TIME and DAYTIME whose daemons are contained within the inetd daemon itself and in telnetd Any one or all of these may be enabled or disabled for start up Disable SNMP and HTTP To disable SNMP and HTTP edit a system start up script called etc rc d rc local This script starts sever
151. ng IPv6 then there is little or need or benefit to changing to syslog ng IPv4 Only Protocols There are several protocols which are not IPv6 capable telnet client and server http ftp and dhcpcd Due to their intrinsic insecurity te1net and tp are repidly being deprecated and prob ably have little business running over an IPv6 network The address autoconfiguration capabilities of IPv6 make the DHCP protocol less important however it 1s likely that the new dhepve capability will appear in a future upgrade 62 Tempus LX CDMA User Manual EndRun C VAN I TECHNOLOGIES ChapterEight HTTP Interface This chapter briefly describes the HTTP interface that resides on the Tempus LX CDMA Time Server The HTTP interface to the Tempus LX is a fast and easy to use graphical interface that is compliant with your standard web browser Simply point your browser to the IP address of the Tempus LX and login securely with HTTP Security conscious customers may disable the HTTP interface see the end of this appendix for instructions Note The HTTP interface is not IPv6 compliant The HTTP interface is not available in older Tempus LX models If you have an older model you may want to contact EndRun for information on how to upgrade your Tempus LX to be HTTP ca pable The older models have a Linux Subsystem root file system RFS number of 6010 0042 000 To see the number go to Firmware on the front panel display or enter the cntpversion command v
152. ng Prolotols uon daba 73 Disable Telnet TIME and DAYTIME 73 Disable SNMP and HTTP 73 Disable SSH 74 e Seana Prete 74 Network Time Protocol 75 ain 76 Appendix B Upgrading the Firmware 77 Upgrade Via The HTTP Interface 7 Upgrade Via The Network Serial Port 79 Performing the Linux Subsystem Upgrade 79 Recovering from a Failed Upgrade 80 Performing the Linux Kernel Upgrade 81 Performing the CDMA Subsystem Upgrade 82 Problems with the CDMA Subsystem Upgrade 83 Recover C IPIE erates a A dt dise a dires 83 Appendix C Simple Network Management Protocol SNMP 85 ne DER e LL Eee ee 85 Enterprise Management Information Base MIB 85 Invocation of the SNMP daemon
153. nge This bit indicates that the electronic frequency control DAC for the oscillator has reached either the high 55000 or low 10000 limit while locked to the CDMA signal Unless the unit is being subjected to out of specification environmental conditions this would indicate that the oscillator frequency has drifted near to the end of life region This should normally only occur after about ten years of operation The unit will continue to function until the oscillator frequency finally reaches one of the actual DAC endpoints The unit should be returned to the factory for oscillator replacement at the customer s convenience No Polling Events This fault indicates that the CDMA subsystem is not receiving polling requests from the NTP subsystem This could be due to a hardware or software failure If the condition persists after cycling the power to the unit this is a fatal fault and the unit should be returned to the factory for repair Time Reference This fault indicates that the microprocessor has received an erroneous time input from the CDMA receiver Do NOT do a power cycle in an attempt to clear this fault If the condition persists please report it to the factory 1 877 749 3878 Synthesizer Fault This fault indicates that the Local Oscillator Phase Locked Loop PLL synthesizer has failed This condition should not normally occur unless the unit is subjected to out of specification environmental conditions This is a fatal fault a
154. nization Accuracy Network factors can limit LAN synchronization accuracy to 1 2 to 2 milliseconds typical Supported IPv4 Protocols SNTP NTP v2 v3 v4 and broadcast multicast mode MDS authentication and autokey SSH server with secure copy utility SCP SNMP v1 v2c v3 with Enterprise MIB TIME and DAYTIME server TELNET client server FTP client DHCP client SYSLOG HTTP Supported IPv6 Protocols SNTP NTP v2 v3 v4 and broadcast multicast mode MDS authentication and autokey SSH server with secure copy utility SCP SNMP v1 v2c v3 with Enterprise MIB TIME and DAYTIME server SYSLOG See Chapter 7 IPv6 Information for more details Optional PTP IEEE 1588 Grandmaster TEEE 1588 2002 V1 and IEEE 1588 2008 V2 PTP Timestamp Resolution 1 microsecond PTP Slave Synchronization Accuracy to the Grandmaster 10 microseconds typical network topology dependent Note See Appendix H Precision Time Protocol for more information Power 90 264 VAC 47 63 Hz 0 5 A Max 120 VAC 0 25 A Max 240 VAC 110 370 VDC 0 5A Max 120 VDC 3 Pin IEC 320 on rear panel 2 meter line cord is included 122 Tempus LX CDMA User Manual SPECIFICATIONS DC Power option 38 72 Vdc 1 5A maximum 3 position terminal block on rear panel DC IN SAFETY GROUND DC IN Floating power input Either or can be connected to earth ground Size Chassis 1 75 H x 17 0 W x 10 75 D Antenna 2 Dia at
155. not be executed A very compact editor is available on the Tempus LX called edit If you start edit without giving it a file name to open it will display its help screen showing all supported editing keystrokes IMPORTANT After editing etc rc d rc local you must copy it to the Doot etc rc d directory and reboot the system It is very important to retain the access mode for the file so be sure to use when performing the copy During the boot process the files contained in the boot etc rc d directory are copied to the work ing etc rc d directory on the system RAM disk In this way the factory defaults are overwritten 89 Tempus LX CDMA User Manual APPENDIX C 90 Tempus LX CDMA User Manual EndRun DES T TECHNOLOGIES AppendixD Leap Seconds The front panel display of your Tempus LX can operate in three different time modes GPS UTC and Local The Network Time Protocol NTP always uses UTC for its time mode Both UTC and Local times are affected by leap seconds This is an additional second that is inserted into UTC in order to keep it in agreement with the Earth 5 rotation Leap seconds may only be inserted at UTC midnight on June 30th or on December 31st Leap second insertions or transitions occur about every 2 years Your Tempus LX can automatically get the leap second information from the CDMA transmissions However some of the CDMA providers have not implemented this to the level of precision needed for
156. odification of the instrument When the EDIT key has been disabled a warning message will appear whenever a user tries to edit a parameter To enable the lockout feature use the lockoutkp command as described in Chapter 6 Control and Status Commands The lockout feature will prevent editing only the displays are always available for viewing Using Help Press HELP at any time to read the context sensitive help messages Most Help messages have much more information than can be viewed within the two line display Use UP and DOWN to scroll through the help message Press the HELP key a second time to exit Help or press BACK Shortcut Menu The Shortcut Menu allows the user quick access to particular displays from the Time Status display The displays available through the Shortcut Menu are the Receiver Status display the Faults display and the NTP Status display To select the Shortcut Menu press ENTER for one second while view ing the Time Status display Time Status The Time Status display provides all the information necessary to determine that the instrument is working correctly 2 AO i 15 U 15 2003 Receiver Locked x i c Stratum 1 Sys Stat OK Time of Day The large numeric digits shown on the left side of the display indicate the current time of day Time Mode The indicator next to the time digits identifies the time mode as being UTC GPS or LOC for local time If the user selects local time in the 12
157. of the trusted keys it is using for broadcast multicast operation The example Tempus LX configuration shown in Chapter 2 Configuring the Network Time Protocol will be assumed in the example configuration commands shown here 32 Tempus LX CDMA User Manual SETTING UP NTP CLIENTS ON WINDOWS NT 4 0 2000 XP You have installed NTP on your client computer You have successfully performed the MD5 Authenticated NTP Client Setup on your client com puter if you plan to use MDS authentication Configure NTP Client for Broadcast You must edit the ntp conf file which ntpd exe the NTP daemon looks for by default in the the winnt system32 drivers etc directory or for XP the windows system32 drivers etc directory As suming that your Tempus LX server has been configured to use key 2 for broadcast authentication as shown in the example in chapter 2 make sure that key 2 is included in the trustedkey line and add this line to the end of the ntp conf file broadcastclient If you are not using MDS authentication you would add these lines disable auth broadcastclient You may remove the line added previously in Basic NTP Client Setup server 192 168 1 245 or the authenticated version added 5 Authenticated NTP Client Setup server 192 168 1 245 key 1 Configure NTP Client for Multicast You must edit the ntp conf file which ntpd exe the NTP daemon looks for by default in the the winnt system32 drivers etc directory or for XP
158. oftware refer to the OpenSSH website http www openssh com An excellent book which describes operation and configuration of the various SSH implementations including OpenSSH is available from O Reilley amp Associates SSH The Secure Shell Barrett amp Silverman O Reilley amp Associates 2001 In the interest of conserving scarce system memory resources only the secure shell server daemon sshd and the secure copy utility sep are implemented in the Tempus LX This means that users on remote hosts may log in to the Tempus LX via an ssh client but users logged in on the Tempus LX are unable to log in to a remote host via ssh Since sep runs in concert with an ssh client the same limitations exist for its use i e users on remote hosts may transfer files to and from the Tempus LX via sep over ssh but users logged in on the Tempus LX are unable to transfer files to and from a remote host via scp over ssh The factory configuration contains a complete set of security keys for both SSH1 and SSH2 versions of the protocol RSA keys are supported by both versions and DSA keys are supported when using the SSH2 version In addition the Tempus LX is factory configured with a set of public keys for passwordless public key authentication of the root user To use this capability the corresponding set of private keys for each of the two SSH versions are provided in the boot root directory of the Tempus LX Three files contain these keys i
159. ole with integral 12 ft RG 58 U cable and TNC plug Extension cables and low noise pre amplifiers are available as options Local Oscillator TCXO is standard 2 5 x 10 over 20 to 70 C Options Medium Stability OCXO 4x10 over 0 to 70 C Rubidium 1x10 over 20 to 70 C Stratum Holdover Performance 24 Hours TCXO 35 Days MS OCXO 140 Days Rubidium Time to Lock lt 5 minutes typical TCXO lt 10 minutes typical MS OCXO Rb Alphanumeric Display Keypad Display Brilliant 16x280 dot matrix vacuum fluorescent Keypad Enter Back Edit Right Left Up Down Help Network I O Rear panel RJ 45 jack AMD PC Net Fast III 10 100Base T ethernet System Status Indicator Sync LED Green LED pulses to indicate CDMA acquisition and lock status Network LED Amber LED indicates network activity Alarm LED Red LED indicates a fault condition Maintenance Console Signal I O port at RS 232 levels for secure local terminal access Parameters 19200 baud 8 data bits no parity 1 stop bit Connector Rear panel DB 9M connector labeled RS 232 Pinout is shown below Note For operational details see Chapter 6 Control and Status Commands 121 Tempus LX CDMA User Manual APPENDIX Synchronization Accuracy Receiver Accuracy lt 10 microseconds to UTC when locked typical NTP Timestamp Accuracy lt 10 microseconds 200 packets second 200 000 clients NTP Client Synchro
160. olon character 0x3A HH is the hour of the day 00 23 MM is the minute of the hour 00 59 SS is the second of the minute 00 60 d is the DST indicator S I D O ZZ or time zone offset relative to UTC 00 12 lt CR gt is the ASCII carriage return character 0x0D The first lt CR gt is the on time character lt LF gt is the ASCII line feed character 0x0A The National Marine Electronics Association NMEA has developed a specification that defines the interface between various pieces of marine electronic equipment This standard defines sentences that contain GPS position navigation time and other information Sentences that have been added to the Tempus LX product line are GGA GLL GSA RMC VTG and ZDA However position and navigation information is not available in a CDMA Synchronized product so the only sentence that has been fully implemented is ZDA time and date information ZDA Time and Date The ZDA sentence identifies the time associated with the current 1PPS pulse Each sentence is transmitted within 500 milliseconds after the 1PPS pulse is output and tells the time of the pulse that just occurred If the Tempus LX is unsynchronized then this sentence will be composed of null fields Examples are below GPZDA 48 lt CR gt lt LF gt GPZDA 175658 00 20 05 2008 07 00 69 lt CR gt lt LF gt Msg ID GPZDA is the on time character Field 1 175658 00 UTC time at 1PPS hhmmss ss Fie
161. on but definitely not the full scope of possibilities To access your Tempus LX via v3 of SNMP you will have to configure two files etc snmpd conf boot net snmp snmpd conf The first file contains static configuration parameters that the agent uses to control access and to de termine where to send notifications traps Other aspects of the agent s operation are also configurable in this file but you should not need to modify those To use the SNMPv3 capabilities of the Tempus LX you must first set up user information and access limits for those users in etc snmpd conf Un comment and edit these two lines to define your v3 users and their access parameters rwuser root priv 1 rouser ntpuser auth 1 3 6 1 4 1 13827 The first line defines a SNMPv3 read write user root whose minimum security level will be authenti cated and encrypted for privacy choices are noauth auth and priv and who will have read write ac cess to the entire iso 1 branch of the SMI object tree The second line defines a SNMPv3 read only user ntpuser whose minimum security level will be authenticated but not encrypted and who will have read only access to the entire iso org 3 dod 6 internet 1 private 4 enterprises 1 endRun TechnologiesMIB 13827 branch of the SMI object tree After adding the user lines to etc snmpd conf copy it to the boot etc directory using cp p The second file is located on the non volatile FLASH disk and is used by the SNMP agent
162. ould you like to create a new ntp keys file yles n o y You will be prompted for a key number 1 65534 then the actual key When you have entered all of the keys that you need enter zero at the next prompt for a key number MD5 keys may contain from 1 to 31 ASCII characters They may not contain SPACE TAB LF NULL or characters 19 Tempus LX CDMA User Manual CHAPTER TWO Enter a key number 1 65534 or 0 to quit 1 Enter the key 1 31 ASCII characters EndRun Technologies LLC Writing key number 1 and Key EndRun_Technologies_LLC to ntp keys Enter a key number 1 65534 or 0 to quit 2 Enter the key 1 31 ASCII characters Tempus CDMA Writing key number 2 and Key Tempus_CDMA to ntp keys Enter a key number 1 65534 or 0 to quit 0 NTP Authentication Configuration Do you want authentication enabled using some or all of the keys in the ntp keys file yles nlo y You will be prompted for key numbers 1 65534 that you want NTP to trust The key numbers you enter must exist in your ntp keys file If you do not want to use some of the keys in your ntp keys file do not enter them here NTP will treat those keys as untrusted Clients that use any of the trusted keys in their NTP polling packets will receive authenticated replies from the Tempus LX CDMA When you have entered all of the trusted keys that you need enter zero at the next prompt for a key number Enter a trusted
163. p seconds set appropriately You will need to change this setting the next time a leap second is pending Refer to Appendix D Leap Seconds for further information 1 0 Page This page shows any installed CPU Options and their settings These are optional outputs that are generated from the CPU Module in the Tempus LX A basic Tempus LX Time Server has no CPU Options installed Possible options are a 1PPS Output an AM Code Output a Programmable TTL Output and a Serial Time Output Use the front panel keypad display or commands cpuoptscon fig and cpusertimeconfig to change the settings of the CPU Options Faults Page This page lists all possible fault conditions of the CDMA Subsystem The various faults are de scribed below FLASH This fault indicates that the microprocessor was unable to verify a write to the FLASH non volatile parameter storage area This should not ever occur under normal operation The unit should be returned to the factory for repair FPGA This fault indicates that the microprocessor was unable to configure the FPGA This would be a fatal fault and the unit should be returned to the factory for repair Signal This fault indicates that the unit has not been able to acquire a CDMA signal for one hour while the Time Figure of Merit has been 9 the unsynchronized condition This could be due to a variety of reasons If there are no other faults that could explain the inability to receive a signal then there could be
164. pad and Display and gntptimemodeconfig in Chap ter 6 Control and Status Commands The following string is sent once each second TYYYY DDD 55 zZZ m lt CR gt lt LF gt T is the Time Figure of Merit TFOM character described in Appendix E TFOM This is the on time character YYYY is the year DDD is the day of year i is the colon character 0x3A HH is the hour of the day MM is the minute of the hour SS is the second of the minute 7 15 the sign of the offset to UTC implies time is ahead of UTC ZZ is the magnitude of the offset to UTC in units of half hours Non zero only when the Timemode is Local m is the Timemode character and is one of G GPS L Local U UTC lt CR gt is the ASCII carriage return character 0x0D lt LF gt is the ASCII line feed character 0x0A 96 Tempus LX CDMA User Manual EndRunX Extended Format SERIAL TIME OUTPUT The EndRunX format is identical to the EndRun format with the addition of two fields the cur rent leap second settings and the future leap second settings The following string is sent once each second TYYYY DDD 55 zZZ m FF lt CR gt lt LF gt T is the Time Figure of Merit TFOM character described in Appendix E TFOM This is the on time character YYYY is the year DDD is the day of year i is the colon character 0x3A HH is the hour of the day MM is the minute of the hour SS is the second of the minute 2 is the sign of t
165. pad or via command cpuoptsconfig See details in Appendix I Specifications for the 1PPS Output This optional DB 9M connector provides the 1PPS Output at RS 422 levels and is usually not installed The pulse width is normally 1 millisecond wide when shipped from the factory but can be changed via the front panel keypad or via command cpuoptsconfig See pinout details in Appendix I Specifications for the 1PPS RS 422 Output This BNC connector provides the optional amplitude modulated time code output and is usually labeled SPARE The time code output is normally IRIG B122 when shipped from the factory but can be changed via the front panel keypad or via command cpuoptsconfig See details in Appendix I Specifications for the AM Code Output Tempus LX CDMA User Manual Performing an Initial Site Survey BASIC INSTALLATION Alarm Jack This BNC connector or terminal strip provides the optional Alarm Option Output and is usually not installed If installed see details in Appendix I Specifications for the Alarm Output Prog TTL Jack This BNC connector provides the optional Programmable TTL Option Output and is usually not installed If installed see details in 10MPPS or 100 PPS etc Option Serial Time Appendix I Specifications for the Programmable TTL Output This pulse rate is normally shipped from the factory as 10 5 but can be changed via the front panel keypad or command cpuoptsconfig T
166. ported when the system starts and when locked to CDMA The CDMA timing system defines the time to be GPS time We call the CDMA timing technology indirect GPS For more information see Chapter 1 CDMA Tim ing How It Works Therefore the Tempus LX will report the identifier as GPS when it is locked to CDMA ATOM is only reported when the oscillator type in the Tempus LX is a Rubidium The PTP Stratum will report either 3 or 255 The identifier and the calculated offset to UTC deter mines the PTP Stratum as shown below 118 Tempus LX CDMA User Manual About the PTP Second and UTC Time PTP IEEE 1588 Identifier PTP Stratum Offset to UTC GPS or ATOM 03 names GPS or ATOM 255 Never locked The leap 59 and leap 61 report either TRUE or FALSE FALSE is reported when no leap inser tion or deletion is pending The leap 61 reports TRUE on the day of a leap second insertion The leap 59 is TRUE on the day of a leap second deletion The PTP Time Mode is user configured either UTC or PTP When UTC time mode is configured the clock transmits the UTC epoch When the Time mode is PTP the clock transmits the PTP epoch TAD See About the PTP Second and UTC Time below for more information The PTP Multicast TTL value is factory set to the IEEE 1588 standard that defines TTL 1 The TTL value may be set to any value from 1 255 When set to any value other than 1 you must also config ure the PTP Slave accordingly The PTP
167. puter 59 Tempus LX CDMA User Manual CHAPTER SIX 60 Tempus LX CDMA User Manual EndRun C ANN I TECHNOLOGIES Enabling New IPv6 Capabilities ChapterSeven IP v6 Information EndRun Technologies understands that IPv6 is still in the experimental stage with essentially no mainstream deployment Customers who are not interested in IPv6 need not burden your system with it You have a choice of an IPv4 only kernel recommended or the IPv4 IPv6 kernel You may freely change this at any time with an easy software download from our website To determine which kernel resides in your Tempus LX check the firmware version using the front panel keypad display Or you can use the console port command cat proc version An IPv4 only kernel will have a part number and version similar to 6010 0041 000 ver 2 4 31 IPv4 An IPvA IPv6 kernel will have part number and version similar to 6010 0041 100 ver 2 4 31 IPv6 If you want to change your kernel please refer to Appendix B Upgrading The Firmware for instruc tions The following text refers to products with the IPvA IPv6 kernel The presence of an IPv6 capable kernel will automatically enable most of the new IPv6 capabilities By default autoconfiguration of the ethernet interface via IPv6 Router Advertisements is enabled To disable acceptance of Router Advertisements or to configure a static Pv6 address and default IPv6 gateway you must either run the interactive netconfig script o
168. r use the front panel keypad display Either method will allow you to configure your ethernet interface for both IPv4 and IPv6 operation Using the netconfig script has the advantage that you can also configure the hostname and domain name for the unit and any nameservers you may want it to have access to OpenSSH By default sshd is factory configured to listen on both IPv4 and IPv6 addresses It may be forced to listen on either IPv4 only or IPv6 only by editing the etc rc d rc inet2 startup script where sshd is started and then copying it to boot etc rc d Net SNMP By default snmpd is factory configured to listen on both IPv4 and IPv6 addresses This may be changed by editing etc rc d rc local and modifying the agent address argument passed to snmpd at start up and then copying it to boot etc rc d 61 Tempus LX CDMA User Manual CHAPTER SEVEN IPv6 Capable syslog ng To enable remote syslogging to an IPv6 host you will need to edit the new etc syslog ng conf file copy it to boot etc At boot time the presence of both the syslog ng daemon and the boot etc syslog ng conf file will cause the new IPv6 capable syslog ng daemon to be started instead of the previous syslogd klogd pair of daemons These two files remain on the system for backward compatibility with customers existing etc syslog conf setups but they are not IPv6 capable If you are not currently directing your system logs to a remote host or you are not usi
169. racters but instead you will see the bootloader message being output every few seconds In this case you need to use a different recovery procedure First make sure the above cat command is killed by typing CTRL C Then enter a new cat com mand as cat lt dev arm_user amp You should again be seeing the bootloader message every few seconds Tempus Bootloader 6010 0050 000 v 1 00 May 28 2004 17 31 05 83 Tempus LX CDMA User Manual APPENDIX B Please type the following command but do not press enter echo e recover r gt dev arm user Now wait until you see another bootloader message come out and then press enter You will then see the C come out every 3 seconds You then kill the previous cat command by entering kill You should see a command prompt Now issue this command to re transfer the correct binary file upgradecdma tmp 6010 0020 000 3 01 bin 84 Tempus LX CDMA User Manual EndRun C TECHNOLOGIES SNMPv3 Security Enterprise Management Information Base MIB AppendixC Simple Network Management Protocol SNMP Your Tempus LX includes the NET SNMP version 5 3 1 implementation of an SNMP agent snmpd and a SNMP notification trap generation utility snmptrap It supports all versions of the protocol in use today SNMPv1 the original Internet standard SNMPv2c never reached standard status often called community SNMP and SNMP v3 the latest Internet standard The
170. reference clock driver LS Is the current number of leap seconds difference between the UTC and GPS timescales 13 at the time of this writing S is the signal processor state one of 0 Acquiring 1 Signal Detected 2 Code Locking 4 Carrier Locking 8 Locked C is the CDMA frequency channel being used one of 0 thru 61 depending upon the channelset being used For North American Cellular these are 0 Primary A 1 Primary B 2 Secondary A 3 Secondary B For South Korean Cellular these are 4 Primary A 5 Primary B 6 Secondary A 7 Secondary B For North American PCS these are 8 00 A 9 01 A 10 02 A 11 03 A 12 04 A 13 05 A 14 06 A 15 07 A 16 08 A 17 09 A 18 10 A 19 00 D 20 01 D 21 02 D 22 00 B 23 01 B 24 02 B 25 03 B 26 04 B 27 05 B 28 06 B 29 07 B 30 08 B 31 09 B 32 10 B 33 00 E 34 01 E 35 02 E 36 00 F 37 01 F 38 02 F 49 Tempus LX CDMA User Manual CHAPTER SIX 39 00 C 40 01 C 41 02 C 42 03 C 43 04 C 44 05 C 45 06 C 46 07 C 47 08 C 48 09 C 49 10 C For Japanese Cellular these are 50 Primary A 51 Secondary A For Indian Cellular these are 52 Sri Lanka 43 53 Sri Lanka 146 54 India 185 55 India 226 56 India 267 57 India 308 58 India 369 59 India 410 60 India 451 61 India 492 PNO is the base station pseudonoise offset 0 to 511 in units of 64 pseudono
171. rg Leap seconds are inserted from time to time in order to keep UTC which is derived from atomic time in agreement with the Earth s rotation rate Relative to TAI the Earth s rotation rate is slowing down This means that UTC must be retarded periodically in order to maintain agreement between UTC and the apparent daylength If this were not done eventually UTC would drift out of sync with Earth s day and many astronomical and navigational problems would ensue The International Earth Rotation Service IERS is the organization responsible for measuring the relationship between UTC and the rotation rate of the Earth When the difference between UTC and apparent Earth time has exceeded a certain threshold the IERS coordinates with the Bureau Interna tional of the Hour BIH to schedule the insertion of a leap second into the UTC time scale The IERS publishes Bulletin C about 6 months in advance of each possible leap second insertion point Leap seconds may only be inserted at UTC midnight of June 30 or December 31 Bulletin C confirms either that a leap second will or will not be inserted at the next possible insertion point Since the introduction of leap seconds in 1961 they have been added approximately once every 18 months The leap seconds which are needed for your Tempus LX are actually the difference between GPS UTC The GPS time scale began on January 6 1980 At that time the UTC timescale had already undergone 19 leapsecon
172. righted interfaces the original copyright holder who places the Program under this License may add an explicit geographical distribution limitation excluding those countries so that distribution 1s permitted only in or among countries not thus excluded In such case this License incorporates the limitation as if written in the body of this License 9 The Free Software Foundation may publish revised and or new versions of the General Public License from time to time Such new versions will be similar in spirit to the present version but may differ in detail to address new problems or concerns Each version is given a distinguishing version number If the Program specifies a version number of this License which applies to it and any later version you have the option of following the terms and conditions either of that version or of any later version published by the Free Software Founda tion If the Program does not specify a version number of this License you may choose any version ever published by the Free Software Foundation 10 If you wish to incorporate parts of the Program into other free programs whose distribution condi tions are different write to the author to ask for permission For software which is copyrighted by the Free Software Foundation write to the Free Software Foundation we sometimes make exceptions for this Our decision will be guided by the two goals of preserving the free status of all derivatives of our free sof
173. rmware upgrades to our prod ucts available to our customers free of charge 3 Tempus LX CDMA User Manual CHAPTER ONE 4 Tempus LX CDMA User Manual EndRun C TECHNOLOGIES Checking and Identifying the Hardware Chapter Two Basic Installation This chapter will guide you through the most basic checkout and physical installation of your Tempus LX Subsequent chapters and appendices will give you the information needed to configure your installation for the maximum performance in your operating environment General NTP client setup instructions will also be supplied to get you started using your Tempus LX quickly Basic familiarity with TCP IP networking protocols like ping telnet and tp is required Though some familiarity with Linux or other Unix like operating systems would be helpful it is not essen tial Ifyou satisfy these conditions the instructions provided herein should guide you to a successful installation Unpack and check all the items using the shipment packing list Contact the factory if anything is missing or damaged The Tempus LX shipment typically contains Tempus LX part 3014 0001 000 or 3014 variant Or part 3018 variant for the Japanese version Tempus LX User Manual part USM3014 0000 000 on CD part 5102 0001 000 EC 320 AC Power Cord part 0501 0003 000 This part will not be present if using the DC power option DB 9F to DB 9F Null Modem Serial I O Cable part
174. rror is lt 1 ms 8 time error is lt 10 ms 9 time error is gt 10 ms unsynchronized state if never locked to CDMA YEAR is the year of the UTC timestamp of most recent NTP polling request received by the CDMA Subsystem from the NTP reference clock driver DOY is the day of year of the UTC timestamp of most recent NTP polling request received by the CDMA Subsystem from the NTP reference clock driver HH MM SS sssssssss is the hour minute second subsecond UTC timestamp of the most recent NTP polling request received by the CDMA Subsystem from the NTP daemon reference clock driver LS is the current number of leap seconds difference between the UTC and GPS timescales 13 at the time of this writing Query entpstat Tempus LX response LOCKED TO CDMA Offset 0 000024 TFOM 6 2001 092 06 03 10 904312858 13 cntptimemode This command displays the current time mode settings for the front panel display and the optional time code or Serial Time outputs Possible time modes are UTC GPS Local Auto and Local Manual The displayed local time offset from UTC is valid in either of the two local modes but the Daylight Savings Time DST start stop parameters are only valid in the local manual mode A posi tive local time offset implies a longitude east of the Greenwich meridian and that local time is ahead of UTC In the local automatic mode the local offset from UTC is determined from the CDMA base station transmissions For more
175. s is 53 then you would issue this command kill 53 You can verify that the process was terminated by re issuing the ps e command After rebooting the agent will read the boot net snmp snmpd conf configuration file and compute secret key s for each of the users and delete the createUser lines from the file It will then write the secret key s to the file These lines begin with the string usmuser In this way un encrypted passwords are not stored on the system IMPORTANT To generate new keys stop the snmpa process delete the existing usmUser key lines from the file boot net snmp snmpd conf and then add new createuser lines Then reboot the system This example gives the simplest configuration to begin using SNMPv3 but doesn t make use of the full capabilities of the VACM in defining groups and views for fine grained access control The fac tory default etc snmpd conf file contains commented blocks of lines that can be uncommented to give you a basic configuration that uses the User based Security Model USM described in RFC 2274 and the View based Access Control Model VACM described in RFC 2275 The comments included in the file should help you in modifying it for your specific requirements To disable SNMP you need to edit a system start up script called etc rc d rc local This script starts several daemons You can either remove the line that lists SNMP or you can place a character at the beginning of the line so that it will
176. s needed to configure the ethernet interface The following sections will guide you in setting up communications with the Tempus LX using its RS 232 serial I O port Connect the RS 232 Serial 1 0 Port You will need to use the RS 232 serial I O port if your network does not support the Dynamic Host Configuration Protocol DHCP In that case you must be able to configure the Tempus LX network parameters manually using the Linux console shell interface which is provided by this serial I O port Under certain conditions you may also need to use the RS 232 serial I O port if you encounter a problem while upgrading the firmware in your Tempus LX To test serial communications with the Tempus LX you will need either a VT100 compatible terminal or a terminal emulation program running on your computer We will refer to either of these as termi nal for the remainder of this instruction 1 Disconnect power from the Tempus LX 2 Connect one end of the DB9F to DB9F null modem adapter cable to the serial I O jack on the Tempus LX 3 Connect the other end of the DB9F to DB9F null modem adapter cable to the terminal If the serial I O port on your terminal does not have a DB9M connector you may need to use an adapter Refer to Chapter 6 RS 232 Serial Port Signal Definitions for details on the signal wiring If you are using a computer for your terminal remember which port you are using because you will need to know that in order to set up your
177. serial port command line interface Software upgrades via the HTTP interface are simple with your choice of two methods 1 If your Tempus LX has access to the internet the HTTP interface can automatically retrieve the appropriate files from the FTP server at endruntechnologies com to temporary locations on the Tempus LX You will need to authenticate the root user name and password and follow the prompts from the HTTP interface to complete each upgrade one for the Linux Subsystem and the other for the CDMA Subsystem IMPORTANT The domain name server IP address is required by the Apache web server When using netcon ig see Chapter 6 Control and Status Commands to configure the TCP IP parameters be sure to config ure the name server Only one name server is required two gives some redundancy The HTTP Interface will not start if this is configured incorrectly The following picture shows the Linux Subsystem RFS Upgrade page All fields are filled in with default values to download the appropriate software image from the EndRun Technologies website You can use these default values unless you want to point to a different FTP server 77 Tempus LX CDMA User Manual APPENDIX B Smarter Timing Solutions nokun TECHNOLOGIES Network Home Receiver Clock Faults Tempus LX CDMA Network Time Server RAM Upgrade from a FTP server Linux RFS Upgrade File Name CDMA Subsystem Upgrade Reboot 6010 00
178. sk Apache Software License The Apache server as implemented in the Tempus LX is cover by copyrights See the license at http www apache org licenses LICENSE 1 1 Information about Apache can be found at http httpd apache org The distribution and usage of Apache is allowed as long as the following copyright notice is included in our documentation This notice applies as if the text was explicitly included each file The Apache Software License Version 1 1 Copyright c 2000 The Apache Software Foundation All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 106 Tempus LX CDMA User Manual THIRD PARTY SOFTWARE 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution 3 The end user documentation included with the redistribution if any must include the following acknowledgment This product includes software developed by the Apache Software Foundation http www apache org Alternately this acknowledgment may appear in the software itself if and wherever such third party acknow
179. sole You should next see this message from the CDMA Subsystem Waiting for download using XMODEM 128 or XMODEM 1K both with CRC Control X will abort download After about 3 seconds you should see a capital character appear When you do hit the lt enter gt key Now the script will initiate the XMODEM file transfer and display this message to the console Starting file upload should take about 90 seconds After about one minute you should see this message from the script sbin upgradecdma line 26 27618 Terminated cat dev arm user You should see the CDMA sub system startup message now If not you may need to check your binary file and re perform the procedure The first message should be ignored It is only reporting that one of the intermediate processes of the script execution has been terminated The next message informs you that the CDMA Subsystem file 82 Tempus LX CDMA User Manual UPGRADING THE FIRMWARE transfer has completed and that its start up messages should appear First the bootloader message will appear Tempus Bootloader 6010 0050 000 v 1 00 May 28 2004 17 31 05 In about ten seconds the CDMA Subsystem application start up messages should appear FW 6010 0020 000 v 1 00 Aug 18 2004 10 47 41 FPGA 6020 0005 000 v 0202 The firmware version should match that of the binary file that you uploaded At this point the up gradecdma script terminates its execution and you will again have
180. splay the NTP peers which your computer is using One of them should be the Tempus LX server which you have just configured You should verify that it is being reached You may have to continue issuing the peers command for a minute or two before you will see the reach count increment If you are using authentication you can verify that authentication is being used by issuing the com mand associations to display the characteristics of the client server associations In the auth column of the display you should see for the row corresponding to the Tempus LX server If you see bad you should wait a few minutes to be sure that there is a problem since bad is the initial state of this setting If the bad indication persists then you must check your configuration for errors Typi cally this is due to a typing error in creating the windows system32 drivers etc ntp keys file on the client that causes a mismatch between the keys being used by the server and client If you transfer the file by tp this shouldn t be a problem It is also possible to have a typing error in the windows system32 drivers etc ntp conf file that causes the needed key to not be included in the trustedkey list 34 Tempus LX CDMA User Manual EndRun C ANN TECHNOLOGIES Display Description Keypad Description Chapter Five Front Panel Keypad and Display This section describes the Tempus L
181. status information and view log files but you will not be able to modify any system settings or view secure files After correctly entering the password at this prompt Password the sign on message is shown It identifies the host system as Tempus LX CDMA and shows the software part number version and build date Tempus LX CDMA 6010 0004 000 v 1 00 Wed May 16 14 17 44 UTC 2002 Tempus LX CDMA root cntp gt This last line is the standard Tempus LX CDMA shell prompt The Tempus LX uses the bash shell which is the Linux standard full featured shell After configuring the unit you should change the passwords using the cntppasswd command issued from the shell prompt To gain root access you must now issue the super user command at the shell prompt Tempus LX CDMA root cntp gt su root You will then be prompted for the password which is endrun 1 and be granted root access to the system To leave super user mode issue the shell command exit Issuing exit again will close the telnet session 17 Tempus LX CDMA User Manual Configuring the Network Time Protocol CHAPTER TWO Using SSH When establishing a ssh connection with your Tempus LX logging in directly as root is permitted When you log in as root via a ssh session with the Tempus LX this banner will be displayed kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Welcome to Tempus LX CDMA SSH console on cntp your domain kk
182. supports client server authentication security measures to deter spoofing of NTP clients by rogue NTP servers This appendix describes these security measures and gives the advanced network administrator information that will allow custom configuration to fit specific security needs IMPORTANT SSH Telnet SNMP and HTTP are all enabled with default passwords To ensure security change the pass words or disable the protocols To change the passwords for SSH Telnet and HTTP use the cntppasswd command To change the passwords community strings for SNMP see Appendix SNMP By default all users are allowed access via SSH Telnet and SNMP To restrict access via these protocols use the accessconfig command or edit etc hosts allow and etc hosts deny All users are allowed access via HTTP as well To restrict access via HTTP edit etc apache httpd conf to set up access by specific hosts To completely disable any or all of these protocols see Disabling Protocols below The embedded Linux operating system running in the Tempus LX is based on kernel version 2 4 31 and version 10 of the Slackware Linux distribution As such it supports a complete set of security provisions e System passwords are kept in an encrypted file etc shadow which is not accessible by users other than root e Direct root logins are only permitted on the local RS 232 console or via SSH 71 Tempus LX CDMA User Manual Limiting Access APPENDIX A e The secure cop
183. system It retrieves informa tion from the NTP distribution ntpq binary using the peers command to determine the current synchronization status of the NTP subsystem It then retrieves the last line in the logfile var log praecis0 monitor controlled by the NTP daemon reference clock driver that communicates with the CDMA Subsystem This logfile is updated every 16 seconds under normal operation It parses and formats the data contained therein and prints this fixed length generally grossly unsynchronized states could cause the floating offset field to overflow momentarily string having these fields LKSTAT TO CDMA Offset S ssssss TFOM YEAR DOY HH MM SS sssssssss LS Where LKSTAT 15 the system peer status of the NTP daemon relative to the CDMA Subsystem either LOCKED or NOTLKD Not locked can imply several things the system has just started there is a fault in the CDMA Subsystem which has caused NTP to either be unable to obtain timing information from the CDMA Subsystem or to reject the timing information that it is obtaining from it 52 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS S ssssss is the offset in seconds between the NTP system clock and the CDMA Subsystem clock Positive implies that the system clock is ahead of the CDMA Subsystem clock TFOM A detailed explanation of TFOM is in Appendix E Time Figure of Merit Briefly TFOM indicates clock accuracy where 6 time error is lt 100 us 7 time e
184. t of the question and answer configuration utility provided by ntpcon fig The user entered parameters are underlined Tempus LX CDMA root cntp gt ntpconfig kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk skkkkkkkkkkkkkkkkkkkkkNetwork Time Protocol Configuration kkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk This script will allow you to configure the ntp conf and ntp keys files that control Tempus LX NTP daemon operation You will be able to create new MD5 authentication keys which are stored in the ntp keys file You will be able to update the authentication related commands in the ntp conf file or without authentication If you supply the multicast address instead of your network broadcast address then you will be able to configure the time to live of the multicast packets The changes you make now will not take effect until you re boot the Tempus LX CDMA If you make a mistake just re run ntpconfig prior to re booting You will be able to configure the broadcast mode of operation with You will now be prompted for the necessary set up parameters kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk MD5 Keyfile Configuration W
185. t1 Creating etc networks Creating etc hosts Creating etc resolv conf kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk The Tempus LX CDMA network configuration has been updated Please re boot now for the changes to take effect kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Verify Network Configuration If you have made changes to your network configuration using netconfig you should shutdown the Tempus LX and reboot it There are two ways to do this 1 Cycle power to the Tempus LX 2 Issue the shutdown with reboot command at the shell prompt Tempus LX CDMA root cntp gt shutdown r now If you are using the RS 232 serial I O port to communicate with the Tempus LX you will be able to see the kernel generated boot messages when the unit reboots You should note the line Configuring eth0 as 192 168 1 245 if you have set up a static IP address or this line Attempting to configure eth0 by contacting a DHCP server if you are using DHCP It appears near the end of the kernel generated boot messages If you are using DHCP and are not using the RS 232 serial I O port you will have to check the 15 Tempus LX CDMA User Manual CHAPTER TWO DHCP configuration informat
186. tconfig The entries made by the user are underlined and are provided purely for illustrative purposes You must provide equiva lent entries that are specific to your network Those shown here are appropriate for a typical network that does not use DHCP Start the configuration process by typing netconfig at the shell prompt Tempus LX CDMA root cntp gt netconfig kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk dde ke dk ke ke ke ke ee eee Tempus LX CDMA Network Configuration dd d d dd ddd ddk k k FRR 522252222222 222522222222 dee e dee k dede e dee e kkk k k k k k e dee k k k k k k k e e e k This script will configure the TCP IP network parameters for your Tempus LX CDMA You will be able to reconfigure your system at any time by typing netconfig The settings you make now will not take effect until you restart your Tempus LX CDMA so if you make a mistake just re run this script before re booting You will be prompted to enter your network parameters now kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk DHCP Settings Use a DHCP server to configure the ethernet interface y es n o n HOST name setting Set the hostname of your Tempus LX CDMA Only the base hostname is needed not the domain Enter hostname cntp
187. the GPS The big difference is that the received signal strengths from the base stations are a minimum of 30 dB larger than those from the GPS satellites which is why you can usually talk on your cell phone indoors Due to the nature of the IS 95 spread spectrum CDMA modulation scheme this timing in formation may be extracted by a well designed receiver with a precision of a few nanoseconds The CDMA time and frequency engine in the Tempus LX does just that and for this reason we call our technology indirect GPS First the Tempus LX must be deployed in a cellular or PCS IS 95 CDMA coverage area Cellular is a commonly used term implying that the frequency band for the base station carrier transmissions is 824 895 MHz This is in contrast to PCS which implies operation in the 1850 1990 MHz frequency band If available the Tempus LX uses the cellular frequency band because it provides much better propagation characteristics in regards to building penetration and maximum receivable range from the transmitter In regions lacking cellular coverage the unit can be set to receive the PCS signals In general if your CDMA telephone works where you plan to install the Tempus LX then your Tempus LX will work properly there Because the Tempus LX has been designed to operate in conjunction with existing public domain NTP SNTP client software that has been created for use with similar time servers it may be used in any computer network environment t
188. the Signal Loss Fault Mask Query sigfltmask Tempus LX response Signal Loss Fault is ENABLED unlockkp This command unlocks access to the front panel keypad EDIT key When the EDIT key is locked it will prevent unauthorized tampering with the unit All other keys are still enabled so you may continue to read the status and current settings of the Tempus LX Refer to the kplockstat and lockoutkp commands Set unlockkp Tempus LX response Front panel keypad EDIT key enabled 57 Tempus LX CDMA User Manual CHAPTER SIX updaterootflag This command allows the user to update the configuration of the Linux bootloader after a new root file system image has been uploaded to the UPGRADE root file system partition dev rootfs_1 of the Tempus LX FLASH disk It may also be used to reset the default back to the FACTORY root file sys tem partition Refer to Appendix B Upgrading the Firmware for detailed instructions for perform ing the upgrade procedure One argument is accepted whose value is either 0 or 1 causing a flag to be set that will indicate to the bootloader which root file system image should be loaded by default If an argument value of 2 is given then the currently configured default root file system is shown Set updaterootflag 1 Tempus LX response UPGRADE is the default root file system Query updaterootflag 2 Tempus LX response UPGRADE is the default root file system upgradecdma This script allows the user to upgrad
189. the keys being used by the server and client If you transfer the file by tp or scp this shouldn t be a problem It is also possible to have a typing error in the etc ntp conf file that causes the needed key to not be included in the trustedkey list Broadcast multicast client setup is relatively simple if You have been able to successfully communicate with the Tempus LX on your network Your Tempus LX has been configured to perform broadcasts or multicasts via the front panel keypad or by running the ntpconfig shell script This is not the factory default configuration so be sure to run ntpconfig If you are going to use MDS authentication your Tempus LX must have been configured to operate with authentication in the broadcast multicast mode and you must know which of the trusted keys it is using for broadcast multicast operation The example Tempus LX configuration shown in Chapter 2 Configuring the Network Time Protocol will be assumed in the example configuration commands shown here You have installed NTP on your client computer You have successfully performed the MD5 Authenticated NTP Client Setup on your client com puter if you plan to use MDS authentication Configure NTP Client for Broadcast You must edit the ntp conf file which ntpd the NTP daemon looks for by default in the etc direc tory Assuming that your Tempus LX server has been configured to use key 2 for broadcast authen tication as shown in
190. time mode is local auto this display will show the local offset as derived from the CDMA timing information When the time mode is local manual this display will allow the user to change the value by pressing EDIT Enter a negative offset for time zones west of the Green wich meridian and a positive offset for time zones to the east If enabled DST will add an additional hour Hours Display The hours display format affects the front panel time display and is active only when the time mode is set to local time Hours display selections are either 12 hour format 1 12 hours with AM PM indicator or 24 hour format 0 23 hours Leap Seconds Leap seconds affect NTP UTC and local time not GPS time Leap second insertions occur about once every two years The Tempus LX has two different modes for handling leap seconds In auto matic leap second mode this display will show the current and future leap seconds as broadcast over the CDMA system In user entered leap second mode this display shows the user entered current and future leap second values Press EDIT to change these values The Tempus LX is shipped from the factory set for the user entered mode with current and future leap seconds set appropriately You will need to change this setting the next time a leap second is pending Refer to Appendix D Leap Seconds for further information Daylight Savings Time Daylight Savings Time DST is used in calculating the current local time whe
191. tloader displays the message 80 Tempus LX CDMA User Manual UPGRADING THE FIRMWARE To override and boot the FACTORY partition type FACTORY within 5 seconds you must begin typing factory within five seconds to let the bootloader know that you are going to override the default root file system After you hit lt enter gt the bootloader will boot the factory root file system Watch the rest of the boot process to make sure that you have successfully recovered If the system boots normally then you should resolve the problems with the previous upgrade and re perform it Performing the Linux Kernel Upgrade The Tempus LX is shipped from the factory with a kernel that is IPv4 only capable only If you want to upgrade your kernel to the IPv4 IPv6 capable one then you must first be sure that your root file system is version 2 60 or later To see the root file system version type cntpversion at the network serial port To upgrade your kernel log in as the root user to the Tempus LX using the local console serial I O port telnet or ssh and perform these operations If you are using tp to perform the upgrade transfer the previously downloaded file using binary transfer mode from the remote host to a temporary location on your Tempus LX using FTP The IPv6 kernel image will be named with the software part number like 6010 0041 100 bzimage When fol lowing the instructions below substitute the name of the actual kernel image that
192. tware and of promoting the sharing and reuse of software generally NO WARRANTY 11 BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE THERE IS NO WARRANTY FOR THE PROGRAM TO THE EXTENT PERMITTED BY APPLICABLE LAW EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND OR OTHER PARTIES PROVIDE THE PROGRAM AS IS WITHOUT WARRANTY OF ANY KIND EITHER EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRAN TIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU SHOULD THE PROGRAM PROVE DEFECTIVE YOU ASSUME THE COST OF ALL NECES SARY SERVICING REPAIR OR CORRECTION 12 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY COPYRIGHT HOLDER OR ANY OTHER PARTY WHO MAY MODIFY AND OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE BE LIABLE TO YOU FOR DAM AGES INCLUDING ANY GENERAL SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES END OF TERMS AND CONDITIONS 105 Tempus LX CDMA User Manual APPENDIX G NTP Software License Information about the NTP Project led by Dr David Mills can be
193. twork Time Protocol configuration has been updated Please re boot now for the changes to take effect LIE OF kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk Configuring the Tempus LX as a Stratum 2 Server Operating the Tempus LX as a Stratum 1 Server is the recommended mode You may operate the unit as a Stratum 2 server but since there are innumerable ways to configure your network with Stratum 2 servers specific insructions for how to do that are beyond the scope of this manual General instruc tions are Edit NTP CONF You must edit the ntp conf file in order to point your Stratum 2 server at a Stratum 1 server Edit etc ntp conf and add your server line s See Using Edit below Here is an example server 192 168 1 1 Or if you set up a domain name server via netconfig here is another example server your timeserver com IMPORTANT Do not remove the server lines for the refclock Even if your Time Server is not connected to an antenna the refdock server lines must remain Now save the edited file and copy it to the non volatile flash partition with this command cp p etc ntp conf boot etc Mask Alarm In Stratum 1 operation an alarm will be indicated when there is a loss of signal For Stratum 2 opera tion you may not want to see this alarm You can mask it prevent it from showing by us
194. ust run this script as root from the RS 232 serial I O port during the installation process Refer to Chapter 2 Using netconfig to Set Up Your IP for details on the use of the command This script creates or modifies these files etc HOSTNAME etc hosts etc networks etc resolv conf and etc rc d rc inet1 All of these are non volatilely stored in the FLASH disk boot etc directory You must reboot the Tempus LX after running this script for the changes to take effect Set netconfig Tempus LX response Interactive shell script is started ntpconfig This command starts an interactive shell script that will allow the user to configure the NTP subsys tem of the Tempus LX By default the unit is configured to authenticate its replies to clients using its default MDS keys in the etc ntp keys file If you need to create your own MDS keys recommended or set up broadcast multicast operation you must run this script as root Refer to Chapter 2 Con figuring the Network Time Protocol for details on the use of this command The two files that are modified are etc ntp keys and etc ntp conf Both of these are non volatilely stored in the FLASH disk boot etc directory You must reboot the Tempus LX after running this script for the changes to take effect Set ntpconfig Tempus LX response Interactive shell script is started 56 Tempus LX CDMA User Manual CONTROL AND STATUS COMMANDS ptpconfig and ptp2config Optional These commands
195. usually multipath conditions due to signal re flections indoors cause at least some of the signal to be horizontally polarized so do not be surprised if you find that the unit will work with the antenna oriented either way Multipath conditions can also cause another effect signal cancellation Since the wavelength of the signal is only about 12 to 30 centimeters movement of the antenna just a few centimeters can sometimes cause significant signal strength changes 7 Tempus LX CDMA User Manual Installing the Tempus LX CHAPTER TWO Initially upon power up 1 The unit will light the red Alarm Status LED for about ten seconds 2 Then it will continuously light the green Sync Status LED 3 When the unit has detected a CDMA signal the green Sync Status LED will begin to flash very slowly about a 4 Hz rate 4 As the unit locks onto the CDMA signal and begins to decode the timing data the green Sync Status LED will flash very rapidly about a 6 Hz rate until the data is fully decoded 5 Then the green Sync Status LED will pulse at precisely a 1 Hz rate synchronized to UTC seconds with a short on duration relative to the off duration At this point the CDMA time and frequency engine has fully synchronized and you may proceed to permanently mounting the chassis and antenna in the desired location If this sequence has not occurred within twenty minutes you should move the antenna and or change its orientation and retry If you
196. viously in Basic NTP Client Setup so that authentication will be used with the Tempus LX server using one of the trusted keys in this case key 1 server 192 168 1 245 key 1 Restart ntpd to have it begin using the Tempus LX server with MDS authentication Use the NTP utility ntpq to check that ntpd is able to communicate with the Tempus LX After issuing the com mand ntpq you will see the ntpa command prompt ntpq gt Use the command peers to display the NTP peers which your computer is using One of them should be the Tempus LX server which you have just configured You should verify that it is being reached You may have to continue issuing the peers command for a minute or two before you will see the reach count increment 25 Tempus LX CDMA User Manual Broadcast Multicast NTP Client Setup CHAPTER THREE You can verify that authentication is being used by issuing the command associations to display the characteristics of the client server associations In the auth column of the display you should see OK for the row corresponding to the Tempus LX server If you see bad you should wait a few minutes to be sure that there is a problem since bad is the initial state of this setting If the bad indication persists then you must check your configuration for errors Typi cally this is due to a typing error in creating the etc ntp keys file on the client that causes a mismatch between
197. wer cord Position the power cord so that you can easily disconnect it from the Tempus LX Do not install the Tempus LX where the operating ambient temperature might exceed 122 F 50 C co Tempus LX CDMA User Manual BASIC INSTALLATION Connecting the DC Power Option Connect the safety ground terminal to earth ground Connect the terminal to the positive output of the DC power source Connect the terminal to the negative output of the DC power source Note that the Tempus LX has a floating internal power supply therefore either the positive or nega tive output of the DC power source can be referenced to earth ground This unit will not operate if the connections are reversed however it will not be damaged by a reverse connection SHOCK ENERGY HAZARD Install in Restricted Access Location Use 10 14 AWG copper wire only Terminal block screw torque 9 in Ibs 1 nM Branch circuit must have circuit breaker 15A or less Install terminal block cover after wiring Installing the Antenna Make sure that the antenna 1s not blocked by metallic objects that are closer than about one meter A good location is the top surface of the equipment rack into which the unit has been installed Ideally it should be mounted vertically as the transmitted signals are vertically polarized When indoors however multipath conditions may exist This means that reflected signals may be present with either vertical or horizont
198. y encounter with the automatic configuration via DHCP If your network does not use DHCP you will need to configure your ethernet interface using either the front panel keypad or the RS 232 serial I O port The following sections contain brief descrip tions on how to do that 9 Tempus LX CDMA User Manual CHAPTER TWO Configuring Ethernet with the Front Panel Keypad Configuring your ethernet interface with the front panel keypad is quite simple After the unit has powered on press the ENTER key once or twice until you see a display called Main Menu Now press the RIGHT arrow key until the Network selection is highlighted Press ENTER again You will see the IP address gateway and netmask settings displayed here Press the EDIT key to modify these settings The sequence of edit displays will guide you through the setup process Press the HELP key at any time to view context sensitive help information When you are finished the unit will reset Skip to the section called Check Network Operation later in this chapter to continue with the basic installation procedures Configuring Ethernet with the Serial Port To configure your ethernet interface with the serial port after logging in as the root user you must run a simple shell script called netcon ig from the bash shell prompt This shell script will prompt you for the needed information and perform some syntax checking on your inputs Then it will create or modify the appropriate file
199. y if you received the program in object code or executable form with such an offer in accord with Subsection b above The source code for a work means the preferred form of the work for making modifications to it For an executable work complete source code means all the source code for all modules it contains plus any associated interface definition files plus the scripts used to control compilation and installation of the executable However as a special exception the source code distributed need not include any 103 Tempus LX CDMA User Manual APPENDIX G thing that is normally distributed in either source or binary form with the major components com piler kernel and so on of the operating system on which the executable runs unless that component itself accompanies the executable If distribution of executable or object code is made by offering access to copy from a designated place then offering equivalent access to copy the source code from the same place counts as distribu tion of the source code even though third parties are not compelled to copy the source along with the object code 4 You may not copy modify sublicense or distribute the Program except as expressly provided un der this License Any attempt otherwise to copy modify sublicense or distribute the Program is void and will automatically terminate your rights under this License However parties who have received copies or rights from you under this Lic
200. y utility scp eliminates the need to use the insecure ftp protocol for transferring program updates to the Tempus LX e HTTP may be completely disabled by configuration of etc rc d rc local e Access via SNMP is configurable to provide the security of the latest version 3 Internet standard which supports both view based access control and user based security using modern encryption techniques Previous versions v1 and v2c supported access control essentially via passwords trans mitted over the network in plain text Refer to Appendix Simple Network Management Protocol which is dedicated to configuration of SNMP for details e Individual host access to protocol server daemons such as in telnetd snmpd or sshd may be controlled by the tepd daemon and directives contained in the files etc hosts allow and etc hosts deny e Risky protocols like TIME DAYTIME and TELNET may be completely disabled by configura tion of the inetd super server daemon The last two topics are supported on the Tempus LX by a pair of shell scripts which ease configu ration for the inexperienced user of Unix like operating systems These are accessconfig and inetdconfig Using Edit A very compact editor is available on the system for editing files edit If you start edit without giving it a file name to open it will display its help screen showing the supported keystrokes By default the unit is configured to allow access by all users via Telnet SSH an

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