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sat-nms LFTX/RX Optical Links User Manual

1. 2 4 Configuring the Optical Links This chapter gives a short overview about some configuration parameters you want to set after you have installed the sat nms LFTX RX A complete reference of all available setup parameters is given in chapter Setup Parameters Chassis and communication type Select if a chassis is Master Slave or Single Unit If the chassis is not used as a Single Unit you have to set the communication type HTTP or RS232 and the address of the corresponding Unit depending on communication type IP or RS232 address ATTENTION If you use 2 sat nms LFTX RX in Master Slave mode you have at first to configure and establish the connection between the master and the slave unit Otherwise all settings in the slave unit will be over written on accomplishing the Master Slave communication for the first time The slave unit will be configured automatically by the master unit in order to ensure correct redundancy switch function Read more about the Master Slave mode in chapter Setup Parameters Redundancy SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 8 28 SatService Gesellschaft fiir Kommunikationssysteme mbH If your chassis is equipped with the redundancy switching option you have choose between auto manual or off Auto switches in case of a LFTX or LFRX card automatically to the redundant card if an fault occurs In th
2. LFTX RX LSM chassis up to 4km fiber optical links Switch Matrix z The second block diagram show the combination of the sat nms LSM L Band Switch Matrix with the sat nms LFRX L Band Fiber Optical Receivers So you use the LFRX card directly in our switch matrix 5 1 Frequency bands While the fiber optical links where designed by SatService GmbH mainly for the transmission of the satellite L Band frequency band 950 to 2150MHz also a broadband version from 50MHz to 2150MHz is available So this link type can also be used to transmit the traditional 70 or 140MHz IF bands of satellite ground stations and a microwave links But also other terrestrial applications are feasible like the transmission of GSM signals in the 800 and 1800MHz frequency bands sat nms LFRX L and LFTX L 950 to 2150MHz sat nms LFRX B and LFTX B 50 to 2150MHz sat nms LFRX 10 and LFTX 10 950 to 2150MHz and 10MHz reference frequency for BUC As a unique feature the sat nms LFTX RX modules can transmit L Band and 10MHz signals together on C 2013 SatService GmbH www satnms com LF UM 1301 Page 23 28 one single fiber connection This is a growing application for VSAT and satellite ground station transmit chains which make use of Block Up Converter BUC These BUCs very often need a 10MHz reference frequency signal for their internal local oscillators This is generated within the satellite modem and also transmitted via the coaxial L Band output The sat nms LFTX RX fiber optica
3. LNB Current H Card SNMP TrapIP2 _ RF diode Offset SNMP Trap IP 3 LT Slot 10 HRF Offset SNMP Trap IP 4 t Attenuator LNB DC LNBCurrentmin LNB Current max Slot 10 C 2013 SatService GmbH www satnms com LF UM 1301 Page 15 28 MENU FAULTS MEASUREMENT SETTINGS FAULTS MEASUREMENT MASTER CHASSIS MASTER CHASSIS MASTER CHASSIS SLAVE CHASSIS SLAVE CHASSIS Slot 1 Slot 2 Slot 1 RX Optical O P Power RF Offset LNB Current min LNB Current max 1 only available if chassis type not single 2 only available for HTTP master slave communication 3 only available for RS232 master slave communication 4 only available if redundacy enabled Slot 10 The FAULT sub menu shows you the state of every slot The MEASUREMENT sub menu gives an overview over the actual measurement values for every slot The SETTINGS sub menu lets you view and modify the operational parameters of the LFTX RX The SETUP sub menu contains a number of parameters which usually only need to be changed during the installation of the optical link For further information about the parameters see the chapters Operational Parameters and Installation Parameters of this manual To navigate in the menu use the G or keys to select a sub menu then press Gto descend in the selected menu branch Pressing EMones returns to the main menu level pressing i
4. LFRX card and can not be changed If a Warn is displayed the summary state of this slot is nevertheless OK because this is not a fault LNB curr If the chassis is configured to supply LNCs the actual current is shown here for every slot The current limits can be changed on the Config menu If the current is within this range a green OK is shown if the value is out of the range a red FLT is displayed here 3 2 3 Reading of empty slots Slot 5 empty Rx5 0 K If a slot is empty besides slot number and slot name no parameters are displayed the slot summary state is always OK 3 3 Configuration of operational parameters The page Config contains the operational parameters Operational parameters are those which are assumed to be changed more frequently than the installation parameters on the Setup page The page displays a table with the parameters actually set Each parameter value is a hyper link to a separate page which lets you change this parameter This parameter change page shows the actual parameter setting either in an entry field or in a drop down box You may change the parameter to the desired value and then click to the Submit button to pass the changed value to the LFTX RX The receiver automatically returns to the settings page when the parameter has been changed To cancel a parameter modification you already started either use the Back button of you web browser or click to the Config b
5. chassis slots Inbm r o card1 card10 OFF ON LNB DC supply for master chassis slots Inbs card1 card10 OFF ON LNB DC supply for slave chassis slots Inim r o card1 card10 mA LNB current minimum limit for master chassis slots Inis r o card1 card10 mA LNB current minimum limit for slave chassis slots Invm r o card1 card10 mA LNB current for master chassis slots Invs r o card1 card10 mA LNB current for slave chassis slots Inxm r o card1 card10 mA LNB current maximum limit for master chassis slots Inxs r o card1 card10 mA LNB current maximum limit for slave chassis slots notm r o Description Note master chassis nots r o Description Note slave chassis nslm r o card1 card05 Description Note left cards of the master chassis nsls r o card1 card05 Description Note left cards of the master chassis SatService Gesellschaft fiir Kommunikationssysteme mbH nsrm r o _ card6 card10 Description Note right cards of the master chassis nsrs r o card6 card10 Description Note right cards of the master chassis plem r o card1 card10 RX TX NONE Card type of master chassis slots plcs r o card1 card10 RX TX NONE Card type of slave chassis slots povm r o card1 card10 uw Optical input power LFRX or output power LFTX of master chassis slots povs r o card1 card10 uw Optical inp
6. is above the limit it shows a green label OK 3 2 2 Reading of LFTX transmitter card Slot 7 I TX Tx7 oO RF Pwr 90 dBm Opt O P Pwr 145 mW Ol K Attenuator 15 dB Diode RF Pwr 90 dBm W Remote MES LNB curr 0 m Ol If a LFTX card is installed you can read the following parameters Parameter Description Name Attenuator An integrated attenuator makes is possible to attenuate the RF signal in 1dB steps from 0 to 31dB The selected value is displayed here If the parameter Remote is ON you can easily change the attenuation value by clicking on it Now you can select the desired value from a drop down box Pressing the Submit button applies the new attenuation If the parameter Remote is OFF is is not possible to change this parameter by remote control Remote It is possible to change some settings of the LFTX card remote e g via web browser interface or local only on the front panel of the card The current state of the hardware remote local switch on the corresponding card is shown here Opt O P This parameter shows the transmitted optical power The label behind this parameter tells Pwr you if the value is in range OK or not FLT The values are given by the LFTX card and can not be changed Diode RF This value shows the output RF power of the LFTX cards Laser diode The label behind Pwr behind this parameter tells you if the value is in range OK or not Warn The values are given by the
7. master slave mode ai URN IE a 14 34 Real Time Clock Bitte Backups as alte 14 3 Eon Dane lO Pera use ia 14 Sool DEEP a Mode sans nenne do 15 39 2 Ihe A lese een 15 3 33 Ed1tn2 Numeric Patameters een ti de 16 3 5 4 Editing Multiple Choice Parameters ocooccocccoconcnnncnoconcnnncnncnoncnnnnnnnonnnnnnnnnnnnnnononcnnnnncnnnnnnnononos 16 SID Tau A A ee ee era 16 3 5 0 0c al operation LERA Card ti re 17 3 5 4 Local Operation PT Card aser riel 18 REM do ad 19 A Cenetal CcOMmmMand MAR a iia nes sa 19 4 2 Ih TCP IP remote control Tet aCe a 19 4 3 1169232 Temole COMMON mte TR ana 19 E 2er esse 20 Arata Me ler li len et A o a ance eee eta eee 20 3 Theory or Ope ratio it 23 C 2013 SatService GmbH www satnms com LF UM 1301 Page 1 28 SatService Gesellschaft fiir Kommunikationssysteme mbH AI i gh 276 Ure 0 lea 7 D 21170 AAA eee en eet eter PP PU O EIN Serre Ten Sameera 23 3 2 Ole ClON ee een 24 33 Controller Module a ii id si nicio 24 3 4 Redundane YS WILC DING str id a dias io 24 Ded DIS DIA WAS nee A AA AS A dt 26 BSP CI A a e la dl ah 28 C 2013 SatService GmbH www satnms com LF UM 1301 Page 2 28 SatService Gesellschaft fiir Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 3 28 1 Introduction This document is the user manual provided with the sat nms LFTX RX fiber optical link equipment It contains all necessary information how to install setup and operate the unit
8. on the Hyperlink in the picture beyond Rx1 a page to change this parameter will be opened Type in here the desired slot name and press the submit button Card To change the card type click on the field and a new page will be opened Now choose the C 2013 SatService GmbH www satnms com LF UM 1301 Page 11 28 desired parameter RX TX NONE from the drop down menu and press the submit button to pass the changed parameter to the chassis RF Offset This parameter is a factory setting that has not to be changed by the customer Depending on the LFTX RX chassis configuration the card has different internal RF attenuation This value defines the offset to guarantee that the displayed value matches the real values at the 1 O connectors RF The RF threshold defines the RF fault level If the RF level under runs the threshold the RF Thresh threshold alarm is set To change the value click on it and enter the new RF threshold and press the submit button A value of 99dBm disables the threshold check for this card 3 3 2 Configuration of LFTX transmitter card Red Slot7 Note TT YES Card TX LNB DC ORE RE Offset 38dB LNB Curr min OmA Diode RF Offset 42dB LNB Curr max 300r If TX is chosen as card type you can change the following parameters Parameter Description Name Red This parameter defines if in case of failure the card will be replaced by the redundant card If this parameter is set to NO automatica
9. transmitter module always provides also LNC supply voltage including current monitoring and RF level detection We tried to realize all functionality in the baseline product so that you don t have to care about options So LNC powering and other features are always included wherever possible This is only not the case in the broadband and 10MHz boards as this makes no sense here in any case and the inductors of the LNC voltage supply would destroy low frequency performance 5 2 Connectors For the optical interface SatService provides E2000 connectors from Diamond or Huber Suhner by default But we are also in a position to deliver on request FC APC or other single mode connectors The optical interface is located at the front panel of the 19 chassis because the optical patch panels are most likely also at the front of a 19 rack The connectors are slightly shifted back wards from the normal front plane of the 19 drawer so that they don t interfere at the front of the rack nor can they become destroyed or snapped off 5 3 Controller Module The Controller Module of the sat nms LFTX RX is based on a separate 100x160mm printed circuit board It performs the following functions Monitor and control the optical transmitter cards LFTX Monitor and Control the optical receiver cards LFRX Manage the redundancy switching in master slave mode Control the keyboard and display at the unit Control the Remote Interfaces RS232 and LAN The design
10. 0 15dB in the 15 position the attenuation value can be set from 16 31dB 0 DC If your card is equipped with this functionality you can switch here the 15VDC on and off to supply a LNC connected to the RF in of this slot In the O position of the switch 15VDC is off in the DC position the 15VDC is on RM LC This DIP switch defines if the card is controlled remote RM or local LC If the switch is in the LC position it is not possible to change the parameters of this card via remote Inferface IP RS232 SNMP or via the front panel keyboard of the LFTX RX chassis Additionally you can measure the following parameters Parameter Description TPout The testport gives you the opportunity to measure the RF Level on the Front panel The 10dB Signal that you can measure here is about 10dB lower than the output signal on the back side of the LFTX RX chassis PWR Here you can measure the level of the RF power The scaling is 50mV dB GND Reference Ground for the PWR LDC and LDP measurement LDC Here you can measure the current consumption of the laser diode 100mV relates to 10mA LDP Here you can measure the optical power 100mV relates to 100uW SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 18 28 4 Remote Control The sat nms LFTX RX L Band Optical Link chassis may be controlled remotely by a monitoring and control ap
11. 1 card10 dBm RF Threshold for slave chassis slots time YYYY MM DD hh mm ss Date time tmpm Temperature master chassis tmps r o C Temperature slave chassis Master Slave related commands adex r o A B C D E F G NONE Adr corresp Chassis coex r o HTTP RS 232 Type of master slave Communication ipex r w aaa bbb ccc ddd IP corresp Chassis unit r w Master Slave Single Chassis Type SNMP related commands sdes SNMP System description scon r w SNMP System contact snam r w SNMP System name E sloc SNMP System location rcom r w SNMP read community wcom r w SNMP write community tcom r w SNMP trap community autr r w enabled disabled SNMP enable Auth traps ipt1 r w aaa bbb ccc ddd SNMP Trap IP 1 ipt2 r w aaa bbb ccc ddd SNMP Trap IP 2 ipt3 r w aaa bbb ccc ddd SNMP Trap IP 3 ipt4 r w aaa bbb ccc ddd SNMP Trap IP 4 Fault Message The commands alrm and alrs return a text string which shows the fault status of the master or slave chassis Syntax S power supply faults R rf faults O optical faults L Inb faults T threshold faults C communication fault internal fault switch fault The power supply faults list contains 2 characters for power supply 1 to 2 The rf faults optical faults Inb faults and threshold faults lists contains 10 characters representing the 10 slots of a sat nms LFTX RX chassis The communication fault conta
12. 3 SatService GmbH www satnms com LF UM 1301 Page 17 28 3 5 7 Local operation LFTX Card The following picture shows you the front view of a LFTX card EIN O MN ABB E 2000 Out Y LD Max PWR LDC 0 0 RM X or X a se WA O O 15 DC LC FC APC c a 2 PS Mn GND LO y Depending on the card configuration the Opto Out connector is an E2000 or a FC APC connector Connect here the optical fiber to transmit the optical signal sat nms LFTX TPout 1048 The following indicator LED s are located on the cards front panel Parameter Description LD This green LED shows the state of the TX laser diode The LED turns on if the laser diode is working PS The green PS LED displays the power supply state of the card The LED is on if the power supply of the card is working Max The yellow Max LED turns on if the RF input level is below the recommended level Min The yellow Max LED turns on if the RF input level is above the recommended level You have the possibility to change the following parameters Parameter Description Gain An integrated attenuator makes is possible to attenuate the RF input signal in 1dB steps from 0 to 31dB This switch has 16 steps Use the 0 15 switch to select the attenuation range to 0 15dB or 16 31dB 0 15 By setting this switch you define the range of attenuation that can be set by the gain switch In the O position it is possible to set the attenuator from
13. B 0 25dB in any 40MHz Input signal max total level Output Level max total power Intermodulation at 13dBm Input Level DC output at L band input connector 10 dBm 10dBm lt 40 dBc M amp C Interface Specification Ethernet interface for M amp C and user interface Front panel display 10 Base T Via http GET requests RS232 M amp C Interface Summary fault indication T O output for external WG switching transmitter 16 1V Relay contact D SUB 9 male SUB D 9 socket LCD 16x2 D SUB 9 female Conditions Supply voltage Connector for the two mains voltage AC input Electrical and Mechanical Specification Environmental 90 to 230V AC 50 to 60Hz IEC Redundant power supplies Temperature range Hot swap capability available as an option 20 to 50 C Humidity up to 90 non condensing Mechanical size of mainframe 436 x 89 x 350 mm WxHxD 19 2HU SatService Gesellschaft fiir Kommunikationssysteme mbH C 2013 SatService GmbH WWW satnms com LF UM 1301 Page 28 28
14. ENTION Optical Radiation If connected to a power supply the unit provides invisible Laser radiation The source is class 3R Laser diode as defined in DIN EN 60825 1 2001 11 PO 2mW Lambda 1310nm Never look into fiber optical components like connectors or fibers Use an infrared viewer optical power meter or fluorescent screen for optical output verification e Do not allow any dirt or foreign material to get into the optical connector bulkheads This may cause damage to the polished optical connector end faces e Follow standard Electrostatic Discharge ESD procedures when handling a the chassis and the modules of the LFTX RX e Select and apply the appropriate 110 240AC voltage according to the data sheet and documentation before connecting power e Depending on configuration the chassis is equipped with User changeable power supplies Always disconnect the mains of the power supply that has to be changed Wait at least 10s after disconnecting the mains for internal discharge of the power supply before removing the power supply ATTENTION To avoid the possibility of an electrical shock never handle with a power supply that is connected to mains e The power supplies are EMI filtered The chassis is connected to earth ground in compliance with safety requirements Always use the 3 prong AC plug with earth ground to avoid possibility of electrical shock hazard to personnel e Before you connect the LFTX RX to an L Band distributor or LNC p
15. IP address dotted quad notation to make the unit sending Destination IP traps by UDP to this host Setting the parameter to 0 0 0 0 disables the trap generation 4 System The unit replies to MIB II sysLocation requests with the text entered at this place Location System The unit replies to MIB II sysContact requests with the text entered at this place Contact User password Here you can define the password for the user login Default password is user When you are logged in as user you are only able to change the parameters on the Master Ch And the Slave Ch page All the other parameters can only be changed when you are logged in as admin Admin Here you can define the password for the admin login Default password is admin password When you are logged in as admin you are only able to change all the parameters of the unit 3 4 1 Master Slave mode parameters ATTENTION If you use two sat nms LFTX RX chassis in master slave mode you have at first to configure and establish the connection between the m aster and the slave chassis Otherwise all settings in the slave unit will be over written on accomplishing the master slave communication for the first time The slave unit will be configured automatically by the master unit in order to ensure correct redundancy switch function Parameter Description Name Master Slave Choose here the communication type between master and slave chassis You have the C
16. Module Part 2 EES Ibias EE Controller Optical Receiver Modules with Amplifier Coupler 110 230YAC Link 3 or Red Link 8 or Red Link 1 RS232 WO Interface Optical Transmitter Modules with Amplifier Coupler and OC Bias u a o pu E o uw RF Redundancy Switching Module Part 1 with OC Bypass In 4 In 10 110 230Y AC In 1 In 2 In 3 In 5 In 6 In In 8 In 9 Another version provides the additional redundancy switching capability for external LNC Based on the standard chassis this unit contains also the necessary IO driver hardware card which drives a combination of 2 4 waveguide or coaxial switches for redundancy switching of the corresponding LNCs The switchover criteria is LNC current window This unit provides a 2 1 protection The external redundancy definition is only available on request There is a second redundancy definition intern2 and extern2 If you select this redundancy definition the left and the right redundancy combinations will be switched synchronous For example if in the left column slot 2 is switched to slot 3 then in the right column slot 7 is switched to slot 8 The behavior is the same for extern2 but for an external device The external redundancy definition is only available on request On the next picture you see an external redundancy definition but only with the Optical Transmitter C 2013 SatService GmbH www satnms com LF UM 1301 Page 25 28 Ext Switch Contro
17. RX is listening to the IP address 10 0 0 1 requesting a document with the URL http 10 0 0 1 rmt sver will let the LFTX RX reply the software version in a one line text document sver 1 012 2007 12 01 This way all parameters may be queried or set you may use your favorite web browser to try out the remote control of the LFTX RX manually 4 3 The RS232 remote control interface Beside the network interface the sat nms LFTX RX also provides an RS232 serial port which can be used to control the device remotely Depending on the device address set the LFTX RX either runs framed protocol with start stop characters and checksum or it provides a dumb terminal interface The RS232 interface operates by default at 9600 baud no parity 8 data bits one stop bit You can configure the baud rate on the front panel If an address A G is selected the LFTX RX expects each message it receives to be packed into a frame as described below char example description 1 start character always 2 A device address A G 3 t first character of the message body m message body 0 hs SatService Gesellschaft f r Kommunikationssysteme mbH n 1 last character of the message body n n 1 checksum C 2013 SatService GmbH www satnms com LF UM 1301 Page 19 28 The checksum byte is calculated using an algorithm as implemented by the following formula sum 32 gt byte i 32 modulo 95 i 1 This
18. SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 5 28 5 acHIPTOOL fol x File Flash CHIP Tools Info Scan for IPC CHIPs atthe network sm Name Jonorfp eme eaen Target 1D io ype No 004DE3 192 168 2 88 255 255 255 0 192 168 2 254 003056804DE3 2 0 ETH OO5FSE ID_FEP No 192 168 2 70 255 255 255 0 192 168 2254 SC13 OO3056805FS9E 20 ETH 006902 BCNRX No 192 168 2254 SC13 003056806902 20 ETH 012490 192 168 2 72 255 255 255 0 192 168 2254 Collect Mode 7 Help Ss Cont Halted Sorted by Snr Open popup menu with right mouseclick at table rows The serial number shown in the first column of the list must match the serial number printed on the processor s enclosure If the list stays empty the LFTX RX chassis is not connected properly If there are more entries in the list the configuration program has found other devices in this network segment which use the same technology Now type CTRL I to open the IP configuration window of the program In this form enter the processor s serial number it s new IP address and network mask If the LFTX RX later shall be operated through a router enter the address of the router on the gateway field otherwise leave this field blanc Be sure that the DHCP mark is unchecked Finally click to the Yes button to set the new parameters at the LFTX RX chassis IP configura
19. Serial 31 2 LAN J1 3 Alarm LNK J1 1 Alarm connector Pin Alarm contacts DSUB 9 male NC1 closed if ok open in fault state COM1 common for fault relay 1 NOL open if ok closed in fault state not connected not connected NC2 closed if ok open in fault state COM2 common for fault relay 2 SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 7 28 8 NO2 open if ok closed in fault state 9 noccomeced J1 3 Serial connector RS232 serial interface DCE DSUB 9 female not connected TxD output internally bridged to pin 6 GND internally bridged to pin 4 internally bridged to pin 8 internally bridged to pin 7 not connected J1 2 Network Connector Ethernet 10 100Base T RJ45 2 3 4 RF connectors On the rear side the in out RF connectors are placed Depending which card is placed in the corresponding slot the connector is an in or an output If e g in slot 1 a LFTX card is placed the connector I O 1 is a RF input If there is placed a LFRX card I O 1 is a RF output In the standard configuration all RF connectors are SMA 500hm female connectors If you need other connectors e g BNC or F or an 75Ohm impedance contact us we are able to customize the sat nms LFTX RX O O 4 VO 10 On the front side of every LFTX or LFRX card you can find a SMA connector female labeled with TPo
20. The user manual is available as a printed document and for on line reading on the optical links itself as well The sat nms LFTX RX fiber optical link is a high performance transmission system which transmits a complete frequency band with all its separate carriers over a single mode fiber with length up to 5km The big advantages of fiber optical links are Lightning protection Fully isolated between the two destinations No ground loops bug proof Two types of optical converters are available sat nms LFTX optical transmitter which converts from IF input spectrum to optical output at 1310nm sat nms LFRX optical receiver which regenerates the optical signal back to an IF spectrum SatService offer the LFTX RX modules for different frequency bands sat nms LFRX L and LFTX L 950 to 2150MHz sat nms LFRX B and LFTX B 50 to 2150MHz sat nms LFRX 10 and LFTX 10 950 to 2150MHz and 10MHz reference frequency for BUC The paragraphs below give a short overview to the contents of the documentation A subset of this documentation is stored on the device itself the complete documentation is available on the sat nms documentation CD and at www satnms com e Installation The installation chapter guides through the installation and setup of the sat nms LFTX RX It describes the mechanical concept of the chassis and the assignment of the connectors Finally you learn in this chapter how to set the sat nms LFT X RX s IP addre
21. asse 9 fax 49 7738 97005 78256 Steisslingen www satnms com Germany satnms support satservicegmbh de Version 1 3 2010 07 09 SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 4 28 2 Installation This chapter describes how to install the sat nms LFTX RX Fiber Optical Link You find a guide how to connect configure and mechanically mount the equipment below Before you start please first read the Safety Instructions chapter below It contains some important recommendations to prevent damage from the equipment Then we strongly recommend to do a first setup of the unit on a lab desk before installing it at it s final location This is mainly for the following reason 1 To setup the IP parameters the PC used for configuring and the chassis must either be connected to the same Ethernet hub switch or must be connected directly with a crossover cable The initialization program does not work through routers intelligent network switches Hence the typical sequence of tasks when putting an sat nms LFT X RX into operation is as follows Read the chapter Safety Instructions Set the unit s IP address Mechanically installation of the chassis Connecting the LFTX RX Configuring the LFTX RX Us whe 2 1 Safety Instructions Failure to observe all Warnings and Cautions may result in personnel injury and or equipment damage not covered by the warranty e ATT
22. col or NONE to switch the communication mode to a plain text protocol Note Enter here the Name of the LFTX RX chassis This name will be displayed on the top of the Master Ch or Slave Ch page In case of using the LFTX RX in master slave mode you can change the master s name with the parameter Note Master Unit and the slave s name with the parameter Note Slave Unit Redundancy Choose between the parameters auto manual or off Please refer to the Redundancy parameters SNMP Configuration Read Sets the SNMP community string expected for read access The default is public Community Write Sets the SNMP community string expected for write access The default is public Community Trap Sets the SNMP community string sent with traps The default is public Community Trap Enter the trap destination IP address dotted quad notation to make the unit sending Destination IP traps by UDP to this host Setting the parameter to 0 0 0 0 disables the trap generation 1 Trap Enter the trap destination IP address dotted quad notation to make the unit sending Destination IP traps by UDP to this host Setting the parameter to 0 0 0 0 disables the trap generation 2 Trap Enter the trap destination IP address dotted quad notation to make the unit sending Destination IP traps by UDP to this host Setting the parameter to 0 0 0 0 disables the trap generation 3 Trap Enter the trap destination
23. e manual you can manual switch a faulty card to the redundant slot off disables the redundancy switching C 2013 SatService GmbH www satnms com LF UM 1301 Page 9 28 3 Operation The sat nms LFTX RX Optical Link is designed to be controlled over a network link using a standard web browser This means in practice that the user interface to the unit appears in your browser window after you type in the chassis IP address in the address field of the browser program Additional the LFTX RX gives you the opportunity for local control For more informations read chapter Front panel Operation Operating the sat nms LFT X RX is mostly self explanatory 3 1 The Web based User Interface After having connected the LFTX RX chassis to a power supply and set the IP address you can access the user interface To do this start your favorite web browser program Internet Explorer Netscape Navigator Opera or what else Program you prefer At the address field where you normally enter the URL of a web page you want to see type in the IP address of the sat nms LFT X RX chassis you want to control The LFTX RX shows a web page consisting of a navigation bar at the left side of the browser window and the actual readings of the fiber optical links in the main part of the window The navigation bar at the left contains seven buttons which build the main menu Master This button switches back to the main page you already see when you connect to th
24. e the values by pressing the Slave Ch button and on the Master Ch page only only a communication fault is displayed If the sat nms LFTX RX is configured as single unit the parameters of this unit are displayed anyway one both pages Underneath all the measured parameters of the LFTX or LFRX cards are displayed for every slot In the first line of every slot field you can read the number of the slot whether a LFRX a LFTX or no card is placed to the corresponding slot and the name of this slot The Name of every slot can be changed in the Config menu On the right side of every slot field you can see the summary state of the corresponding slot The following states can be displayed Parameter Description Name OK All parameters are within the given range everything is ok green FLT red One or more parameters is out of range fault state STBY Only slot 3 and or 8 If slot 3 or slot 8 is configured as a redundancy slot STBY standby black is displayed when the placed card s are in wait state ACT Only slot 3 and or 8 If slot 3 or slot 8 is configured as a redundancy slot ACT is shown green when the card is working 3 2 1 Reading of LFRX receiver card Slot 2 RX Rx2 i Opt UP Pwr 0 00mW Fit T Attenuator OdB RF Pwr 90 dBm Fit Remote OFF RF Thresh 99dBm OK If a LFRX card is installed you can read the following parameters Parameter Description Name Attenuator An integrat
25. e unit This Ch page displays the actual readings of the master chassis Slave This button switches to a page with the actual readings from the slave chassis if one is configured Ch Config By clicking to this button you switch to the Configuration page where you can view and change the common operational settings of the optical links for the master and slave chassis Alarm The alarm log shows all occurred alarms with time and date e R E This button switches to the Setup page which lets you inspect or change less common parameters which usually are set only once to adapt the LFTX RX to it s working environment Info This shows a table with information like the serial number of the device or the revision ID and compilation date of the software Help Clicking to this button shows the on line version of this user manual 3 2 Display Readings With pressing the Master Ch button all the parameters of the master chassis are displayed On the top of the page you can read the name of the unit that can be set on the Setup page Also you can see the state of the 2 power supplies and the frame temperature With pressing the Slave Ch button all the parameters of the slave chassis are displayed in the same way as for the master If the communication broke down you can only see the parameters of the unit on which website you are on For example the unit on which website you are on is configured as a slave you can only se
26. ed attenuator makes is possible to attenuate the RF signal in 1dB steps from 0 to 31dB The selected value is displayed here If the parameter Remote is ON you can easily change the attenuation value by clicking on it Now you can select the desired value from a drop down box Pressing the Submit button applies the new attenuation If the parameter Remote is OFF is is not possible to change this parameter by remote control Remote It is possible to change some settings of the LFRX card remote e g via web browser interface or local only on the front panel of the card The current state of the hardware remote local switch on the corresponding card is shown here Opt IP This parameter shows the received optical power The label FLT or OK behind this Pwr parameter tells you if the value is in the range OK or not FLT The values are given by the LFRX card and can not be changed SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 10 28 RF Pwr This value shows the output RF power of the LFRX card The label behind this parameter tells you if the value is in range OK or not FLT The values are given by the LFRX card and can not be changed RF The RF threshold is a parameter that can bet set to any value gt 99dBm in the configuration Thresh menu If the current RF power is below the RF threshold it shows a red label FLT If the RF power
27. ervice Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH WWW satnms com LF UM 1301 Page 6 28 2 4 1 Optical receiver and transmitter cards Attention Optical Radiation If connected to a power supply the LFTX RX provides invisible laser radiation The source is class 3R Laser diode as defined in DIN EN 60825 1 2001 11 with PO 2mW Lambda 1310nm Never look into fiber optical components like connectors or fibers Use an infrared viewer optical power meter or fluorescent screen for optical output verification It is possible to realize up to 10 optical links with one sat nms LFTX RX chassis 2 Slot 1 a le Slot 6 2 mm ke Slot 2 dk Slot 7 a 2 Slot 3 a 2 Slot 8 2 2 Slot 4 a la Slot 9 2 2 Slot 5 a le Slot 10 a On the front side of the enclosure you find 10 slots where up to 10 cards can be placed in If the chassis is equipped with the redundancy enhancement it is possible to use slot 3 and or slot 8 as redundant slots Read chapters Config Parameters and Setup Parameters for instructions how to use this configuration and how to configure the redundancy It is possible to place a LFRX or LFTX card in every slot To install the desired card put it into the slide rail until the front plate of the card contacts the mounting rail The card has to slide in smoothly If not pull the card out and try again Otherwise the connectors on the card edge or on the backplane might be damaged After that fi
28. evel e g if a cable break occurred the LNB current alarm will be set LNB This parameter defines the LNB current maximum level In case of over running this level Curr Max e g if a short circuit occurred the LNB current alarm will be set 3 3 3 Empty slots Red Slot 1 Note Rx NO Card NONE If NONE is chosen as card type you can change the following parameters Parameter Description Name Note You can give every slot a name with up to 18 characters Click on the Hyperlink in the picture beyond Rx1 a page to change this parameter will be opened Type in here the desired slot name and press the submit button Card To change the card type click on the field and a new page will be opened Now choose the desired parameter RX TX NONE from the drop down menu and press the submit button to pass the changed parameter to the chassis 3 4 General Setup The page Setup contains the sat nms LFTX RX installation parameters Installation parameters are those which are assumed to be changed less frequently than the operational parameters on the configuration page The page displays a table with the parameters actually set Each parameter value is a hyper link to a separate page which lets you change this parameter This parameter change page shows the actual parameter setting either in an entry field or in a drop down box You may change the parameter to the desired value and then click to the Submit b
29. ferent modules with the help of a laser diode to a optical output signal with a wavelength of 1310nm This is the standard wavelength used by most of the laser diodes But it is also possible to select another wavelength on request by selecting another laser diode sat nms sat nms LFTX RX LFTX RX chassis up to 4km fiber optical links chassis N ai EEE Ji T tree Ba Em EM co a tree tree mn T a x x This example shows a satellite receive and transmit application with two antennas and at different locations but with one sat nms LFTX RX chassis which handles all signals from both antennas and the uplink signal to the second antenna In this case the satellite modulator delivers its L Band or 70MHz signal to the optical transmitter located for example in the central building and at the end of the optical fiber link a optical receiver regenerates the RF signal spectrum which can be delivered for example to a block up converter BUC As already explained in this TX application it is also possible to provide the 10MHz reference frequency for the BUC via the same optical link You can see in this block diagram also the redundant configuration of the receive path from the first antenna sat nms sat nms IRD Receiver IRD Receiver IRD Receiver IRD Receiver Modulator Modulator Measurement equip SatService Gesellschaft f r Kommunikationssysteme mbH
30. in 1 characters The unit sets the fault if the communication to the corresponding chassis is not possible This fault flag is only valid if the LFTX RX chassis is configured for master slave mode The internal fault shows that there is a problem with the internal communication between different components of one sat nms LFT X RX chassis The unit sets the switch fault if there are problems with the internal or external e g wave guide switches for the redundancy switching The meaning of the fault characters are 0 means OK and 1 means FAULT http 192 168 2 81 rmt alrm alrm S10R000010000100000000000L0000000000T0000000000C000 The example shows an master chassis where the following alarms are active power supply 1 rf fault of slot 5 and 10 Please keep in mind that not all slots have to be equipped with LFRX or LFTX cards and the empty slot may show a fault Measurement and setting lists Some commands returns a comma separated list of measurements or settings for all slots of a chassis So SatService Gesellschaft fiir Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 21 28 you get 10 values at ones http 10 0 0 1 rmt powm This returns for each slot of the master chassis the optical power level Empty slots are marked with povm 1458 1466 1454 1454 Plugged unplugged Cards The commands plcm and ples return a comma separeted list of the state of all boards ht
31. l link can transmit this combined multiplexed frequency signals Each fiber optical link FOL consists of two destinations which are interconnected via a fiber optical cable On one side of the link is the optical transmitter and on the other side is the optical receiver Both modules are Euro card sized 100x160mm printed circuit boards which are plug into a 2U 19 chassis The chassis includes a redundant power supply two backplanes to connect to the modules an M amp C printed circuit board and at the front panel a keyboard and display as local user interface Each chassis can contain 10 of the optical link modules in any combination whether they are optical transmitters or receivers The sat nms LFTX RX optical link is a broadband device and transmits transparently the complete RF spectrum from one site to the other All modulation formats whether they are analog or digital can be transmitted transparently The RF signal is directly modulated on to a high performance laser diode and adds no phase noise or frequency instability to the original signal The result is a very good signal quality Due to the very stable design of the optical transmitter and receiver electronics there is no need for an Automatic Gain Control AGC within the circuits So the link is compared to other vendor s solution really transparent Certainly a Manual Gain Control MGC function is included which can be also adjusted from remote in a wide range of 30dB The optical
32. lease make sure that the unit to which you connect can handle 15V D C voltage on its RF L Band input Some L Band IF distribution equipment does not have D C blocks included and the unit could be damaged If you are not sure how the interfacing equipment will behave switch off the LNC supply voltage in the Setup menu or in case of local controlling by hardware switch before you connect the cable e The LFTX RX can be damaged if the total RF input power is higher than 10dBm specified maximum value Do not connect equipment where the total output power is higher than the specified value of the data sheet or indicated on the LFT X RX unit e In case of a failure do not open the sat nms LFTX RX you will loose warranty call SatService GmbH for an RMA number e Observe normal safety precautions when operating servicing and troubleshooting this equipment e Take standard safety precautions with hand and or power tools e When connecting the units fault relay circuits observe the maximum ratings 110V D C 300mA 125V A C 500mA 2 2 Setting the IP Address Before you can operate the sat nms LFTX RX Optical Link you need to set the unit s IP address There is a special configuration program on the documentation CD shipping with the unit for this purpose We recommend to configure LFTX RX TCP IP settings before you install chassis at it s final place To configure LFT X RX the following equipment is required e The sat nms LFTX RX L Band Optical Li
33. line shows the corresponding state of every slot On the right side the power supply states are displayed The first character behind PS shows the state of power supply 1 the second character represents the state of power supply 2 In this example slot 1 is empty slot 2 and slot 3 are in alarm state slot 4 10 are on OK state power supply 1 is in OK state and power supply 2 is in alarm state description Alarm Fault Warning normal O on white ground OK no fault negative O on black ground now OK but a latched faults exists if a failure occurred and disappeared again You can reset this negative O to a normal O with clearing the latched faults no card installed in this slot If the LFTX RX chassis is used in master slave configuration the display shows the state of both units the upper line belongs to the chassis you are looking at the lower line belongs to the corresponding unit The first character shows if the unit is configured as master M or as slave S The following characters show the states of every slot from slot 1 to slot 10 and the state of the 2 power supplies In this example the unit you are looking at is a master unit slot 1 is empty slot 2 4 are in fault state slot 5 8 and slot 10 are in OK state slot 9 is in warning state The power supply 1 of the master is OK and power supply 2 in alarm state In the corresponding slave unit slot 1 us empty slot 9 has a warning and all other
34. ller E N Optical Transmitter Modules with Amplifier Coupler and DC Bias AASA e e TE s e ere PEE A PER Masa et lS tele 2 In 10 non Redundant EA 110 230Y AC 5 5 Outline Drawing 2 HU unit with 10 slots Link 2 Link 3 or Red Link 6 Link 8 or Red Link 9 Link 10 RS232 WO Interface Lau SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 26 28 SatService Gesellschaft f r Kommunikationssysteme mbH 345mm 88 1mm OOO do o o O 0 0 ol 4 oa for Distribution Unit Multiswitch 427 mm O O Space f Iistribution Untt or Multauitch OO ONO OJO D OO SARE OO OIO O O C 2013 SatService GmbH www satnms com LF UM 1301 Page 27 28 6 Specifications RF Specification Frequency range 950 to 2150MHz or 50 to 2150MHz L Band Input Connectors Transmitter L Band Output Connector Receiver L band input test connector L band output test connector Optical connectors SMA female 500hm or BNC female 750hm S MA female 500hm or BNC female 750hm SMA female 50 Ohm SMA female 50 Ohm Input Return Loss Output Return Loss Input Noise Figure Gain adjustable via local and remote interface E2000 or FC APC 15 to 15dB in 1dB steps Flatness 1 5 d
35. lly switchover is disabled for this card This setting only works if the parameter Redundancy in the Setup menu is set to auto The manual redundancy switching is possible whatever this parameter is set to Note You can give every slot a name with up to 18 characters Click on the Hyperlink in the picture beyond Rx1 a page to change this parameter will be opened Type in here the desired slot name and press the submit button Card To change the card type click on the field and a new page will be opened Now choose the desired parameter RX TX NONE from the drop down menu and press the submit button to pass the changed parameter to the chassis RF Offset This parameter is a factory setting that has not to be changed by the customer Depending on the LFTX RX chassis configuration the card has different internal RF attenuation This value defines the offset to guarantee that the displayed value matches the real values at the V O connectors Diode RF This parameter is a factory setting that has not to be changed by the customer Depending Offset on the LFTX RX chassis configuration the card has different internal RF attenuation This value defines the offset to guarantee that the displayed value matches the real values at the V O connectors LNBDC LFTX cards are able to power LNCs with 15VDC This parameter switches the 15VDC to the on or off This parameter defines the LNB current minimum level In case of under running this l
36. n reverse chronology Put the power supply into the slide rails until the front plate contacts the mounting rail After that fix the power supply with the provided screws to ensure a proper contacting of the connectors on the power supply with the connectors on the backplane ATTENTION To avoid the possibility of an electrical shock never handle with a power supply that is connected to mains 2 4 3 D C and data connectors The Alarm and data connectors of the sat nms LFTX RX chassis all are located at the rear side of the enclosure up right The figure below illustrates the location of the connectors and the pin out The LED PS shows the presence of one or two power supply ies The LNK LED turns on when there is some traffic on the LAN the chassis is connected to To release the MNC board open the screws with which the card is fixed at the mounting rail Now turn in the screw into the screw thread beside to push the card out of its socket After that you can pull the card out of the unit To install the MNC board again put it into the slide rail until the front plate of the card contacts the mounting rail Please pay attention The board has to slide in smoothly If not pull the card out and try again Otherwise the connectors on the MNC board or on the backplane might be damaged After that fix the card with the provided screws to ensure a proper contacting of the connectors on the MNC board with the connectors on the backplane J1 1
37. nd the L Band test ports the rear side contains the corresponding L Band In Out connectors and also the the AC power and Data connectors C0 nt a O0 mm r 2 PL TA ocos Liga a HE FOSO PEEA de ONE TEET o ET OS EES e a 982 A bi 2 888 n le x A l poste Ea dp SSTLzT a 5559 In 10 4 L When you connect the L Band Optical Link chassis please consider the following J1 2 LAN is the Ethernet 10Base T RJ45 connector Use a standard network cable to connect the LFTX RX to an Ethernet hub or switch If you want to connect your computer and the unit directly without using a hub you need a crossover cable for this with swapped RX TX lines J1 1 serial is a standard 9 pin RS232 DCE SUB D pin connector You may use a direct 9 pin cable to connect a PC to the LFTX RX The RTS CTS and the DTR DSR lines are bridged in the unit to simulate hardware handshaking They need however not to be connected if you want to use a 3 wire cable J1 3 Alarm is a standard 9 pin SUB D socket connector This connector contains the alarm contacts of the internal failure relays PS1 and PS2 are the power inputs Use only IEC plugs to connect the power supplies Do not forget to connect the GND labeled screw to the ground potential The input output and Test port RF connectors are all SMA 50Ohm female in the standard configuration The fiber optic connectors are E2000 or FC APC types depending on the configuration SatS
38. nk itself e 110 240V A C power e A Computer running a Microsoft Windows operating system equipped with CD ROM drive and Ethernet network card e ACATS crossover network cable or a Ethernet hub switch and standard network cables to connect the LFTX RX and the computer e The CD ROM shipping with the sat nms LFTX RX Setting the chassis IP parameters now is easily done within a few minutes 1 First install a network cable between the LFTX RX chassis and your computer If you have a crossover cable available this is very easy simply put the cable into the network connectors of computer and LFTX RX chassis Without a crossover cable you need to connect both the computer and LFTX RX chassis to the same network hub or switch using two standard network cables It is essential that the computer and the LFTX RX chassis are connected to the same network segment the configuration program is not able to find the LFTX RX chassis through routers or network switches 2 Now power on your computer and connect LFTX RX chassis to the 110 240V A C supply 3 Insert the CD ROM into the computer s drive and inspect it s contents through the My Computer icon on your desktop Double click to the ChipTool exe program in the ChipTool directory 4 When the ChipTool program is running type CTRL F to make the program search the LFTX RX The program shows a list containing at least one entry describing the actual network parameters of the LFTX RX
39. of the monitoring control board is based on the same controller with integrated web server which SatService has successfully used in all other products of the sat nms family as well The chip has the following advantages Real Time Operation System with FTP HTTP SNMP over TCP IP Serial Interfaces No external RAM and ROM components 10BaseT RJ45 Interface 5 4 Redundancy switching A novel and additional feature of the sat nms LFTX RX system is the capability to switch complete optical links and restore operation within a second if one of the optical links gets defective This can effectively increase the availability of optical transmission systems In order to provide this feature the LFTX RX chassis can be equipped with a different internal back plane which includes the necessary L band switches and the software with redundancy switching capability A common applications example is a connection of a Ku Band antenna which normally provides 4 L band outputs from 4 LNCs 11 12GHz and Horizontal Vertical to a central building or a teleport In this case a 5th module will be integrated in both the optical transmitter and the optical receiver chassis on both sides of the link All 5 links will be monitored and controlled via the M amp C module in the master chassis The two M amp C modules talk to each other via TCP IP and one is the master module which initiates the redundancy switching The master module provides also the M amp C information for
40. omm choice between HTTP or RS 232 depending in this selection you have to set one of the following settings IP corresp In case of selecting the master slave communication to HTTP you have to type in here Chassis the IP address of the corresponding chassis Adr corresp In case of selecting the master slave communication to RS 232 you have to type in here Chassis the RS 232 address of the corresponding chassis 3 4 2 Redundancy parameters If your sat nms LFT X RX chassis is not equipped with a redundancy switching option you have to choose off With disabled redundancy slot 3 and slot slot 8 can be used for a common optical link Parameter Name Description Redundancy Select here intern extern intern2 or extern2 If you choose none no Redundancy Definition is selected Intern enable the internal redundancy definition External means the switching of an external device like a waveguide switch If you select intern2 the left and the right column of the LFTX RX chassis will be switched synchronous The behavior is the same for extern2 but for an external device Please refer also to Theory of Operation The external switching is only available on request If the automatically redundancy switching is enabled auto the LFTX RX switches automatically to slot 3 if a fault occurs in slot 1 2 4 or 5 and to slot 8 if a failure occurs in slot 5 6 9 or 10 If set the redundancy to manual mode you can s
41. plication either through the TCP IP interface or through a serial RS232 interface Both communication methods use the same commands and parameters however there are different frames around each message depending communication method used The third method is SNMP Controlling the device from the web interface the TCP IP remote control interface the SNMP interface or via the serial interface is completely equal commands may sent to any interface at any time the LFTX RX will use the parameter it receives last 4 1 General command syntax The LFTX RX knows a number of parameters each identified by a parameter name To set a certain parameter to a new value a message name value has to be sent to the device The LFTX RX interprets this command checks the range of value sets the internal parameter and then answers name value The value in the reply is the value actually recognized by the device For instance if the requested value was out of range the replied and internally used value is limited to the applicable minimum or maximum To read a parameter from the LFTX RX instead of a new parameter value a question mark is sent name The device replies the actual value in a complete message name value A complete list of the parameter the sat nms LFTX RX knows is shown later in this document in chapter Parameter list Below some common rules applying to the remote control message syntax are summarized e Parameter names alwa
42. protocol type is known as MOD95 or Miteq protocol The LFTX RX also packs it s reply in a protocol frame as described above incomplete frames checksum errors or address mismatches let the device ignore the message The time between the characters of a message must be less than 5 seconds or the device will treat the message as incomplete If the LFTX RX is set to the device address NONE it uses a simple line protocol instead of the framed protocol described above Messages sent to the device have to be terminated with a carriage return character ASCII 13 the device terminates replies with a CR LF pair ASCII 13 10 There is no echo for characters entered hence this protocol easily may be used for computer based remote control 4 4 SNMP Control The sat nms LFTX RX contains an SNMP agent listening at UDP port 161 The SNMP agent provides a common subset pf the MIB II system interface parameters and gives full access to the remote control capabilities of the LFTX RX with a number of MIB objects placed in the private enterprises tree The actual MIB file defining the sat nms LFTX RX Optical Link private MIB may be downloaded from the unit itself by FTP user service password service The file LFTXRX MIB contains all necessary information A link to this MIB file is also included in the web interface on the setup page 4 5 Parameter list The table below shows the complete list of M amp C parameters the sat nms LFTX RX chassis kno
43. sat nms LF TX RX Optical Links User Manual Version 1 3 2010 07 09 Copyright SatService Gesellschaft fiir Kommunikatiosnsysteme mbH Hardstrasse 9 D 78256 Steisslingen www satnms com www satservciegmbh de Tel 49 7738 97003 Fax 49 7738 97005 SatService Gesellschaft fiir Kommunikationssysteme mbH Table Of Contents Tabl OT C ONEENS o ee abone l Tr OC One a a a er ee ee 3 A E E E AE E E E E E E E EE E E E E E EE 5 DMS Abe TST eO ae ee see 5 DD SCUIMO IP Address a nee O 5 ZO MIC CHamic al NS AMA NOU A ESA AA AAA A AN 6 2 4 Conneetins the satams LETRA A ina 6 241 Oplicalreeeiver and tramsmitier Cards 22 oia 7 ZA Power connectors and Power SUPPE S nerd as 7 ZAS HC and data COME ee 7 DD PAGE CODE 6 10 0 eai N E te E N 8 23 I OPUCAlC ORME CO Suite disidencia is 8 2A GContistitino Ahe Opie l LIARS eoe AE AA iia 8 POS TAU OT a 10 Sal The Web based User interlace sa 2 22 2 2 ir 10 Sec Display REAME S aaa E DERE 10 3 2 Reading Ol LER X receiver Card antros 10 3 22 Read ns Sr EFTX transite r Sal ee 11 323 Read ns or CUIDlY SOS ta A tods 11 3 3 Configuration of operational parameters occocccocnncnncnnncnncnonnnncnncnoncnnnnnnnnncnnnnonnnnnnnnnonnnnnnnnnonnnnnnonos 11 Jol ontiouration OF EFRA receiver Cdad a ie 11 232 Contisurati n ot LPFX mansmiter card cid 12 3 ENDE LO e COn RA 12 SS A 12 34 1 Master Slave mode parameters ii caiacad 13 34 2 Redundancy Para me ers a o ea cad e dd 13 340 Conmoure the
44. several days if the main power is missing This is the preferred mode of RTC backup for stationary installations of the LFT X RX For applications where the ATNMS LFTX RX is powered up only occasionally a lithium cell may be connected inside the chassis in order to provide a permanent buffering of the clock 3 5 Front panel Operation The front panel of the sat nms LFTX RX chassis provides a LCD and a small keyboard for operating the device locally Display The 2 line display normally shows the actual fault state of every slot and also the 2 power supplies During menu operation it is used to view and edit each individual parameter of the LFTX RX The following screen is shown the first few seconds the unit is running The lower line shows you the installed software version You can take a look at the software version on the LFTX RX website with pressing the INFO button as well LEDs Three LEDs at the front panel signal the summary state of the chassis e The Remote LED is on while the unit is controlled from a remote computer via network or serial interface There is no exclusive remote or local lockout mode with the sat nms LFTX RX Local operation of the LFTX RX is still possible while the device is accessed remotely The Remote LED is just an information that someone from remote talks to the device and a local change of parameters may interfere with this The Test LED should not be on during normal operation of the unit If the Te
45. slots and the power supplies are OK If a communication fault between master and the slave chassis occurred COMM FAULT is displayed in the lower line 3 5 2 The Main Menu The menu mode lets you view and change settings of the sat nms LFTX RX From the display mode you enter the menu by pressing the GBkey To leave the menu repeatedly press the EMkey until the display screen appears again If there are no keystrokes for 2 minutes the unit automatically leaves the menu and returns to display mode Depending if a slot is configured as a RX or TX slot the structure changes in some parameters The following diagrams shows both possibilities Slot 1 gt RX Slot 2 gt TX The menu structure depends also if the chassis is configured in single or in master slave mode The structure is shown in the two diagrams below The first one shows the menu structure of a single unit the second shows the structure of a master slave unit SatService Gesellschaft f r Kommunikationssysteme mbH MENU L A haa li FAULTS MEASUREMENT SETTINGS SETUP m Slot 1_ _ Slot 1 RX Slot 1 RX Chassis type H Slot 2 HI RF Power H Card RS232 Address Optical PPower i RF Offset RS232 Baudrate Slot 10 Slot 2 TX RF Threshold i Redundancy RF Power Attenuator SNMP Traps Optical O P Power C St2 TX SNMP Trap IP 1
46. so the latches state of these flags From the main menu select FAULTS and press Dto see the faults display The fault states are represented by a 2 character memnotic label description OK Parameter ok WN Warning state Sa tService Gesellschaft fiir Kommunikationssysteme mbH Slot 2 TX Optical O P Power Slot 1 RX Optical I P P ss T RF diode Offset Slot 10 Slot 10 SETTINGS SLAVE CHASSIS 1 2 3 SETUP Red Man Left Red Man Right SNMP Traps SNMP Trap IP 1 SNMP Trap IP 2 SNMP Trap IP 3 SNMP Trap IP 4 C 2013 SatService GmbH www satnms com LF UM 1301 Page 16 28 SatService Gesellschaft fiir Kommunikationssysteme mbH AL Alarm state parameter out of range The example below shows two examples of a faults display page The first example shows the Fault Display of a LXRX card The following parameters are shown Parameter Description SLOT 1 Number of the slot which faults are shown actually OpP Optical input power state here an alarm is displayed RFP State of the RF output power here an alarm is displayed THR Shows if the RF power is in range of the user defined threshold here an ok state is displayed The second example shows the Fault Display of a LFTX card The following parameters are shown Parameter Description SLOT 2 Number of the slot which faults are shown actuall
47. ss which is a essential precondition to operate the sat nms LFTX RX by means of a web browser This section is available in the printed version only e Operation The sat nms LFTX RX is operated using a standard web browser like the Internet Explorer or Mozilla Firefox The user interface design is straight forward and clearly structured Operating the sat nms LFT X RX is mostly self explanatory Nevertheless the Operation chapter outlines the map of web pages which make up the sat nms LFTX RX user interface and elaborately describes the meaning of each alterable parameter e Remote Control The sat nms LFT X RX provides a versatile remote control interface A monitoring amp control software may fully operate the sat nms LFTX RX either through a TCP IP network connection or through the RS232 interface of the sat nms LFTX RX This chapter describes the communication protocol used for remote control and lists all parameters accessible through the remote interface e Theory of Operation This chapter gives a short overview how the optical links work and which features are supported e Specifications At the end of the document the specifications applicable to the sat nms LFTX RX are summarized in this chapter Support and Assistance If you need any assistance regarding our sat nms Optical Links don t hesitate to contact us We would be pleased to help you by answering your questions SatService GmbH phone 49 7738 9700 3 or 4 Hardstr
48. ssis Type of the future slave unit to Slave see Setup Page Now select the communication type between master and slave RS232 or HTTP see Setup Page Type in the IP or RS232 address of the corresponding master unit see Setup Page Master unit e Set the master unit to the desired IP address How to do this is written in chapter Setting the IP address e Set the parameter Chassis Type of the future master unit to Master see Setup Page e Now select the communication type between master and slave RS232 or HTTP see Setup Page e Type in the IP or RS232 address of the corresponding master unit see Setup Page General e Now connect both chassis via IP network or via RS232 cable The communication fault will no more be displayed Instead of the communication fault you can see the settings and the parameters of the corresponding chassis on the website and on the front panel display e After that you can do the required configuration of both units The configuration of the slave will be saved on the slave unit and on the master unit as well ATTENTION If you change the configuration of the slave unit without an existing connection to the master unit all these settings will be over written by the Master unit on accomplishing the Master Slave communication the next time 3 4 4 Real Time Clock battery backup The sat nms LFTX RX real time clock is backed up by a gold cap capacitor The gold cap supplies the RTC chip with power for
49. st LED is on there has occurred a latched fault A latched fault means the fault has been there but it doesn t t exist no longer So the Test LED is on to inform you that there has occurred a fault You can see in the Alarm log which fault occurred The Alarm LED is on while the unit is in alarm state This is the same condition which controls the fault relay output Keys The front panel keyboard provides beside the numeric keys four arrow keys and two keys named ENTER and CLEAR The general meaning of the keys remains constant through all levels of the menu The ENTER key descends in the menu tree accepts and stores changed values The CLEAR key leaves to higher menu levels abandons changes when editing parameters It also resets the alarm buzzer when in display mode SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 14 28 S S The arrow keys navigate in the menu in some cases they also increment decrement values 0 9 The number keys are to enter numeric parameters 3 5 1 Display Mode The display mode shows the actual fault state of all slots and the 2 power supplies in the display This is the default mode the LFTX RX enters it automatically after power on Depending on the configuration the default display looks like this If the LFTX RX chassis is used in single mode the upper display line shows the the number of the slots the lower
50. t twice returns to display mode 3 5 3 Editing Numeric Parameters To change a numeric parameter like the the RF offset select this value from the SETTINGS menu The upper display display line describes the parameter the lower line shows it s value To set a new value press ED This clears all figures from the value display and shows gt _ at the first column to signal the editing mode Using the number keys you enter the new value The digits fill the entry field from right to left like with a pocket calculator The 2 CDkeys enable you to write a dot or a minus The COkey may be used to delete the last digit To accept the edited value press ED This checks the entered value against it s limits and executes the parameter change Pressing E amp twice the first key press clears the display leaves the editing mode without changing anything 3 5 4 Editing Multiple Choice Parameters To change a numeric parameter like the RS232 interface baud rate select this value from the SETTINGS menu The upper display line describes the parameter the lower line shows it s value To set a new value press ED This changes to the editing mode signaled by a gt character in the first column Use the DU or keys to change the value To accept the changed value press GD Pressing leaves the editing mode without changing the value 3 5 5 Fault Display The fault display page lets you view the actual state of all fault flags and al
51. the slave module so that the operator does have all information available from both if he is in front of the units or if he operates the unit via the web browser interface If one optical link gets defective for what ever reason e g a faulty module or the optical fiber cable is cut the redundancy switching will be initiated in both chassis from the master M amp C module The redundancy switching capability is defined by the back plane in the sat nms LFTX RX chassis and how the switches are route internally in the backplane The principle is that the two columns are two separate redundancy combinations which are internally interconnected by L Band switches So each column itself will provide redundancy where in slot 3 and 8 the redundant modules will be plugged This configuration will be defined in the setup page of the M amp C software via the web browser interface So per 19 chassis with its maximum of 10 modules you can realize two independent redundancy configurations SatService Gesellschaft fiir Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 24 28 SatService Gesellschaft f r Kommunikationssysteme mbH 4 x Out 1 4 x Out 2 4x Out 4 4 x Outs Switched Out 14184 22kHz Switched Out 14 18 22kHz m Dut 6 Out Dut 9 m Dut 10 RS232 WO Interface Optional Equipment at the RX Side H TEL WIV lI Out 1 Out 2 Out 3 Out 4 Out 5 RF Redundancy Switching
52. tion by serial number or MAC ID Serial number or MAC ID 00305680691 4 2 Config Chip IP configuration IP Address 192 168 281 Network mask 255 255 255 0 Gateway 192 168 2 254 Interface 2 Index jo Use DHCP R mm lo o a o JL Configure default ethernet interface Now the IP configuration of the chassis is completed You may finally want to test if the LFTX RX chassis is reachable now Start your web browser and type the chassis IP address into the URL field of the browser The LFTX RX should reply with it s main page provided that the chassis and your computer are configured for the same subnet 2 3 Mechanical installation The sat nms LFTX RX enclosure is a standard 2HU 19 rack mountable enclosure Use slide bars to install the chassis because the mounting angles will not be able to hold the chassis in the horizontal position Fix the enclosure with 4 according screws to a 19 Rack Don t forget to connect the GND screw to the Rack When planning the mechanical installation of the chassis please consider that the connectors are placed at the front and the backside of the enclosure Depending on the flexibility of the cables you are going to use you will require about 10 centimeters space for cabling on both sides of the chassis 2 4 Connecting the sat nms LFTX RX The connectors of the chassis are placed on the front and on the rear side The Front side contains the fiber optic connectors a
53. tp 10 0 0 1 rmt plcm This returns for each slot the configured card type In this example are slot 1 5 are configured a receiver 6 8 as transmitter and 9 10 are empty Please keep in mind that the LFTX RX chassis does not detect what kind of card is installed The return value of the function shows you what the user has configured for each slot plcm RX RX RX RX RX TX TX TX NONE NONE master slave mode The following table shows the which parameters are available for LFRX and LFTX cards SatService Gesellschaft fiir Kommunikationssysteme mbH Parameter LFRX LFTX description note rx tx RF Threshold rx Attenuator rx tx LNB Power tx RF Power rx tx Diode Power tx Optical Power rx tx LNB Current tx RF Fault rx tx Optical Fault rx tx LNB Fault tx Threshold Fault rx C 2013 SatService GmbH www satnms com LF UM 1301 Page 22 28 5 Theory of Operation The sat nms L Band optical transmitters and receivers were developed to cover all applications in the field of satellite communication satellite ground stations VSAT and cable networks The following block diagram shows a typical scenario of a teleport The LNCs at the different antennas provide L Band output signals which have to be routed via long cable runs from the antennas to a central site in this case a switch matrix The optical transmitter converts the analog L Band spectrum or any other RF spectrum in the specification of the dif
54. urns on if the optical input power is above the recommended level You have the possibility to change the following parameters Parameter Description Gain An integrated attenuator makes is possible to attenuate the RF output signal in 1dB steps from 0 to 31dB This switch has 16 steps Use this switch to select the attenuation range to 0 15dB or 16 31dB 0 15 By setting this switch you define the range of attenuation that can be set by the gain switch In the O position it is possible to set the attenuator from 0 15dB in the 15 position the attenuation value can be set from 16 31dB RM LC This DIP switch defines if the card is controlled remote RM or local LC If the switch is in the LC position it is not possible to change the parameters of this card via remote Inferface IP RS232 SNMP or via the front panel keyboard of the LFTX RX chassis Additionally you can measure the following parameters Parameter Description TP out The testport gives you the opportunity to measure the RF Level on the Front panel The 10dB Signal that you can measure here is about 10dB lower than the output signal on the back side of the LFTX RX chassis PWR Here you can measure the level of the RF power The scaling is 50mV dB GND Reference Ground for the PWR measurement GND Reference Ground fort he PDP measurement PDP Here you can measure the optical input power 100mV relates to 100uW C 201
55. ut 10dB Here it is possible to measure the RF Signal connected to the belonging I O connector with an attenuation of 10dB 2 3 5 Optical connectors ATTENTION Optical Radiation If connected to a power supply the sat nms LFT X RX provides invisible laser radiation The source is class 3R Laser diode as defined in DIN EN 60825 1 2001 11 PO 2mW Lambda 1310nm Never look into fiber optical components like connectors or fibers Use an infrared viewer optical power meter or fluorescent screen for optical output verification Depending on the configuration of the LFTX and the LFRX cards E2000 or FC APC FOL connectors are used They are placed on the right side of the cards Pay attention to the polarity of the connectors Otherwise the connectors or the fibers might be damaged Do not allow any dirt or foreign material to get into the optical connector bulkheads This may cause damage to the polished optical connector end faces sat nms LFRX Pa mn A wt 7 OOO0 KLEE emo e gt N PO Max O O j RM x or x DOM wa 15 LE FC APC Min GND PDP u sat nms LFTX TPout 104B Les Oo fA BBE E 2000 Y 5 ES D Nas O tom a qe E wa 15 DCLC FC APC 5 Mn GNO LO u A For details about the front panel operation of the sat nms LFTX optical transmitter card and sat nms LFRX optical receiver card please refer to the chapters Local operation LFRX Card and Local operation LFTX Card
56. ut power LFRX or output C 2013 SatService GmbH www satnms com LF UM 1301 Page 20 28 power LFTX of slave chassis slots rdlu manual auto off Redundancy setting card 1 5 left rdru r w manual auto off Redundancy setting card 6 10 right rdsw r w 0 1 Redundancy switched indication 1 has switched clear with set to 0 redc r w card1 card10 YES NO Redundancy setting for each individual slot card redd none intern extern intern2 extern2 Installed redundancy type backplane redl r w 1 2 4 5 NONE Redundancy position of left slots redr r w 6 7 9 10 NONE Redundancy position of right slots refr 1 3 5 10 Refresh Rate secs remm card1 card10 0 1 Remote 1 or Local 0 setting of each card of master chassis rems r o card1 card10 0 1 Remote 1 or Local 0 setting of each card of slave chassis rfom r o card1 card10 dB RF RF Offset for master chassis slots rfos r o card1 card10 dB RF RF Offset for slave chassis slots rfvm r o card1 card10 dBm RF Power for master chassis slots rfvs r o card1 card10 dBm RF Power for slave chassis slots snom Device serial no master chassis snos Device serial no slave chassis stim o w YYYY MM DD hh mm ss Set date time svrm r o Software version master chassis svrs r o Software version slave chassis thrm r w card1 card10 dBm RF Threshold for master chassis slots thrs card
57. utton on navigation bar Both returns to the config page without changing the parameter you edited You have to change the parameters for every Slot ATTENTION If you use 2 sat nms LFTX RX chassis in master slave mode you have at first to configure and establish the connection between the master and the slave chassis Otherwise all settings in the slave chassis will be over written on accomplishing the master slave communication for the first time The slave chassis will be configured automatically by the master in order to ensure correct redundancy switch function At first you have to set the parameter Card Choice NONE if no card is placed RX if a LFRX card is placed or TX if a LFTX card is placed in the corresponding slot 3 3 1 Configuration of LFRX receiver card Red Slot2 Note Rx2 YES Card RX RF Offset 62dB RF Thresh 99 dBm If RX is chosen as card type you can change the following parameters SatService Gesellschaft f r Kommunikationssysteme mbH Parameter Description Name Red This parameter defines if in case of failure the card will be replaced by the redundant card If this parameter is set to NO automatically switchover is disabled for this card This setting only works if the parameter Redundancy in the Setup menu is set to auto The manual redundancy switching is possible whatever this parameter is set to Note You can give every slot a name with up to 18 characters Click
58. utton to pass the changed value to the LFTX RX The receiver automatically returns to the settings page when the parameter has been changed To cancel a parameter modification you already started either use the Back button of you web browser or click to the Config button on navigation bar Both returns to the config page without changing the parameter you edited The table below lists the settings provided by this page Parameter Description Name General Date Time If you want to set the Date and or the Time type the actual Date and Time in the following syntax YY Y Y MM DD HH MM SS It is not possible to change only one of both parameters refresh rate Here you can configure the automatic refresh time for the Master Ch and the Slave Ch pages You can choose between 1s 3s 5s and 10s Chassis Type Choose here the chassis type single master or slave In case of using the SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 12 28 LFTX RX as master or slave you have to set additional settings Please refer to Master Slave mode parameters RS232 baud select here the bit rate for the RS232 Interface You can choose between 9600 19200 rate 38400 57600 115200 baud RS232 address This parameter defines the communication address to be used with the serial interface You may select an address A G for the packet mode communication proto
59. witch a card to the corresponding redundant card by yourself The automatically switching is disabled Parameter Description Name Red Manual Select here 1 2 4 5 or none If you choose none slot 3 is in standby state With Slot Left selecting 1 2 4 or 5 you switch the chosen slot to slot 3 SatService Gesellschaft f r Kommunikationssysteme mbH C 2013 SatService GmbH www satnms com LF UM 1301 Page 13 28 Select here 6 7 9 10 or none If you choose none slot 8 is in standby state With Red Manual selecting 6 7 9 or 10 you switch the chosen slot to slot 8 Slot Right 3 4 3 Configure the master slave mode Using the sat nms LFTX RX in master slave mode provides the possibility to synchronize two chassis In this mode the states and values of the slave is displayed on the master s website and front panel display And on the slave s website and front panel display the master s values and settings are displayed as well It is possible to change the slave s settings via the master unit and vice versa For using the redundancy switching option the units must run in master slave mode in order to ensure the correct function of the redundancy function of the optical link To configure the master slave mode you have to consider the following order of setup steps Slave unit Set the slave unit to the desired IP address How to do this is written in chapter Setting the IP address Set the parameter Cha
60. ws For each parameter the valid range and a short description is given If the LFTX RX chassis is configured as single unit use the commands which designated for the master chassis The commands for slave chassis are not valid In master slave mode each chassis could give you all information for both units So normally a M amp C system will communicate only with one chassis e g the master and gets all information about master and slave from this unit Common status queries and commands name range format description addr A B C D E F G none RS232 communication address am vo isebe Fat masters as wo isebe Falla ass atpm r o card1 card10 0 1 Attenuator present for master chassis slots 1 installed O not installed atps r o card1 card10 0 1 Attenuator present for slave chassis slots 1 installed O not installed attm r w card1 card10 0 31 Attenuator settings in dB for master chassis slots atts r w card1 card10 0 31 Attenuator settings in dB for slave chassis slots baud DISABLED 9600 19200 38400 57600 115200 Interface baudrate clft o w 1 Clear latched faults diom r o card1 card10 dB Diode RF Offset for master chassis slots dios r o card1 card10 dB Diode RF Offset for slave chassis slots divm ro I card1 card10 dBm Diode RF Power for master chassis slots divs ro I card1 card10 dBm Diode RF Power for slave
61. x the card with the provided screws to ensure a proper contacting of the connectors on the LFRX or LFTX card with the connectors on the backplane Now you have to configure the system after placing a LFRX or LFTX card How to do this is described in chapter Config Parameters To release a card open the screws with which the card is fixed at the mounting rail Now turn in the screw into the screw thread beside to push the card out of its socket After that you can pull the card out of the unit 2 4 2 Power connectors and power supplies Power connectors At first connect the screw labeled with GND to Ground e g to the 19 Rack the chassis is mounted in After that connect the chassis to 110 240V A C via IEC connectors The sat nms LFTX RX is running with only one connected power supply as well but we strongly recommend to use two different power supplies to ensure the maximal system stability In case of one power supply breaking down the system will still be running without problems Power supplies Depending on the configuration the power supplies can be changed during the LFT X RX chassis is running To change a power supply always disconnect the mains of the power supply that has to be changed and wait at least 10s for internal discharge Open the 2 screws with which the power supply is mounted an pull the power supply using the attached handle bar out of the unit To put in a power supply you have to do the same things i
62. y LsD Shows if the laser diode is working here an alarm is displayed RFP State of the RF input power here a warning is shown LNC Shows if power consumption of the LNC is within the user defined range Here an ok state is displayed If no card is placed to a slot only empty is displayed in the fault menu When you press the key during the LFTX RX shows the fault state of a slot you will be ask whether to reset the latched faults To acknowledge this press ED To leave the fault display without resetting the latched faults press ED 3 5 6 Local operation LFRX Card The following picture shows you the front view of a LFRX card nms LFRX Tu nn on Clan opto N j ats O AN AB E 2000 ig A Y PD Max PWR GD NY o m or R es L 1 OO E E FCIAPC A PS Mn GND PDP fo Depending on the card configuration the Opto In connector is an E2000 or a FC APC connector Connect here the optical fiber which signal should be received The following indicator LED s are located on the cards front panel Name Description PD This green LED shows the state of the receive pin diode The LED turns on if there is an optical input connected to this card PS The green PS LED displays the power supply state of the card The LED is on if the power supply of the card is working Max The yellow Max LED turns on if the optical input power is below the recommended level Min The yellow Min LED t
63. ys are of lower case letters most of them are four characters long e Non numeric parameter values always are written in upper case e Numeric floating point values may be specified with an arbitrary precision however the device will reply only a fixed number of places The LFTX RX recognizes a decimal point numbers must not contain any commas e There must not be any whitespace in front or after the in a message e If the command query is not of the form name value or name the LFTX RX replies the message SYNTAX e If the message syntax is OK but contains an unknown parameter name is used the reply is UNKNOWN e Numeric parameters are cut to the limits defined for this particular parameter e Misspelled choice values cause the LFT X RX to set the first value of the choice list e Assigning a value to a read only parameter will cause no fault however the LFTX RX will overwrite this parameter immediately or some seconds later with the actual value 4 2 The TCP IP remote control interface Controlling the sat nms LFTX RX Optical Links through the network is done by means of HTTP GET requests Setting parameter values or querying readings or settings all is done by requesting HTTP documents from the unit The message to the LFTX RX thereby is coded into the URL as a CGI form parameter The device replies a one line document of the MIME type text plain The document name for remote control is rmt hence assuming the LFTX

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