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Access System Centum Series User Manual

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1. 3 24 Line Testing Integrated Access Fractional T1 esse 3 26 Testing the Centum Series sse ener nnns 4 1 CSU p EEUU S en ES 4 2 Access System Centum Series User Manual Payload ee 4 3 CSU Loop with Eit rr ER Perder ilit Ee EH ee PEE 4 5 Payload 4 6 Ine LOOD EE AA erede eet 4 7 DSX 1 E00p 22 sei Ae Ae ae 4 9 Serial Port LOOD lie dpt er e get 4 10 serial Port BERT sehe RO 4 12 Other Features ence nete tr e RR 5 1 Alarms and Statistics Joder eec teer ret Pee Hle oe e i e e et temere 5 1 Alarm Definitions eerie reet HERR ERR NUR E eC e Pee 5 1 ESE Statuses Definitions etre EU tore pieta 5 2 Alarms Statistics Menu 5 3 IBI M 5 5 EVENS 5 6 Event Printing i ces cessed ewe deat tiet ivo pes 5 7 Auxiliary PONS 6 1 fe eee ee Seton aaa os Bo RB etu 6 2 Auxiliary POLS MEE 6 3 Modular Adapters reete ta en He pete deed 6 4 Rear panel VIEWS i edicit ee i e eto eio tnde benda 6 4 Terminal Configuration essent nennen Henne nennen 6 6 Terminal Operation eite eet tum Une tubi e toe rts 6 8 Configuration Menus 6 9
2. 9 Access System Centum Series User Manual 6 5 Terminal Configuration The AUX Terminal Access Port supports automatic speed detection AutoBaudRate or ABR This should be noted before connecting a terminal to the AUX Port for configuration or monitoring functions The AUX port will detect the following speeds 1200 2400 4800 and 9600 bps The terminal should be configured for any of the above speeds and full duplex 8 data bits 1 stop bit and no parity 8 1 N for the ABR function to operate correctly The terminal must present DTR Data Terminal Ready Pin 4 of the RS 232C DB 25 connector to AS100 for proper operation Within those restrictions all common terminal types are supported To operate 1 Connect the terminal to the AUX Terminal Access Port using the cable supplied with the Centum Series unit 2 Apply power to the unit and ensure that it performs its initialization cycle successfully and displays the Main Menu on the front panel LCD display Turn on the terminal 3 When the terminal has finished its initialization cycle and is fully operational depress the lt CARRIAGE RETURN gt key once or twice The unit will respond with the following text gt Verilink Corporation Access System 150 Series Please Enter Your Password Now Depress ENTER key to register your password gt NOTE At login and on each screen the text will reflect the appropriate unit LES AS10
3. 2 Female 6 Power Ground Power Ground 1 6 pin 1 Signal Ground gt Signal Ground 7 0 p 1 g Modem Modul 2 Carrier Detect t Request to Send 4 amp n 3 Request to Send Carrier Detect 8 Connection Jack 4 Receive Data Jd Transmit Data 2 5 Transmit Data Receive Data 3 a Female 6 Power Ground Power Ground 1 Rear panel views The three following figures show the rear panel views of the AS100 AS150 and AS200 respectively As an example the AS150 rear panel is labeled in detail Figure 6 2 Rear Panel of Access System 100 V 35 version PORT 1 V 35 f 00666666 PRN AUX AU Evy C3 560000060 6 4 Access System Centum Series User Manual To From Modem To From Terminal or Printer Figure 6 3 Rear Panel of Access System 150 V 35 version 8 pin 6 pin Modular M series 34 pin Receptacle Modular Jacks Jack PORT 1 V 35 50665666 PRN AUX 1 000000000 00000000 OOooOoooooo0 48 Configuration V 35 DTE and NMS Access Terminal Access 48 Configuration Power cord connection Figure 6 4 Rear Panel of Access System 200 V 35 version PORT 1 PORT 2 V 35 V 35 00000000 50666666 6 PRN AUX 000000600 000000000 00000000 000600000 000080008 le
4. TXD B 14 22 16 RXD B RXD B 16 24 4 RTS A RTS A 4 7 8 DCD A DCD A 8 13 5 CTS A _ _ CTS A 5 9 20 DTR A DTR A 20 12 6 DSR A _ Bis DSR A 6 11 19 RTS B 8g RTS B 19 25 10 DCD B gt DCD B 10 81 13 CTS B gt CTS B 13 27 23 DTR B DTR B 23 30 22 DSR B gt DSR B 22 29 7 GROUN GROUND 7 19 Access System Centum Series User Manual C 7 C 8 Access System Centum Series User Manual
5. SNMP Network Manager Router 010 00002 DTE Cable Async VT100 Terminal Switched Public OPTIONAL Network A 4 Access System Centum Series User Manual Compiling the Centum Series MIB After the Centum Series unit has been connected to the SNMP management station by one of the methods mentioned in the previous section the unit may be pinged to ensure connectivity After this test has been passed you are ready to manage the Centum Series unit The Centum Series SNMP agent comes equipped with MIB II and the RFC 1232 DS1 MIB These may be managed without any MIB compilation However to manage the device fully you must install the Verilink Centum Series MIB which is supplied on a DOS diskette 3 5 high density micro floppy The Verilink Centum Series MIB must be compiled once it has been copied to the management station s hard disk medium in order to add the Centum Series objects to the management information base This task will be different depending on which management software you are using and requires a MIB browse function to be present on the manager If this is not the case then you must design an NMS application for Centum Series on your management platform Access System Centum Series User Manual 5 A 6 Access System Centum Series User Manual Appendix B Standard Cabling for User Ports Network Interface and DSX 1 Por The Ne
6. The line testing can be performed via either Centum Series control panel or an external terminal or PC The instructions below assume that Centum Series control panel is being used Chapter 6 Auxiliary Ports describes usage of an external terminal The line itself cannot be tested directly in an Integrated Access Fractional T1 environment the NI remote loop will not function It can however be tested indirectly by using the Serial Port channel If any locations are served by DSX channels and only DSX channels the PBX units must be connected and used to test the links to those locations ain Menu Main Menu DOWN to display Diagnostics Use SELECT and the UP and DOWN arrows to choose Serial Port 1 Remote Loop On Then use the UP DOWN arrows and SELECT to turn on the BERT Finally use the arrows to confirm that Seconds Test is incrementing but Local and Remote Errored Seconds is not incrementing This checks out the link from the local site to the ultimate Ser ial Port 1 destination Turn Off the BERT and the Loop Your system is now ready for operation Access System Centum Series User Manual 3 27 Configuring and Installing the Centum Series 3 28 Access System Centum Series User Manual Chapter 4 Testing the Centum Series Centum Series testing can be performed via either the Centum Series control panel or an external terminal or PC The instructions belo assume that the Centum Series control panel
7. Fifteen feet long Optional at extra cost Figure C 1 V 35 Serial Port 1 Cabling for External Timing Centum Series V 35 Seria Port Customer V 35 DCE Pin Assignments Pin Assignments ertum Signal Signal Qr Y TXC A X V RXC A X RXC A V U Ext TXC A phu Ext TXC A U P TXD A uite Nn TXD A P AA a RXD A RXD A R R TXC B X TXC B AA a X RXC B X RXC B X Ww Ext TXC B NET ques Ext TXC B Ww S TXD B TXD B S T RXD B ue RXD B T C RTS RTS C F DCD WI esee DCD F D CTS X CTS D E DSR DSR E B GROUND GROUND B C 2 Access System Centum Series User Manual RS 422A Serial 458 501791 0 1855530 cross over cable D type 25 DB 25 Port Cabling male connectors at both ends Fifteen feet long Optional at extra cost Figure C 2 RS 422A Serial Port 1 Cabling for External Timing Centum Series RS 422 Serial Port Customer RS 422A DCE Pin Assignments Pin Assignments RS 530 RS 530 RS 449 DB 25 Signal Signal DB 25 DB 37 15 TXC A X X TXC A 15 5 17 RXC A x RXC A 17 8 24 Ext TXC A Ext 24 17 2 TXD A a TXD A 2 4 3 RXD A RXD A 3 6 12 TXC B X X TXC B 12 23 9 RXC B X RXC B 9 26 11 Ext TXC B sonic EM NN Ext TXC B 11 35 14 TXD B Biggs ae TXD B 14 22 16 RXD B RXD B 16 24 4 RTS A M RTS A 4 7 8 DCD A DCD A 8 13 5 CTS A X X CTS A 5 9 20 DTR A DTR A 20 12 6 DSR A lise n iai DSR A 6 11 1
8. HE be sh he right half of th shown on right half of the screen Access System Centum Series User Manual 6 11 Link Alarms and Statistics The user has selected Link Alarms and Statistics from the terminal s Main Menu and is presented with the menu depicted below This menu provides access to Network and DSX 1 Alarms and Network diagnostics see Chapter 4 page 4 2 through page 4 6 Also see Chapter 5 Alarms and Statistics on page 5 1 Verilink Corporation Mar 18 1995 Access System 150 T 1 Drop and Insert CSU DSU 20 26 00 Unit ID 30000000 System Alarms and Statistics Network Interface NI Network Interface NI DSX 1 Interface Alarms Diagnostics Alarms State ErrSec State ErrSec AIS No 00000 CSU Loop Off AIS No 00000 Red No 00001 NI LLB Off Red No 00000 Yel No 00000 NI RLB Off Yel No 00000 Ferr No 00001 PAYLD Loop Off Ferr No 00000 CRC6 No 00001 DSX 1 Loop Off CRC6 No 00000 BPV No 00000 LOS No 00001 Loop Ind Off BER Pattern 1 of 8 BERT Off E to Insert BER Errors Err Secs 00000 Sec Test 00000 Reset Counters R Cursor Forward SPACE Select Entry ENTER Cursor Back BACKSPACE Return to Previous Menu X 6 12 Access System Centum Series User Manual ESF Registers From the terminal s Main Menu the user has selected ESF Registers and is presented with the following menu Verilink Corporation Mar 18 1995 Access System 150 T 1 Drop and
9. Serial Port 1 CD handling 23 Serial Port 2 CD handling Centum Series presents a DCE interface to the attached customer equipment Carrier Detect CD can be permanently On 3 12 Access System Centum Series User Manual Configuration Parameters permanently Off or Switched normally On turns Off upon network carrier failure Switched is the recommended mode of operation unless the customer DTE requires otherwise Repeatedly SELECT to choose On Off or Switched DOWN to Serial Port 1 or 2 16 display Data XXX Serial Port 1 Data Normal Inverted 23 Serial Port 2 Data Normal Inverted Repeatedly SELECT to choose between Normal and Inverted Choose Normal if any of the following are true Density item 8 above is Clear Data Rate items 13 and 20 above uses 56 kbps per DSO e Alt Consec items 14 and 21 above is Alternate If none of the above conditions apply consider the following Some user protocols such as SDLC and HDLC have a zeroes density characteristic that when inverted results in the required T1 ones density If the attached DTE uses one of these protocols AND also inverts the data choose Normal and confirm that the mated serial port at the other end of the circuit is configured the same If the attached DTE uses one of these protocols and does NOT invert the data choose Inverted and confirm that the mated serial port at the other en
10. 000 000 000 000 000 000 000 000 000 000 000 000 000 000 BES 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 INT ES 33 000 34 000 35 000 36 000 37 000 38 000 39 000 40 000 41 000 42 000 43 000 44 000 45 000 46 000 47 000 48 000 Mar FS 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 18 20 SES 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 Return to Previous Menu 1995 26 00 BES 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 6 14 Access System Centum Series User Manual Event Log From the terminal s Main Menu the user has selected Event Log and is presented with the sixteen most recent events stored in the Centum Series unit see below and Events on page 5 6 30000000 30000000 30000000 30000000 30000000 Unit ID Seq Num 00001 00002 00003 00004 00005 Verilink Corporation Access System 150 T 1 Drop and Insert CSU DSU 20 26 00 Unit ID 30000000 Time 21 21 21 21 21 15 15 15 15 15 20 21 21 22 22 Mar 18 1995 EVENT LOG Date Status Event 11 08 Start UNIT START 11 08 Start NI RED 11 08 Start NI LOS 11 08 End NI RED 11 08 End NI LOS Clear Event Log C Freeze Display Reset Sequence Number R Return to Previous Menu X Access System Centum Series
11. 7 Serial Port BERT and Loop diagram tector Generator ierator Detector Serial Port 1 Test Pattern BERT and Loop ON 1 536 Mbps 1 544 Mbps Payload Networ Interface Access System Centum Series User Manual 4 13 4 14 Access System Centum Series User Manual Chapter 5 Other Features Many other functions are available in the Centum Series This chapter describes access from the front panel display The same functions can also be accessed via an externally attached terminal See Chapter 6 Auxiliary Ports Alarms and Statistics Alarm Definitions The Alarms and Stats Main Menu is intended for those users with T1 alarm and ESF Extended Superframe statistics knowledge From the Alarms and Stats Main Menu SELECT then use UP DOWN arrows to Access current network NI and DSX 1 alarm conditions which are shown with the number of seconds that the alarms have been present since the last alarm reset a Reset the alarm times m Access both current and 24 hour ESF statistics a Send alarms to an externally attached printer See Chapter 6 Auxiliary Ports a Send ESF statistics to an externally attached printer See Chapter 6 Auxiliary Ports AIS An unframed all ones condition has been detected Red Alarm A loss of frame alignment has occurred and synchronization has been lost Yellow Alarm Yellow Alarm is generated by the network and sent
12. Always Current Stats Status XXOOOOXQO Scrolling UP DOWN will provide detailed information Below is the SES BES display Current Stats SES 200 BES 200 By choosing 24 Hour Stats the user can scroll through the ES FS SES and BES counts for the preceding 24 hour period 24 Hour Stats SES 2000200 ESF Registers gives the same information but it is broken down for each of the ninety six 15 minute intervals in that 24 hour period Use UP DOWN scroll through the intervals FS SES BES OOO 200 OOO GOO In this example the user has scrolled to interval 3 The ES count is the first three digit number directly below the 3 5 4 Access System Centum Series User Manual Utilities From the Utilities Main Menu SELECT then use UP DOWN arrows to a Set Date and Time a Edit Unit ID a Clear BRAM This function clears all user entered configuration parameters and returns the Centum Series unit to the factory default condition USE WITH CAUTION a Determine installed software level a Configure Auxiliary CRT Port See Chapter 6 Auxiliary Ports a Configure Auxiliary NMS Printer Port See Chapter 6 Auxiliary Ports Access System Centum Series User Manual 5 5 Events Centum Series constantly monitors for the occurrence of events such as alarms test commands and system resets When an event occurs a description with a time and date stamp is immediately sent out the printer port Th
13. Jacks Jack PORT 1 V 35 f 506656666 PRN AUX NI 000000000 00000000 000000000 35 Support and NMS Access Terminal Access rection RJ 48 Configuration Power cord 1 Port RJ 48 Configuration connection Access System Centum Series User Manual 3 23 Configuring and Installing the Centum Series Figure 3 3 Rear Panel of Access System 200 V 35 version PORT 1 PORT 2 V 35 V 35 00000000 00665666 6 PRN AUX N 000000600 000000000 00000000 00000000 000000006 le 9 FT 3 24 Access System Centum Series User Manual Line Testing Point to Point Configuration Line Testing Point to Point Configuration The line testing can also be performed via either the Centum Series control panel or an external terminal or PC The instructions belo assume that the Centum Series control panel is being used Chap ter6 Auxiliary Ports describes usage of an external terminal Confirm that both ends are configured self tested and connected to the network Confirm that the ALARM indicator is extinguished at both ends If not review both configurations and repeat both self tests If either ALARM indicator remains illuminated contact our Technical Assistance Center Once the ALARM indicators are extinguished proceed as follows ain Menu Main Menu DOWN display _Diagnostics allowed by Diagnostics equired to display _N
14. Pin Assignments M Series 34 pin Y lt gt gt Signal TXC A RXC A Ext TXC A TXD A RXD A TXC B RXC B Ext TXC B TXD B RXD B RTS DC CTS DTR DSR GROUND Figure C 3 V 35 Serial Port 1 Cabling for Internal External Timing Customer V 35 DCE Pin Assignments Signal gt TXC A RXC A lt a Ext TXC A LL LLA TXD A RXD A _ TXC B RXC B Ext TXC B TXD B RXD B RTS DC CTS if DTR DSR SO GROUND C 6 Access System Centum Series User Manual M Series 34 pin gt lt m x Internal Function DTE Internal Function Figure 4 RS 422A Serial Port 1 Cabling for External Timing Centum Series RS 422A Serial Por Customer RS 422A DCE Pin Assignments Pin Assignments RS 530 Signal Signal RS 530 RS 449 DB 25 15 TXC A a gt TXC A 15 5 DTE 17 RXC A ee RXC A 17 8 Internal Function 24 Ext TXC A e Ext TXC A 24 17 DB 25 DB 37 2 TXD A iii TXD A 2 4 3 RXD A _ RXD A 3 6 12 TXC B Be TXC B 12 23 DTE 9 RXC B 2 RXC B 9 26 Internal Function 11 Ex TXC B Ext TXC B 11 35 14 TXD B
15. RS 530 Male to 37 pin RS 449 Male Application 458 502363 015 15 ft 25D type RS 530 Male to 37 pin RS 449 Female Application for external timing 458 502364 015 15 ft 25D type RS 530 Male to 37 RS 449 Male for Application external timing a External Timing is the same as DSU X for a cross over cable b Adapter cables are used to convert between a 25 pin connector on the rear of the box to a 37 pin connector on the customer apparatus For additional cable and pinout detail see the following sections of this manual a Appendix B Standard Cabling for User Ports a Appendix Special Serial Port Cabling Auxiliary ports Both auxiliary ports consist of 6 pin modular jacks Because the ports are permanently DCE there are two configurations for the required cabling depending on whether the connections are direct or via modems 6 2 Access System Centum Series User Manual NOTE LC Er NMS Access Management Port Cable Six position 6 pin modular male to 25 pin D type male for direct connection of a terminal or a printer Four feet long One cable supplied with unit 458 502368 0 0518 6 pin modular male to 25 pin D type male for modem connection of a terminal or a printer Eight feet long Available at extra cost The Verilink cables can be stretched by adding a 6 pin female female adapter and a straight through 6 wire make male modular cable see below If the user chooses not
16. and NI DSX 1 Diag ELECT as o display NI RLB _On Access System Centum Series User Manual 4 7 Figure 4 4 Line Loop diagram Line Loop ON 1 536 Mbps 1 544 Mbps Payload Networ Interface 4 8 Access System Centum Series User Manual DSX 1 Loop The DSX 1 Loop is useful for checking PBX cabling to the Centum Series units With the loop enabled and all equipment properly configured an attached PBX will synchronize onto its own looped signal WHEN TESTING IS COMPLETED BE SURE TO TURN THE LOOP ag Menu DOWN to display ELECT to display DOWN to display SELECT to display Figure 4 5 Diagnostics _NI DSX 1 Port NI DSX 1 Diag CSU Loop Ooff NI DSX 1 Diag DSX 1 Loop Off NI DSX 1 Diag DSX 1 Loop On DSX 1 Loop diagram DSX 1 Loop ON 1 536 Mbps 1 544 Mbps Payload Network Interface Access System Centum Series User Manual 4 9 Serial Port Loop Local Loop ON causes a loop at the Centum Series unit where the command was entered Remote Loop ON causes a loop at the Serial Port at the distant end In an Integrated Access Fractional 1 environment the Serial Port 1 and Serial Port 2 links through the network is a logical point to point connection and the distant end is the destination for the serial port data CAUTION Local and Remote Loops should not be activated at the same time unless the serial port BERT is also activated
17. at the local end See Serial Port BERT on page 4 12 WHEN TESTING IS COMPLETED BE SURE TO TURN THE LOOP ag Menu Diagnostics DOWN _ 1 1 2 OWN and SP 1 or 2 Diagnostics ELECT as display Local Loop On OWN and SP 1 or 2 Diagnostics ELECT as display Remote Loop On 4 10 Access System Centum Series User Manual Figure 4 6 Serial Port Loop diagram Serial Port 1 Loop ON 1 544 Mbps Network Interface 1 536 Mbps Payload Access System Centum Series User Manual 4 11 Serial Port BERT The Serial Port DTE BERT can be used as a part of many different test configurations It is most valuable with both the Local and Remote Serial Port Loops activated see page 4 10 the local end of the recommended configuration is shown below The Local Errored Seconds are counted by the detector toward the left side in the figure The Remote Errored Seconds are counted by the detector toward the right side WHEN TESTING IS COMPLETED BE SURE TO TURN THE LOOP AND BERT OFF ag Menu Diagnostics DOWN ee _Serial Port 1 or 2 ELECT to SP 1 or 2 Diagnostics display JOWN and SP 1 or 2 Diagnostics ELECT a F SPRE _Loc ES OOOOO OWN and SP 1 or 2 Diagnostics ELECT a robe Rem ES OOOOO OWN and SP 1 or 2 Diagnostics ELECT a 7 mes _Sec Test _22WOO 4 12 Access System Centum Series User Manual Figure 4
18. down into sub level menus Menu examples are shown below Subsequent chapters give detailed information regarding these menus Main Menu _Configuration NI Configuration Framing _ESF Port 1 Diag Local Loop _On Access System Centum Series User Manual 2 3 495 sa2a1428g 21549 55922 vc Configuration Diagnostics Main Menu Alarms Stats Event Log Utilities NI Configuration NI amp DSX 1 Loops amp BERT DSX 1 Configuration Serial Port 1 Loops amp BERT MicroConnecT1 Timing Serial Port 2 Loops amp BERT Serial Interfaces Display DS 0 Assignments Print Configuration NI Alarms Entry 1 Date DSX 1 Alarms Entry 2 URBI ESF Statistics Entry 3 Clear BRAM Print Alarms Display S W E Revision Level Print Statistics Configure Entry 16 Auxiliary Ports Clear Log v z seues 9 oiseg LED Indicators There are up to ten LED indicators on the front panel The actual quantity differs with the Centum Series model They are used to indicate the status of various alarm and call conditions They monitor three areas of Centum Series operation DSX 1 Network Interface NI and Serial Channels DEN Network Interface Indicates that the Network Interface is forcing the re
19. server SERIAL PORT 1 fe 900099 9 OOC8OGO59 Co090099 E OOCOOOOO00 G PRN V 35 RS 422 WAN Port NMS AUX Network Manager Router 6 wire 8 wire Barrel Converter CBE 010 00002 DTE Cable GS NS Async VT100 Terminal Terminal Server Hub Intelligent Port OPTIONAL In Figur eA 2 an RS 232 SLIP port on the router is permitting Centum Series to access the LAN for SNMP management purposes A 2 Access System Centum Series User Manual SNMP Network Manager Option 2 Figure A 2 SNMP Manager access with a router V 35 RS 422 WAN Port OOCSOGO59 OCo090099 E OOCOOOOO00 G T 1 WAN CBE 010 00002 DTE Cable Async VT100 Terminal OPTIONAL Another method allows the SNMP Manager to access the Centum Series without the terminal server This is by way of a direct or dial up connection over an RS 232 port on the SNMP management station The SNMP Network Management System must support UDP IP SLIP over the asynchronous seriallink This connection is diagrammed in Figur eA 3 Figure A 3 SNMP Manager access via direct or dial up connection Access System Centum Series User Manual 5100 SERIAL PORT 1 cceeoooo a PRN NMS AUX N I V 35 RS 422 WAN Port T 1 WAN 458 501764 008 DCE Cable
20. the Alarms Stats Main Menu SELECT then use UP DOWN arrows to display either NI Alarms DSX 1 Alarms or ESF Statistics Then SELECT followed by UP DOWN as described below NI Alarms will display the current status Yes No of AIS Red and Yellow Alarms Frame Errors Ferr CRC6 and BPV alarms UP DOWN will scroll through the six possible alarms If any entry is yes the display will also indicated the quantity of seconds that the alarm has been present The DSX 1 Alarms display is identical to the NI Alarms display except that BPV alarms are not included DSX 1 Alrm Errs Yel Yes 0019 If ESF Statistics is selected the user is then presented with another choice Current Statistics 24 Hour Statistics or ESF Registers By choosing Current Statistics the user is provided statistics for the current time interval maximum fifteen minutes Use UP DOWN to scroll through Current Status Time in Current Interval in seconds ES amp FS SES amp BES and the current quantity of Valid Intervals fifteen minutes per interval In the Current Status screen shown below the following interpretation applies Digit 1 F or where F indicates Failed Signal State FSS Digit 2 U or where U indicates that the T1 line is unavailable Digit 3 Always Digit 4 Always Digit 5 Always Access System Centum Series User Manual 5 3 Digit 6 Always Digit 7 L or where L indicates that the T1 line is in loop Digit 7
21. the user to edit the device configuration and diagnostic options The NMS PRT connector is intended to be used as a printer port non SNMP version or the NMS port SNMP version The Centum Series unit connects to an SNMP network management station such as HP Open Vie or Sun s NetManager by either LAN modem Either method must support UDP IP SLIP over RS 232 The most straightforward method would be to connect the Centum Series NMS port to an intelligent port on either a router hub or terminal server The intelligent port must be configured to run SLIP protocol The port speed must be set as well as the IP address for the port and the port s remote device in this case the Centum Series unit The NMS Port on the DNS must be configured from either the terminal or front panel display The port must first be configured for SNMP NMS and then the baud rate for the port must be configured The final option is for the user to configure the internet address that the Centum Series unit will respond to once connected to the LAN via terminal server or modem Reference the diagram for the proper connection Access System Centum Series User Manual 1 In Figur eA 1 the terminal server is permitting Ac cessSy stem100 to access the LAN for SNMP management purposes If multiple Centum Series units are co located they all may access the LAN through the same server using a multi port server Figure A 1 SNMP Manager access with a terminal
22. to obtain Verilink cables a male male modular cable should be used with a connector adapter female modular to D 25 See next page for adapter construction In any case the 6 wire reference must be emphasized A very common modular cable is 6 position 4 wire such as used in the RJ 11 configuration for a home telephone Although the plastic housing is identical to the 6 wire version ONLY FOUR WIRES ARE IN THE CABLE AND IT WILL NOT FUNCTION WITH THE CENTUM SERIES Connectors are flipped on a straight through cable Pins Pins The device is shipped with the following cables Part Number AS100 AS150 AS200 CBE 010 00001 Network Cable Network Cable Network Cable 011 00001 _ DSX 1 Cable CBE 010 00002 Management Cable Management Cabl Management Cable Access System Centum Series User Manual 6 3 Modular Adapters If Verilink cables will not be used the adapters shown below should be used with straight through male male 6 wire modular cables See previous page for a description of the available Verilink cables Figure 6 1 6 Modular Adapter Pin Assignment 6 pin 1 Signal Ground Signal Ground 7 4 gna c Direct Modular 2 Carrier Detect 9 Carrier Detect 8 2 3 Request to Send Request to Send 4 iq Connection Jack 4 Receive Data Receive Data 3 N 5 Transmit Data lt Transmit Data
23. version essere 6 5 SNMP Manager access with a terminal server A 2 SNMP Manager access with a router A 2 SNMP Manager access via direct or dial up connection sese A 3 Network Interface and DSX 1 Port RJ 48 esses B 1 V 35 Serial Port Pin Assignments M series 34 pin connector B 2 V 35 Serial Port 1 Cabling for External Timing esee C 2 RS 422A Serial Port 1 Cabling for External TIming eese C 3 V 35 Serial Port 1 Cabling for Internal External Timing sess C 6 RS 422A Serial Port 1 Cabling for External TIming eee C 7 Access System Centum Series User Manual xi xii Access System Centum Series User Manual Chapter 1 T1 Concepts Introduction Verilink s Access System Centum Series consists of the following three models Access System 100 Single Port CSU DSU AS100 a Access System 150 Drop and Insert Single Port CSU DSU AS150 m Access System 200 Dual Port CSU DSU AS200 Verilink s Centum Series units integrate the capabilities of a TI ESF CSU Channel Service Unit and DSU Data Service Unit in a single unit Engineered with either aV 35 or RS 449 serial port each unit provides high bandwidth for LANs image transmission mainframe file transfers and other high speed synchronous applications A
24. 0 AS150 or AS200 and its Unit ID number The user has the option to access the Unit ID number through the menu tree and change it The default password is CARRIAGE RETURN gt 6 6 Access System Centum Series User Manual 4 The Centum Series unit will respond with the following text A C E G 0 Q Verilink Corporation Access System 150 Terminal Selection Menu A D D S Viewpoint Data General DASHER Datamedia EXCEL 30 DEC VT 100 131 220 Datamedia EXCEL 42 ICL 6401 Qume QVT 102 108 Wyse WY 50 Teletype 5410 5425 B D F H J L N P R gt Enter Terminal Selection A D D S Regent 25 Datamedia 1521 DEC VT 52 IBM 3101 FREEDOM 100 L S I ADM 11 31 Televideo 900 Ser Paradyne 7811 ATTIS 4410 4425 The Centum Series port depends on RTS from a terminal or CD from a modem to indicate a connected device Every timethat RTS or CD is lowered and subsequently raised Centum Series assumes the possibility that a different terminal type is attached and therefore queries the attached device with a generic Terminal Selection message see above If this message does not appear on the screen temporarily disconnect and reconnect the cable After selecting a terminal type the user is presented with a Main Menu on the CRT screen and is allowed access to all configuration test and query functions provided by Centum Series Access System Centum
25. 3 3 Figur e4 1 Figur e4 2 Figur e4 3 Figur e4 4 Figur e4 5 Figur e4 6 Figur e4 7 Figur e6 1 Figur e6 2 Figur e6 3 Figur e6 4 Figur eA 1 Figur eA 2 Figur eA 3 Figur eB 1 Figur eB 2 Figur eC 1 Figur eC 2 Figur eC 3 Figur eC 4 List of Figures Front Panel Access System 100 5100 Single Port CSU DSU 2 1 Front Panel Access System 150 AS150 Drop and Insert Single Port CSU DSU 2 1 Front Panel Access System 200 AS200 Dual Port CSU DSU 2 2 Basic Centum Series Menu Tree essere ene enne enne nennen 2 4 Rear Panel of Access System 100 V 35 version eese 3 22 Rear Panel of Access System 150 V 35 version sese 3 22 Rear Panel of Access System 200 V 35 version essere 3 23 Payload BER T diagram 4 4 hie aa Ath er is 4 5 Payload Loop dia stam 43 2 eid eet eed e eck te nce e tren 4 6 Eine Loop diagram 4 8 DSX 1 Eoopdagratm tese ette etel eerte e e PER RUE 4 0 Serial Port Loop diagram isecen siri ene ceon eerie irern irene rt 4 11 Serial Port BERT and Loop diagram eese enne 4 13 6 Pin Modular Adapter Pin Assignments essere eene 6 4 Rear Panel of Access System 100 V 35 version esee 6 4 Rear Panel of Access System 150 V 35 version esee 6 5 Rear Panel of Access System 200 V 35
26. 9 RTS B ae RTS B 19 25 10 DCD B DCD B 10 31 13 CTS B x CTS B 13 27 23 DTR B e DTR B 23 30 22 DSR B DSR B 22 29 7 GROUND GROUND 7 19 Access System Centum Series User Manual Adapter cables are available to convert 25D type RS 530 to 37 pin RS 449 The following cables can be ordered from Verilink a 37 pin D type RS 530 male to 36 pin RS 449 female wm 37 pin D type RS 530 male to 36 pin RS 449 male m 37 pin D type RS 530 male to 36 pin RS 449 female for external timing a 37 pin D type RS 530 male to 36 pin RS 449 male for external timing C 4 Access System Centum Series User Manual Cables for Internal External Timing Please refer toWorksheet items 12 and 18 on page 3 2 Internal External timing is supported with standard straight through cabling However as shown below V 35 and on the next page RS 422A the attached DTE must internally loop back its incoming Transmit Clock to its outgoing External Transmit Clock If this can not be done inside the DTE itself the same function can be provided with cable jumpers Contact factory if assistance is needed IMPORTANT If Int Ext has been chosen because because os excessive DTE cable length and cable jumpers are installed the indicated jumpers must be as physically close to the customer DTE as is possible preferably inside the DTE connector Access System Centum Series User Manual 5 Centum Series V 35 Seria Port
27. Access System Centum Series User Manual Access System 100 Single Port CSU DSU Access System 150 Drop and Insert Single Port CSU DSU Access System 200 Dual Port CSU DSU Part Number 896 502379 001 A March 1995 VERILINK Verilink Corporation 145 Baytech Drive San Jose California 95134 Important Notice VERILINK CORPORATION DISTRIBUTES THIS REFERENCE AS IS WITHOUT WARRANTY OF ANY KIND EITHER LIMITED OR IMPLIED Verilink Corporation reserves the right to revise this publication from time to time without notice Some states or jurisdictions do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not apply to you Copyright 1995 Verilink Corporation All rights reserved Your right to copy this manual is limited by copyright law Making copies of this reference or any part thereof without prior written authorization from Verilink Corporation is prohibited by law and constitutes a punishable violation of the law ii Access System Centum Series User Manual Unpacking Warranty This equipment is normally shipped in cardboard cartons with foam inserts to protect the units from shock and vibration during shipment Upon arrival of the equipment inspect the condition of the boxes and compare all items to the packing list Notify Verilink and the carrier immediately if there are any damages or shortages Store the cartons and packing material in case the unit ha
28. Clear to Send B From 23 30 Data Terminal Ready B To 22 29 Data Set Ready B From 7 19 Ground J Access System Centum Series User Manual B 3 B 4 Access System Centum Series User Manual Appendix C Special Serial Port Cabling External Timing If External timing is required to satisfy a particular application Serial Port 1 must be used Worksheet Item 18 and Serial Port 1 must supply the master network timing Worksheet Item 12 The worksheet can be found on page 3 2 External timing is used if the attached customer equipment is a DCE instead of a DTE The customer DCE must be configured so that its Receive Clock is used for BOTH transmit and receive functions This clock is also delivered to the Serial Port s External Clock input and drives the Centum Series transmit function Transmit and Receive Data must also be reversed Access System Centum Series User Manual 1 Cables for External Timing The figures in this section describe the crossover cabling necessary to support a V 35 and an RS 422A Serial Port 1 with External timing Note that the cables are not symmetrical The Centum Series units have female connectors and therefore the cable connectors are always male at the Centum Series end They will also be male at the customer end unless specified otherwise V 35 Serial Port 458 501776 0 1V 35 cross over cable M series 34 pin male Cabling connectors at both ends
29. I DSX 1 Port o display NI DSX 1 Diag CSU Loop _Off to display NI DSX 1 Diag NI RLB _Off to display NI DSX 1 Diag NI RLB _On Access System Centum Series User Manual 3 25 Configuring and Installing the Centum Series If the remote end responds properly to this command the DSX 1 NI LOOP indicator will illuminate within approximately ten seconds If the remote end does not respond properly the LOOP indicator will remain extinguished and the LCD panel will change to NI RLB Off Confirm that the remote end has responded properly If it has not check the NI cable connections and try again If it still does not respond contact your network supplier Continue with the following steps only if the remote end has responded properly juired and NI DSX 1 Diag o display quired and NI DSX 1 Diag display 00 Err Secs 00000 quired and NI DSX 1 Diag to display Sec Test 000 000 Confirm that the Seconds Test is properly incrementing and then depress UP to confirm that the Errored Seconds is not incrementing If the unit is receiving errored seconds confirm your configuration and run the testing again If the unit still indicates errored seconds contact our Technical Assistance Center Turn Off the BERT and the Loop Your system is now ready for operation 3 26 Access System Centum Series User Manual Line Testing Integrated Access Fractional T1 Line Testing Integrated Access Fractional T1
30. If the BER pattern was changed in the previous step the BERT must be turned OFF and back ON again to establish the new pattern 1 SELECT NI DSX 1 Diag equired to display Sec Test 20000 If the CSU portions of the Centum Series unit and the T1 link are all functioning properly the Seconds Test at both units will increment while the Errored Seconds at both units will remain at OOOO WHEN TESTING IS COMPLETED BE SURE TO TURN BOTH BERT TESTS OFP Access System Centum Series User Manual 4 3 Figure 4 1 Payload BERT diagram Detector Test Pattern Payload BERTON 1 536 Mbps 1 544 Mbps Payload Network Interface 4 4 Access System Centum Series User Manual CSU Loop with BERT The CSU portion of a single Centum Series unit can be tested by activating both the CSU Loop and the Payload BERT Refer to page 4 2 and page 4 3 If the CSU portion of the unit is functioning properly the Seconds Test will increment while the Errored Seconds will remain at OOOO WHEN TESTING IS COMPLETED BE SURE TO TURN BOTH THE LOOP AND THE BERT TESTS OFF Figure 4 2 CSU Loop with BERT Detector 1 CSU Loop and Test Pattern dg cos ON Generator gt 1436 Mbps 1 544 Mbps Payload Network Interface Access System Centum Series User Manual 4 5 Payload Loop The Payload Loop is useful for looping back any testing initiated by the other end of a point to point circuit su
31. Insert CSU DSU 20 26 00 Unit ID 30000000 ESF Registers ESF Statistics Register Current 24 Hour Errored Seconds 000 00001 Failed Seconds UAS 000 00000 Severely Errored Seconds 000 00001 Bursty Errored Seconds 000 00000 Loss of Frame Count 000 00000 Time in Interval 150 Valid Intervals 093 ESF Status 00000000 Display ESF Network Registers R Return to Previous Menu X The user can then proceed to this next menu for detailed information These menus provide the functions described in Alarms and Statistics on page 5 1 Access System Centum Series User Manual 6 13 FS 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 Continue SES 001 001 001 001 001 001 001 001 001 001 001 001 001 001 001 001 Verilink Corporation Access System 150 T 1 Unit ID 30000000 INT ES 01 001 02 001 03 001 04 001 05 001 06 001 07 001 08 001 09 001 10 001 11 001 12 001 13 001 14 001 15 001 16 001 Drop and Insert CSU DSU BES 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 INT ES 17 000 18 000 19 000 20 000 21 000 22 000 23 000 24 000 25 000 26 000 27 000 28 000 29 000 30 000 31 000 32 000 ENTER ESF Registers FS 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 000 SES 000 000
32. KSPACE Return to Previous Menu X Verilink Corporation Mar 09 1995 Access System 150 T 1 Drop and Insert CSU DSU 20 26 00 Unit ID 30000000 T Channel 050 Allocation DSO Mode DSO Mode 01 Port 1 13 Idle 02 Port 1 14 Idle 03 Port 1 15 Idle 04 Port 1 16 Idle 05 Port 1 17 Idle 06 Port 1 18 Idle 07 Port 1 19 Idle 08 Port 1 20 Idle 09 Port 1 21 Idle 10 Port 1 22 Idle TI Port 1 23 Idle 12 Port 1 24 Idle Return to System configuration Menu X 6 10 Access System Centum Series User Manual Serial Port Diagnostics The user has selected Diagnostics and Indicators from the terminal s Main Menu and is presented with the menu depicted below This menu provides the functions described in Chapter 4 Testing the Centum Series page 4 10 and page 4 12 Also see the description Alarms and Statistics on page 5 1 Verilink Corporation Mar 18 1995 Access System 150 T 1 Drop and Insert CSU DSU 20 26 00 Unit ID 30000000 System Diagnostics amp Indicators Serial Port 1 Diagnostics Indicators Local Loop Off Rx Data Off Remote Loop Off Tx Data Off BERT Off RTS Off DCD Off Local ES 00000 DTR Off Remote ES 00000 Loop Ind Off Sec in Test 65535 Cursor Forward SPACE Select Entry ENTER Cursor Back BACKSPACE Return to Previous Menu X If the device has two serial ports a second set of Serial Port columns will
33. O configuration can also be sent to a printer Please refer to Chapter 6 Auxiliary Ports 3 20 Access System Centum Series User Manual Self Testing Centum Series Self Testing Centum Series The self testing can be performed via either the Centum Series control panel or an external terminal or PC The instructions below assume that the Centum Series control panel is being used Chapte r6 Auxiliary Ports describes usage of an external terminal ain Menu DOWN to display allowed by 5 required o display iELECT to display Main Menu _Diagnostics Diagnostics _NI DSX 1 Port NI DSX 1 Diag CSU Loop _Off or On If the CSU Loop is presently Off the NI ALARM indicator should be illuminated If the CSU Loop is presently On the NI ALARM indicator should be extinguished Repeatedly SELECT to turn the loop On and Off while confirming proper functioning of the NI ALARM indicator Leave the CSU loop in the On condition Access System Centum Series User Manual 3 21 Configuring and Installing the Centum Series display NI DSX 1 Diag _Off or On SELECT o display quired and NI DSX 1 Diag o display Err Secs 00000 quired and NI DSX 1 Diag to display Sec Test 00000 Confirm that the Seconds Test is properly incrementing and then depress UP to confirm that the Errored Seconds is not incrementing If the unit is receiving errored seconds confirm your configuration and run th
34. Serial Port DIagnoStiCs eei oii Ro egere tei 6 11 Link Alarms and Statistics eese eene eene nennen entente ene 6 12 ESF eee eet esu 6 13 Event Og cos fot 6 15 BI MED 6 16 Print r Configuration 6 17 Printer Port Elow Conttol tetto ee e HP tertie m 6 18 Prnter Operation co deett gesehen 6 19 Tink Alarms and Statistics ne t dete pests 6 20 SNMP Management sneer e 1 Connecting the Centum Series 1 Hc 1 Opuion 2 gU RES IRAE ER A 3 Compiling the Centum Series MIB esee nennen eene A 4 Standard Cabling for User Ports sse B 1 viii Access System Centum Series User Manual Network Interface and DS X 1 Port eee n nennen nennen nnn B 1 MC 2 RS 442A Seral a SR B 3 Special Serial Port Cabling sse tnnt C 1 External TImibg seed e ent oett aee a eee ein tpe C 1 Cables for External Timing oe eese etre nennen nennen nre C 2 V39 Serial Port pete C 2 RS 422A Serial Port Cabling C 3 Cables for Internal External Timing enne C 5 Access System Centum Series User Manual ix Access System Centum Series User Manual Figur e2 1 Figur e2 2 Figur e2 3 Figur e2 4 Figur e3 1 Figur e3 2 Figur e
35. Series User Manual 6 7 Terminal Operation Because the terminal functions are identical to the front panel functions previously described in this manual except for a more comprehensive display their descriptions are not repeated here Instead examples of some possible screen displays are shown beginning with the Main Menu below The user is advised to peruse the CRT menus while reviewing the front panel descriptions In all cases SPACE advances the cursor BS moves the cursor back ENTER or RETURN selects an entry and ESC acknowledges an alarm gt kkkk kkkk MAIN MENU System Configuration EERE wok Diagnostics amp Indicators KEEN Xe Link Alarms and Statistics kkkk kkkk ESF Registers kkkk kK Event Log PERNA ERE System Utilities okckck kk Cursor Forward SPACE Verilink Corporation Cursor Back BS Access System 150 T 1 D amp I DSU CSU Select Entry ENTER Software VER 3053 51 Acknowledge Alarm ESC Deactivate Console X Mar 18 1995 14 34 00 Hangup Modem Ctrl E Unit ID 30000000 DNS Front Panel ENABLED System Status OK 6 8 Access System Centum Series User Manual Configuration Menus From the terminal s Main Menu the user has selected System Configuration and is presented with the next menu shown From this menu the user can view and or change all Centum Series configuration parameters Please refer to Chapter 3 Configuring and I
36. User Manual 6 15 Utilities From the terminal s Main Menu the user has selected System Utilities and is presented with the screen depicted below See Utilities on page 5 5 Terminal Configuration on page 6 6 and Printer Configuration on page 6 17 Verilink Corporation Mar 18 1995 Access System 150 T 1 Drop and Insert CSU DSU Unit ID 30000000 System Utilities Set System Time Set System Date Enter Unit Identification Number Clear System Configuration Configure Console and Printer Ports Enter AutoDial Parameters Enter Password Disable Cursor Forward SPACE Select Entry ENTER Cursor Back BACKSPACE Return to Previous Menu X 6 16 Access System Centum Series User Manual Printer Configuration To configure the SERIAL Printer port use the Centum Series control panel to enter SELECT the Utilities menu Use the UP DOWN arrows to locate NMS Prt Port and the SELECT again If necessary use the UP DOWN arrows to locate Mode Repeatedly SELECT until the mode indicates Printer Note that the NMS function is not operational in this Centum Series revision Use the UP or DOWN arrow to display Speed and then SELECT to choose the desired printer data rate Finally END twice to return to the Main Menu The printer should be configured for the same data rate as the Centum Series printer port and 8 N 1 character coding All data is output with both a CR and an LF at the end of each line Printer
37. _Timing Source 12 Timing Source Repeatedly SELECT to choose NI Port 1 Int or DSX 1 In an Integrated Access Fractional T1 environment ALL units must use NI timing In a point to point configuration one unit must use NI timing and the other unit must use something else This something else is nearly always Int Internal but some user configurations require Port 1 or DSX 1 timing Contact the Technical Assistance Center if assistance is needed o display NI Configuration Timing Source Access System Centum Series User Manual 3 9 Configuring and Installing the Centum Series NOTE Steps 13 through 19 apply to Serial Port 1 while the identical Steps20 LES through 26 apply to Serial Port 2 ain Menu Main Menu DOWN display _Configuration LECT and Configuration JP DOWN o display _Serial Port 1 or 2 iELECT to Serial Port 1 or 2 display _XXXK XDSO 13 Serial Port 1 Data Rate 20 Serial Port 2 Data Rate NOTE In an Integrated Access Fractional 1 environment this selection MUST be coordinated with the network supplier Before entering a value the user must first determine if each DSO will carry 56 kbps or 64 kbps user data and must then determine the correct quantity of DSOs necessary to achieve the desired data rate See Density item 8 above If the NI is Clear the 56 64 decision is completely user optional and 64Kbps is recommended to obtain max
38. above and retaining the normal DTE configuration and the standard cable Access System Centum Series User Manual 3 15 Configuring and Installing the Centum Series Int Ext Serial Port timing with the recommendations in Appendix C need be used only if the above efforts fail DOWN to Serial Port 1 or 2 display Spray Rem Loop Enabled 19 Serial Port 1 Remote Loop Enable Disable 26 Serial Port 2 Remote Loop Enable Disable Repeatedly SELECT to choose between Enabled and Disabled When Enabled this Serial Port channel will respond to receipt of a remote digital loop command arriving from the Serial Port channel of the mated Centum Series unit Enabled is recommended unless the user has specific reason to do otherwise When Disabled this Serial Port channel will not respond to receipt of a remote digital loop command ain Menu Main Menu DOWN to display Configuration LECT and Configuration JP DOWN o display DSX 1 Interface iELECT to DSX 1 Config display Framing XXX 3 16 Access System Centum Series User Manual 20 Configuration Parameters DSX 1 port framing Repeatedly SELECT to choose the framing provided by the attached PBX ESF or D4 Choose N U if a PBX will not be used Refer to item 4 earlier If the NI framing is ESF the DSX 1 framing can be either ESF or D4 the unit will provide the necessary conversion If however the NI framing is D4 the DSX 1 framing shou
39. al Port 2 DSO assignments This selection determines which specific DSOs within the T1 stream will support the Serial Port Access System Centum Series User Manual 3 11 Configuring and Installing the Centum Series NOTE In an Integrated Access Fractional TI environment this selection MUST LES be coordinated with the network supplier The First DSO is the lowest numbered DSO of the quantity indicated in Data Rate items 13 and 20 above Repeatedly SELECT until the desired First DSO appears in the display The remaining DSOs required to support the desired data rate are the next higher numbered contiguous or alternate DSOs except that the string of DSOs cannot wrap from 24 to 1 DOWN to Serial Port 1 or 2 display XXXXXXX DSOs Repeatedly SELECT to choose either Consecutive or Alternate If Consecutive is chosen the DSOs assigned to this serial port will be a contiguous string beginning with the First DSO If Alternate is chosen Centum Series will insert an idle DSO immediately after each one required for user data For example if the first DSO is 1 and four alternate DSOs are selected 1 3 5 and 7 will carry user data while 2 4 6 and 8 will be idle When this selection is made place checkmarks in the appropriate T Channel Definitions boxes to simplify recordkeeping Don t forget to account for 56 kbps vs 64 kbps DSOs DOWN to Serial Port 1 or 2 display CD XX 15
40. al Publications 62411 54016 and 54019A ESF This equipment meets the safety requirements of the Underwriters Laboratories UL technical publications UL 1950 FCC Registration 2J3USA 75166 DE N Type of Interface 1 544 Mbps Digital Channel Facility Interface 04DU9 B for D4 format 04DU9 C for ESF format with AMI Line Code 04DU9 S for ESF format with B8ZS Line Code Service Code 6 0N Jack Arrangement RJ 48C Ringer Equivalence N A iv Access System Centum Series User Manual FCC User Requirements The following instructions are provided to ensure that you comply with the Federal Communications Commission FCC Rules Part 68 1 All direct connections to the T1 digital lines must be made through standard plugs and jacks furnished by the telephone company no connections can be made to party lines or coin lines Before connecting your unit you must do the following a Tell your local telephone company that you have an FCC registered device that you wish to connect to the company s lines Provide the 14 digit FCC registration number listed on the label The telephone company will also need to know the facility interface code 04DU9 B and service code 6 0N in order to connect the necessary service b Inform the telephone company that you wish to use the RJ 48C jack arrangement c After the telephone company has installed the RJ 48C jack you may connect the CSU with the appropriate cable If the unit appears to be m
41. alfunctioning it should be disconnected from the telephone line until the source of the problem is confirmed If the unit needs repair it should not be reconnected until after the repair is completed The CSU has been designed to prevent harm to the DDS or T1 network IF the telephone company determines that it is exceeding tolerance parameters they are permitted to temporarily disconnect service When possible the customer will be given advance notice Under FCC Rules no customer is authorized to repair the equipment regardless of its warranty status If the telephone company alters the equipment in a manner that will affect its usage advance notice must be given to prevent service interruption Normally Verilink CSU equipment will be used to interface either FCC registered or grandfathered digital terminal equipment to the digital service channel If the equipment to be connected is not of this type institutional procedures provide that an affidavit be supplied to the Access System Centum Series User Manual telephone company This affidavit must state that the system will be operated only by trained individuals and that the signal power at the telephone company interface will not exceed the limits set forth in Part 68 of the FCC s Rules and Regulations vi Access System Centum Series User Manual Table of Contents Introduction Re ta net Re ltt a ee ae 1 1 TT CONCEP ts Feeder o ees 1 1 Product Features and Spec
42. als to the PBX for appropriate action Refer to NI CFA item 9 earlier If NI CFA is Yes choose DSX 1 CFA No If NI CFA is No and the network is provided by a common carrier such as a telephone company choose DSX 1 CFA Yes Ensure that the attached PBX will react to a three second red alarm by discarding data and sending a yellow alarm If NI CFA is No and the network is private the selection is a user option 3 18 Access System Centum Series User Manual Checking the T Channels ain Menu DOWN to display SELECT o display DOWN as equired to display SELECT to display Checking the T Channels Main Menu _Configuration Configuration _NI Interface Configuration _DSO Assignments Channel _01 Repeatedly depress UP or DOWN while comparing Centum Series display with the checkmarks in the worksheet T Channel Definitions columns 14 and 27 Note that Idle refers to channels that have been configured as Not Used in the Centum Series In some cases typically involving Fractional T1 a portion of the DSOs assigned to the DSX 1 port will be forced to idle by the PBX these channels will be displayed as DSX 1 Access System Centum Series User Manual 3 19 Configuring and Installing the Centum Series channels by the Centum Series The user is advised to mark the Worksheet in such a way that PBX idle can be differentiated from Centum Series idle The DS
43. ceive Data A From AA a Transmit Clock B From X Receive Clock B From Ext Transmit Clock To S Transmit Data B To T Receive Data B From C Request to Sen To F Data Carrier Detect From D Clear to Send From H Data Terminal Ready To E Data Set Ready From B Signal Ground RS 442A Serial Port RS 422A Category I signaling is provided through a female DB 25 connector per the RS 530 specification With an external adapter cable the same signals are provided through a female DB 37 connector per the RS 449 specification The pin assignments are shown Verilink cabling is recommended 458 501792 0 10 25 pin DB 25 male connectors at both ends in compliance with RS 530 specification Fifteen feet long Optional at extra cost RS 530 RS 449 To From DB 25 DB 37 Access System Connector Adapter Signal 100 15 5 Transmit Clock A From 17 8 Receive Clock A From 24 17 Ext Transmit Clock A To 2 4 Transmit Data A To 3 6 Receive Data A From 12 23 Transmit Clock B From 9 26 Receive Clock B From 11 35 Ext Transmit Clock B To 14 22 Transmit Data B To 16 24 Receive Data B From 4 7 Request to Send A To 8 13 Data Carrier Detect A From 5 9 Clear to Send A From 20 12 Data Terminal Ready A To 6 11 Data Set Ready A From 19 25 Request to Send B To 10 31 Data Carrier Detect B From 13 27
44. ch as Payload Serial Port or DSX 1 BERTsor any externally generated testing It is also useful for looping back Serial Port or DSX 1 testing initiated by any remote location in an Integrated Access Fractional T1 circuit WHEN TESTING IS COMPLETED BE SURE TO TURN THE LOOP ag Menu DOWN to display IOWN and ELECT as display Figure 4 3 4 6 Access System Centum Series User Manual __ 1536Mbps 1 544 Mbps e Payload Diagnostics NI DSX 1 Port NI DSX 1 Diag PAYLD Loop On Payload Loop diagram Payload Loop ON Networ Interface Line Loop LLB causes a local line loop at the Centum Series unit where the command was entered RLB causes a remote line loop at the distant end of a point to point circuit RLB should not be attempted in an Integrated Access Fractional T1 environment The CSU is excluded from the test path in a Line Loop configuration In a point to point circuit the LLB and RLB are useful for looping back any testing initiated by the other end such as Payload Serial Port or DSX 1 BERTs or any externally generated testing In an Integrated Access Fractional T1 circuit LLB is useful for looping back Serial Port or DSX testing initiated by any remote location WHEN TESTING IS COMPLETED BE SURE TO TURN THE LOOP ag Menu Diagnostics DOWN _NI DSX 1 Port OWN and NI DSX 1 Diag ELECT as display NI LLB _On JOWN
45. d of the circuit is configured the same Access System Centum Series User Manual 3 13 Configuring and Installing the Centum Series NO OTHER CONDITIONS AREVALID Please refer to discussion under Serial Port Data Rate items 13 and 20 above DOWN to Serial Port 1 or 2 display Clock XXXX 17 Serial Port 1 Clock Normal Inverted 24 Serial Port 2 Clock Normal Inverted Repeatedly SELECT to choose Normal or Inverted Initially choose Normal If frequent errors occur at this serial port try Inverted and check performance Normally the down going clock edge is in the middle of each bit This is required by networks Some DTEs particularly with high speedV 35 configurations and or lengthy cables place the rising edge in the middle of each bit Inverted will correct this condition to satisfy the network DOWN to Serial Port 1 or 2 display Clocks XXXX XXX 18 Serial Port 1 Clock Handling 25 Serial Port 2 Clock Handling Repeatedly SELECT to choose Internal External or Int Ext NOTE External is not available for Serial Port 2 Internal is the normal setting and should always be chosen unless there is specific reason to do otherwise At the serial interface Centum Series will provide both TX clock and RX clock to the customer DTE External should be used with Serial Port 1 if the attached user equipment is DCE rather than DTE Centum Series will accept both TX clock and RX cloc
46. dditionally the Access System 150 has a DSX 1 port to handle voice transmissions for drop and insert applications A 1 digital transmission facility carries twenty four 64 kbps DS 0 channels for a total of 1 536 Mbps plus 8 kbps overhead to achieve the well known 1 544 Mbps These 5 05 can be demultiplexed by the Centum Series and a group of DS Os can be assigned to the connectors on the equipment to transport information In some cases the user has access to the full 64 kbps per channel while in other cases the limit is 56 kbps per channel A detailed explanation is provided in Chapter 3 Configuring and Installing the Centum Series The facility itself can be a physical point to point circuit with all 24 DS 0s going from one site to another The facility can also be an Integrated Access that uses a Central Office DACS and one or more Fractional T1 FT1 links This is a physical multipoint facility with logical point to point links formed by groups of 08 05 Access System Centum Series User Manual 1 1 Product Features and Specifications Special Centum Series Features This section explains product features and specifications The Centum Series has a number of special features Built in T1 ESF CSU Interfacing to T1 or Fractional T1 services requires a T1 CSU Channel Service Unit The Centum Series includes a built in 1 ESF CSU as standard equipment The superior ESF Extended Superframe CSU includes provisi
47. e Code _XXX 5 Line Code This information must be obtained from the network supplier Repeatedly SELECT to choose between AMI and B8ZS DOWN to NI Configuration display LBO _X dB 6 NILBO Should be set to 0 dB unless the network supplier specifically requests otherwise If requested repeatedly SELECT to choose 0 7 5 15 or 22 dB 3 6 Access System Centum Series User Manual Configuration Parameters DOWN to NI Configuration display NTWK Diag XXX 7 Network Diagnostics This entry determines the Centum Series ability to respond to diagnostic commands received from the network supplier Repeatedly SELECT to choose between Yes and No User equipment must always respond to network generated diagnostic commands Select Yes unless the commands are to be passed to another T1 device that will respond DOWN to NI Configuration display Density XXXX 8 NI Density This information must be obtained from the network supplier Repeatedly SELECT to choose Clear or 62411 A Clear network imposes no ones density requirements on the user A 62411 network complies with AT amp T Technical Reference 62411 and limits Centum Series transmission to no more than fifteen consecutive zeroes If the Line Code entry item 5 above is B8ZS choose Clear If the Line Code entry is AMI choose 62411 DOWN to NI Configuration display NI CFA XXX 9 NICFA Repeated SELECT to choose between Yes and N
48. e external terminal From the Main Menu SELECT the Configuration menu and use the arrow buttons to display Print Config Then SELECT to initiate a printout From the Main Menu SELECT the Alarms Stats menu and use the arrow buttons to display either Print Alarms or Print ESF Stats Then SELECT to initiate a printout Terminal control provides a much more comprehensive printing capability with CRT formatting entering a P on the appropriate screen will cause a printout of Configuration DSO Assignments Link Statistics Alarms ESF Register Summar and Complete ESF Register Contents Access System Centum Series User Manual 6 19 Link Alarms and Statistics The user has selected Link Alarms and Statistics from the terminal s Main Menu and is presented with the menu depicted below This menu provides access to Network Alarms and Network Diagnostics see Chapter 4 Testing the Centum Series 6 20 Access System Centum Series User Manual Appendix A SNMP Managemen This appendix describes the management of Centum Series units equipped with the Verilink embedded SNMP agent Connecting the Centum Series Option 1 This section describes two options for connecting the Centum Series units for use with SNMP management The Centum Series comes equipped with two RS 232 asynchronous ports intended for the purpose of device management The AUX connector is intended for use with a VT 100 style ASCII terminal and supports menus for
49. e format and interpretation of printed events are shown on the next page In addition Centum Series maintains a log of the most recent sixteen events and that log can be accessed by either the front panel controls and LCD panel or an externally attached terminal See page 6 15 for terminal access of the Event Log From the Event Log Main Menu SELECT then use UP DOWN arrows to view the stored events and or clear the log The log is cleared is SELECT is depressed when the screen displays Clear Event Log The format of an LCD screen event is below Interpretation of the events is the same as shown on the next page for printed events NN S Event Description HH MM SS MM DD NN is the Event sequence number S indicates that the Event is the Start of an occurrence E is used to indicate that the Event is the End of an occurrence 5 6 Access System Centum Series User Manual Event Printing Unit ID 0012345 Type System Alarm Diagnostic Indications FORMATAND SAMPLE ENTRY Seq Num 01155 ext UNIT START BRAM CLEAR CFG ERROR NI RED NI AIS NI YEL NI CRC NI FSS NI FERR DSX 1 RED DSX 1 AIS DSX 1 YEL DSX 1 CRC DSX 1 FERR DTE LL DTE2 LL DTEI RL DTE2 RL NILLB NI RLB NI PLLB NI CSU LL DTE 1 CONN DTE 1 DISC DTE2 CONN DTE 2 DISC Time Date Status Event 10 39 39 02 25 End PORT 1 LL Description Centum Series Power Up of Initialization Sequence Non Volatile Memory has been Cleared Error De
50. e self testing again If the unit still indicates errored seconds contact our Technical Assistance Center Turn Off the BERT and the CSU Loop Cycle through the Diagnostics menus and confirm that all test functions loops and BERT are Off If necessary turn them Off If the unit is being used in a point to point configuration configure and self test the remote unit If the unit is being used in an Integrated Access Fractional T1 environment configure and self test all remaining units 3 22 Access System Centum Series User Manual Connecting the Centum Series Connecting the Centum Series After all units have been configured and self tested they should be connected to the network via the 8 pin modular jack RJ 48 configuration The User DTEs and the DSX 1 should also be connected at this time The V 35 DTE connects to the DSU via female M series 34 pin connectors RS 530 DTEs connect to the DSUs via female DB 25 connectors RS 449 37 pin DTEs connect to the DSUs via mechanical adapters and female DB 25 connectors The DSX 1 port is an 8 pin modular jack RJ 48 configuration All cable specifications are given in Appe ndixB Standard Cabling for User Ports Figure 3 1 Rear Panel of Access System 100 V 35 version PORT 1 V 35 05599990 PRN C BOSCO 000000000 Figure 3 2 Rear Panel of Access System 150 V 35 version 8 pin 6 pin Modular M series 34 pin Receptacle Modular
51. g Figure 2 2 Front Panel Access System 150 5150 Drop and Insert Single Port CSU DSU VERILINK on Access System Centum Series User Manual 2 1 Figure 2 3 Front Panel Access System 200 AS200 Dual Port CSU DSU VERILINK arg System DEN LP BPV AL TST LP DCD TST LP There two UP DOWN arrow buttons a SELECT button END button The basic operating procedures are simple 1 To select a menu use the UP and DOWN buttons to move to the desired field 2 Then SELECT to choose the submenu 3 To choose from a particular set of parameters or activate a function use the SELECT key Use END to return to the next higher menu grouping UP DOWN Arrow Buttons These buttons are used to move the display window vertically within a menu grouping The UP button moves the display window up backwards The DOWN button moves the display window down forward to the next menu entry SELECT Used to choose a submenu choose a parameter activate a function END Used to return to the previous menu 2 2 Access System Centum Series User Manual LCD Scree The LCD screen is limited to two lines of 16 characters each The displayed menus include the Main Menu which is sub divided into the following five 5 menus Configuration Diagnostics Alarms amp Statistics Event Log and Utilities Each sub menu is further broken
52. ifications essere rennen 1 2 Special Centum Series Features vannier aa E en eere 1 2 Built in T1 ESE E IUe etu pers 1 2 Network Protection sss irese nnne nennen nnne nnne nnne 1 2 Front Panel Control eee er ehe REPE RE uS 1 2 Terminal Control ze 1 3 NMS Control ee pepe DRE UR 1 3 Printer a ci ee lei needy tue 1 3 Event Loe 5 5 onere et eee RR eO eR SOS 1 3 rerit ete re E 1 3 ESE Op ration ep eth epe Rp eae 1 4 Clear Channel 1 4 Specifications erona aa LE 1 4 Front Panel Overview o ee rede ai 2 1 Introduction ciebat 2 1 ECD Screen ect RO RUNE e AER Re UP E ERI een 2 3 LEB Indicatots EEE SEE PET RE FERRE EAE ERI ERAN 2 5 Configuring and Installing the Centum Series 3 1 Requirements e ete ERE E GI 3 2 Software and hardware onere ttr EA erre E 3 2 Power and environmental enne 3 2 Centum Series Worksheet ertet etr 3 2 Configuration Parameters iesse ecek sieer sedersi torin SoS EEVEE EES E EEE ES E E RoS 3 4 Checking the T Channels EErEE bp E 3 18 Self Testing Centum Series x ete 3 20 Connecting the Centum Series 3 22 Line Testing Point to Point Configuration
53. imum data transfer efficiency in the network 3 10 Access System Centum Series User Manual Configuration Parameters If the NI is not Clear steps must be taken to ensure the proper ones density in the data presented to the network If this is not done Centum Series may occasionally damage user data in order to satisfy network requirements There are three methods that can be used to ensure ones density in the data Limit the user data to 56 kbps per DSO Centum Series will use the remaining 8 kbps in each DSO to provide the required density Allow 64 kbps user data in each DSO and use alternate DSOs Keep the intervening DSOs idle to provide the density See Alt Consec below items 14 and 21 This method wastes significant bandwidth and should only be used when absolutely necessary Allow 64 kbps user data in each DSO when the user s protocol provides the required density See Data Norm Inv below item s 16 and 23 When the 56 64 decision has been made repeatedly SELECT until the desired data rate is displayed on the left side of the LCD panel AND the correct DSO quantity is displayed on the right side Select N U if the Serial Port will not be used CAUTION In some cases the same data rate can be achieved with two different DSO quantities one with 56 kbps DSOs and the other with 64 kbps DSOs DOWN to Serial Port 1 or 2 display First DSO XX 14 Serial Port 1 DSO assignments 21 Seri
54. is being used Chapter 6 Auxiliary Ports describes usage of an external terminal The Centum Series includes extensive diagnostic capabilities that allow testing of the Centum Series unit itself as well as the attached T1 network Follow the instructions below to access the Diagnostic Menus ain Menu Main Menu DOWN to t display Diagnostics Then proceed to the following pages to access the specific test features Access System Centum Series User Manual 4 1 CSU Loop When the CSU Loop is ON the front panel LP LED will illuminate and local testing can be performed by external DTE equipment or by Centum Series s internal BERT see CSU Loop with BER on pa ge4 5 ag Menu Diagnostics DOWN to display _NI DSX 1 Port SELECT NI DSX 1 Diag eatedly to display CSU Loop Off On CSU Loop OFF Normal Data 1 536 Mbps Payload Interface CSU Loop ON 1 536 Mbps Payload 1 544 Mbps Networ Interface 4 2 Access System Centum Series User Manual Payload BERT The Payload BERT is useful in a point to point environment The Centum Series units at both ends of the circuit must be placed in a Payload BERT condition with the same BER pattern ag Menu Diagnostics DOWN Tolar NI DSX 1 Port DOWN to NI DSX 1 Diag display BER Patt XXX SELECT as required to choose the desired Bit Error Rate pattern of 511 2 of 16 or All Ones 1 SELECT NI DSX 1 Diag equired to display
55. is highly recommended by Verilink as the CRT display is not constrained by the limitations of the LCD panel and as a result the user is presented with a more comprehensive indication of available choices and Centum Series results The NMS Printer port allows the user to connect an external serial printer to obtain a hard copy of configuration statistics alarm and real time events Access System Centum Series User Manual 6 1 Cabling The table below provides a summary of the Verilink cables available for the Centum series Table 6 1 Verilink Cable Number Length Description Type of Cable CBE 010 00001 15 ft 8 pin to 8 pin modular Male to Male for network Networ connection CBE 011 00001 15 ft 8 pin to 8 pin modular Male to Male for equipment T1 Equipment connection CBE 010 00002 4 ft 6 pin modular to 25D type Female for direct Management connection 458 502368 008 8 ft 6 pin modular to 25D type Male for modem connection Management 458 501983 015 15 ft V 35 Male to Male DCE to DTE Application 458 501792 015 15 ft 25D type with RS 530 specification Male to Male Application 458 501776 015 15 ft V35 Male to Male for external timing Application 458 501791 015 15 ft RS 530 Male to Male for external timing Application Adapter Cables below 458 502361 015 15 ft 25D type RS 530 Male to 37 pin RS 449 Female Application 458 502362 015 15 ft 25D type
56. k from the customer DCE This setting 3 14 Access System Centum Series User Manual Configuration Parameters requires special user cabling and a very specific DCE configuration Please refer to Appendi xC Special Serial Port Cabling for more information Int Ext should be used for Serial Port 1 if the attached user DTE is substantially far away from Centum Series and or if Serial Port 1 is to be used as the system s master clock See Timing Source item 12 above Int Ext should be used for Serial Port 2 if the attached user DTE is substantially far away from the Centum unit The Centum unit will provide RX clock to the attached DTE and will accept TX clock from the DTE The Int Ext setting requires a special DTE requires a special DTE configuration or a modified cable Please refer to Appen d ixC Special Serial Port Cabling for more information Important Notes a If Int Ext timing has been selected for Serial Port 1 because Serial Port 1 is to be used as the system s master clock see item 12 above the recommendation in Appendi xC must be followed b Ifexcessive DTE cable distance is the only concern consider the following Clocking problems appear as periodic predictable error bursts Internal Serial Port timing should first be attempted with a normal DTE configuration and a standard cable Ifclocking problems occur they can frequently be corrected by using clock inversion items 17 and 24
57. k recommends that the master worksheet be photocopied and that copies be used to record the actual information for Centum Series units By using the information in this chapter one worksheet should be completed for each unit in the network After completing all worksheets for all units this chapter should again be used to actually configure the units Note that the Centum Series can remain unpowered indefinitely without losing the configuration parameters Plug in the Centum Series and confirm that the LCD panel displays Main Menu _Configuration If necessary press the UP or DOWN arrow buttons until the panel displays the above information Now refer to a photocopied configuration sheet The item numbers below correlate to the reference numbers circled on the sheet 1l Model number Administration information indicating specific Centum Series model being configured 2 Company name and location Administrative information determined by customer Access System Centum Series User Manual 3 5 Configuring and Installing the Centum Series 3 T Carrier ID Local Circuit ID and Billing Number Administrative information obtained from the network supplier SELECT to Configuration display _NI Interface SELECT to Configuration display Framing XX 4 NlFraming This information must be obtained from the network supplier Repeatedly SELECT to choose between D4 and ESF DOWN to NI Configuration isplay display Lin
58. ld also be D4 conversion from ESF to D4 is not recommended All DSOs that have not been assigned to Serial Port 1 are given to the DSX 1 port by default unless N U is selected for DSX 1 framing If the PBX will use some but not all of those DSOs the appropriate DSOs should be idled by the PBX The user is advised to mark the Worksheet in such a way that PBX idle can be differentiated from Centum Series idle When this selection is made place checkmarks in the T Channel Definitions boxes to simplify recordkeeping DOWN to DSX 1 Config 21 display Line Code XXXX DSX 1 line code Repeatedly SELECT to choose the line code provided by the attached PBX B8ZS or AMI Refer to item 5 earlier If the NI line code is B8ZS the DSX 1 line code can be either B8ZS or AMI the Centum Series unit will provide the necessary conversion If however the NI line code is AMI the DSX 1 framing should also be AMI conversion from B8ZS to AMI is not recommended DOWN to DSX 1 Config display Distance XXXft Access System Centum Series User Manual 3 17 Configuring and Installing the Centum Series 22 PBX distance Repeatedly SELECT to choose a distance figure that most closely approximates the cable length from the DSX 1 port to the PBX DOWN to DSX 1 Config display DSX 1 CFA XX 23 DSX 1 CFA Repeatedly SELECT to choose No or Yes Yes causes the Centum Series unit to pass red alarm sign
59. nal juency locked to NI Repeater juency locked to synchronous Serial Port 1 juency locked to DSX 1 Port drive to 6000 feet al Digital Loopback ote Digital Loopback V 54 al CSU Loopback LLB RLB Payload Loopback work Interface and Serial Port with bidirectional testing ctable patterns of 511 2047 1 in 8 2 of 16 and All Ones sity Loop BPV Alarm sity Loop BPV Alarm Loop DCD Loop DCD haracter Liquid Crystal Display LCD with front panel buttons 1 terminal m printer W x 1 75 Hx 10 D unds maximum etop or Rack 30 Vac 57 63 Hz 40 degrees C 9096 humidity non condensing Access System Centum Series User Manual 1 5 1 6 Access System Centum Series User Manual Chapter 2 Front Panel Overview Introduction The front panel LCD screen displays two rows of sixteen characters each Menu parameters are presented individually The buttons to the right of the LCD screen scroll data vertically through the screen displaying up to two parameters at a time There are also up to 10 LED indicators that are used to display the status of various Centum Series conditions Figure 2 1 Front Panel Access System 100 5100 Single Por CSU DSU vERILINK LED indicators LCD screen LED indicators UP and DOWN arrow buttons to move to a field SELECT button to choose a parameter or activate a function END button to return to next higher menu groupin
60. nstalling the Centum Series before changing any parameter s By selecting View DSO Allocations the user can view all DSO assignments on a single screen This is the same function as Checking the T Channels on page 3 19 Note that Idle refers to channels that have been configured as Not Used in the Centum Series In some cases typically involving Fractional T1 a portion of the DSOs assigned to the DSX 1 port will be forced to idle by the PBX these channels will be displayed as DSX 1 channels by the Centum Series The user is advised to mark the Worksheet in such a way that PBX idle can be differentiated from Centum Series idle Access System Centum Series User Manual 6 9 Verilink Corporation Mar 09 1995 Access System 150 T 1 Drop and Insert CSU DSU 20 26 00 Unit ID 30000000 SYSTEM CONFIGURATION Network NI DSX 1 Serial Port Configuration Configuration Configuration Port 1 Framing ESF Framing N U Speed 1536k 24 DSO Line Code B8ZS Line Code AMI First DSO 01 LBO 0 db Distance 100ft DSO Order Consec DSOs Density Clear DCD Off NTWK Loops Yes Data Norm Yellow Alm Yes Clock Norm ESF Format T1 403 Timing Internal CRT Alarm On Rem Loop Enabled System Clock Source Port 1 Quit Configuration Q View DSO Allocations V Save New Configuration S or X Cursor Forward SPACE Next Previous Entry ENTER B Cursor Back BAC
61. o Yes causes Centum Series to discard data and send a yellow alarm if it is in a red alarm condition for three seconds Access System Centum Series User Manual 3 7 Configuring and Installing the Centum Series Yes MUST be chosen if the network supplier is a common carrier such as a telephone company If the network is private the selection is a user option DOWN to NI Configuration display ESF Frmt XXX 10 ESF Reporting Format This entry describes the types of ESF network commands that the Centum Series will respond to It has no meaning for D4 networks see Framing item 4 above With ESF networks this information must be obtained from the network supplier Repeatedly SELECT to choose between AT amp T Technical Reference 54016 and ANSI specification T1 403 DOWN to NI Configuration display Clear Regs XXX 11 Clear Registers Repeatedly SELECT to choose between Yes and No Yes is the recommended choice When commanded by the network supplier Centum Series will transmit stored error information to the supplier A Yes entry will cause Centum Series to clear all error counts when the unit is powered down and back up again A No entry will allow potentially invalid registers in preparation for transmission to the network supplier 3 8 Access System Centum Series User Manual Configuration Parameters o display Configuration _NI Interface DOWN to NI Configuration display
62. ons for continuous performance monitoring by both the user and the telephone company central office ESF provides a 4 kbps link control channel transparent to user data which allows the telephone company to monitor the local loop transmit and receive test messages and retrieve performance data all without interrupting normal operations Network Protection The Centum Series provides complete electrical protection for the network by automatically inserting pulses into the transmitted signal as required to meet the bit density formula specified in AT amp T Pub 62411 Front Panel Control The Centum Series is easy to use Configuration and testing are accomplished with a few buttons Status is shown on a 32 character liquid crystal display LCD screen and 10 front panel indicators The LCD screen serves as a window that can be moved vertically The indicators are separated in NI Network Interface and serial DTE port groups 1 2 Access System Centum Series User Manual Terminal Control All Centum Series features can be accessed via an external terminal The terminal s CRT allows displays that are much more comprehensive than possible via the front panel LCD The user supplied terminal can be selected from a wide variety of standard offerings or can be a PC with terminal emulation software NMS Control Configuration dialing and testing can also be controlled through a user supplied PC using the optional Verilink SNMP ba
63. quipment The built in tester transmits a 511 bit pseudo random test pattern The Centum Series records errors received seconds in test and error free seconds Alarm conditions are displayed on the front panel LCD screen as well as on the console s Alarms Statistics screen Front panel LEDs indicate unit and control signal status ESF Operation Centum Series Extended SuperFrame ESF operation allows the telephone company central office to continuously monitor the local loop to transmit and receive test messages and to retrieve performance data without interrupting normal operations The unit is compatible with both AT amp T 54016 and ANSI T1 403 specifications Clear Channel The Centum Series provides clear channel signalling with B8ZS line coding in installations where it is supported bythe Telco central office or alternate channel assignment Specifications Product specifications for the Centum Series are listed on the following page 1 4 Access System Centum Series User Manual AS100 AS150 AS200 v v v v 56 64 kbps where N 1 to 24 3 Synchronous CCITT V 35 EIA RS 422A 530 or RS 422A 449 with optional adapter tale 34 pin M series 25 pin or 37 pin with optional adapter 4 Mbps B8ZS AMI and ESF D4 tale 8 position RJ 48C ESF D4 compatibility per AT amp T Tech Pubs 62411 54019 and ANSI T1 403 4 Mbps 50 bps bipolar B8ZS or AMI 5 15 22 5 dB iale 8 position RJ 48C r
64. quired number of transmitted ones to satisfy the T1 network requirements This could be a result of improper configuration or failure of the customer s attached Serial port equipment and will result in data corruption AL DSX 1 Port ON when receive alarm condition Red Yellow etc is detected on the DSX 1 Port LP DSX 1 Port amp Network Interface ON when either the Network Interface or the DSX 1 Port is in a loopback state BPV Network Interface ON when Bipolar Violations are being received from the network Can also indicated a very weak or overly strong signal AL Network Interface ON when receive alarm condition exists Red Yellow etc TST Serial Port Channel 1 Indicates the status of the BERT test if in progress Will be ON only if the test results are good LP Serial Port Channel 1 ON when a loop condition exists in the serial port either at the local or remote end DCD Serial Port Channel 1 ON when the state of the Data Carrier Detect or equivalent lead being transmitted to the DTE connected to the serial port is ON or HIGH TST Serial Port Channel 2 Indicates the status of the BERT test if in progress Will be ON only if the test results are good LP Serial Port Channel 2 ON when loop condition exists in the serial port either at the local or remote end Access System Centum Series User Manual 2 5 ON when the state of the Data Carrier DCD Serial Port Channel 2 Detect or eq
65. s to be shipped at a later date WARNING The following rules should always be followed when connecting telephone equipment and or wiring 1 Never install telephone wiring during a lightning storm 2 Never install the telephone jacks in wet locations unless the jack is specifically designed for wet locations 3 Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface 4 Use caution when installing or modifying telephone lines Verilink reserves the right to incorporate product enhancements and or change product specifications at any time and without notice All Verilink equipment is covered by a 5 year new product warranty For additional information call 1 800 VERILINK Access System Centum Series User Manual iti FCC Information This equipment complies with the requirements in Part 15 of FCC Rules for a Class A computing device Operation of this equipment in a residential area may cause unacceptable interference to radio and television reception requiring the operator to take whatever steps are necessary to correct the interference Verilink shielded cables should be used with this unit to ensure compliance with the Class A limits This equipment meets the technical criteria specified in the Part 68 rules sub part A through F for connection of terminal equipment to the telephone network as well as the requirements specified inAT amp T Technic
66. sed network management software Most DOS based PC devices can serve as the NMS Network Management System console The console port on the rear panel of the Centum Series an RS 232C connector supports speeds of 1200 2400 4800 and 9600 bps A password routine prevents unauthorized access to the NMS console screens Printer Support The Centum Series includes a port for serial printer support Real time reports of all system events are automatically sent out this port In addition the front panel or an externally attached terminal can command printouts of configuration alarms and ESF statistics Event Log The Centum Series constantly monitors for the occurrence of events such as alarms test commands and system resets When an event occurs a description with a time and date stamp is immediately sent out the printer port In addition the Centum Series maintains a log of the most recent sixteen events and that log can be accessed by either the front panel controls and LCD panel or an externally attached terminal Built in Diagnostics Verilink s Centum Series includes extensive capabilities to help pinpoint network problems without the need for external test equipment Diagnostics include local and remote Serial Port digital loopbacks LLB RLB and payload NI loopbacks Access System Centum Series User Manual 1 3 The Centum Series also includes a built in bit error rate tester BERT eliminating the need for external test e
67. tected in Non Volatile Memory Network Interface is in Red Alarm Network Interface is Receiving all Ones AIS Network Interface is Receiving Yellow Alarm Network Interface is Experiencing CRC6 Errors Network Interface is in a Failed Signal State Network Interface is Experiencing Framing Errors DSX 1 Interface is in Red Alarm DSX 1 Interface is Receiving all Ones AIS DSX 1 Interface is Receiving Yellow Alarm DSX 1 Interface is Experiencing CRC6 Errors DSX 1 Interface is Experiencing Framing Errors Serial Port 1 is in Local Digital Loopback Serial Port 2 is in Local Digital Loopback Serial Port 1 is in Remote Digital Loopback Serial Port 2 is in Remote Digital Loopback The Network Interface is in Local Line Loopback The Network Interface is in Remote Line Loopback The Network Interface is in Payload Loopback The Network Interface is in Local CSU Loopback Serial Port 1 is Connected DTR RTS Asserted Serial Port 1 is Disconnected Serial Port 2 is Connected DTR RTS Asserted Serial Port 2 is Disconnected Access System Centum Series User Manual 5 7 5 8 Access System Centum Series User Manual Chapter 6 Auxiliary Ports The Centum Series includes two RS 232 auxiliary ports The CRT port allows the user to connect an external terminal or PC with terminal emulation The connected terminal can perform all the functions of the UP DOWN SELECT and END buttons on the front panel Usage of this terminal
68. to the customer premises It usually means that the network is not receiving Centum Series signalling correctly Access System Centum Series User Manual 5 1 ESF Statistics Definitions Framing Errors One or more frame alignment bit errors have been detected This does not mean that synchronization has been lost CRC6 Alar m One or more CRC6 block errors have been detected The D4 framing does not include CRC6 Centum Series replaces that parameter by counting the number of framing bit errors The result is a useful picture over time regarding D4 link performance BPV Bipolar Violations have been detected This usually indicates that a very weak or overly strong signal is being received from the network Errored Second ES Any occurrence of a Loss of Frame or a CRC6 error in a one second period Failed Signal State FSS Ten consecutive Errored Seconds Failed Second FS Each second during the occurrence of a Failed Signal State Severely Errored Second SES Three hundred twenty 320 or more CRC6 errors in a one second period Bursty Errored Second BES More than one but less than 320 CRC6 errors in a one second period 5 2 Access System Centum Series User Manual Alarms Statistics Menu Please refer to Alarm Definitions on page 5 1 and ESF Statistics Definitions on page 5 2 This chapter describes front panel access of the Alarms and Statistics storage Please refer to page 6 12 for terminal access From
69. twork Interface and the DSX 1 Port both use an 8 pin modular jack in an RJ 48 configuration The figures to the right show the pin numbering and the pin assignments of the two jacks Verilink cables are recommended Network Interface Cable Eight position 8 pin male male modular cable RJ 48 configuration Used for connecting the NI port to the supplier s network interface Fifteen feet long One cable supplied with unit Additional cable optional at extra cost Figure B 1 Network Interface and DSX 1 Port RJ 48 To From Access System 12345678 Pin Signal 100 1 Receive To 2 Receive To 3 Not Used 4 Transmit From 5 Transmit From 6 Not Used 7 Optional Shield Ground 8 Optional Shield Ground Access System Centum Series User Manual B 1 V 35 Serial Port V 35 signaling is provided through a female M series 34 pin connector The connector and its pin assignments are shown below Verilink cabling is recommended 458 501983 0 straight through cable M series 34 pin male connectors at both ends Fifteen feet long Optional at extra cost Figure 2 V 35 Serial Port Pin Assignments M series 34 pin B 2 Access System Centum Series User Manual connector To From Access System Pin Signal 100 Y Transmit Clock A From V Receive Clock A From U Ext Transmit Clock A To P Transmit Data A To R Re
70. uivalent lead being transmitted to the DTE connected to the serial port is ON or HIGH System END CH1 TST LP DCD vERILINK 4 p OOO BIO 2 6 Access System Centum Series User Manual Chapter 3 Configuring and Installing the Centum Series WARNING The following rules should always be followed when connecting telephone equipment and or wiring 1 2 Never install telephone wiring during a lightning storm Never install the telephone jacks in wet locations unless the jack is specifically designed for wet locations Never touch insulated telephone wires or terminals unless the telephone line has been disconnected at the network interface Use caution when installing or modifying telephone lines Centum Series units should not be connected to the network until after it has been completely configured and has successfully passed self test Access System Centum Series User Manual 3 1 Configuring and Installing the Centum Series Requirements Software an hardware Power and environmental Listed below are the requirements for operating Centum Series units Each Centum Series product is a self contained unit that can be configured with no additional software or hardware This chapter describes the steps necessary to configure test and install Centum Series using the front panel buttons and LCD panel The same steps can be more easily performed using a customer supplied e
71. word wrap is unnecessary and the printer should not add an LF to each received CR 1 This is a non standard printer port Most printers are parallel not serial Access System Centum Series User Manual 6 17 Printer Port Flow Control The Centum Series port supports simultaneous hardware and software flow control signaling from the attached device The hardware control is RTS if connected directly to a printer or CD if connected via a modem The software control is XOFF XON The XOFF is DC 3 Cntl S however any character arriving at the port is treated as an XO to protect against a damaged DC 1 Hardware control has priority If RTS or CD is low transmission to the device will be suspended and the data will be buffered in Centum Series Receipt of software flow control characters while RTS or CD is low will have no effect on the port Transmission will be resumed when RTS or CD goes high If the port receives an XOFF while RTS or CD is high transmission will be suspended and the data will be buffered Transmission will be resumed if any subsequent character including another XOFF is received or if RTS or CD is lowered and subsequently raised This mechanism protects against a lost XON 6 18 Access System Centum Series User Manual Printer Operation Events are automatically sent real time to the printer See Event Printing on page 5 7 Other print functions are available from both the front panel and th
72. xternal terminal or PC with terminal emulation software See Chapte r6 Auxiliary Ports page 6 8 Centum Series uses 110 120 VAC 60 Hz at 0 25 amps Centum Series does not require a conditioned environment but should be operated in areas with adequate ventilation Centum Series Workshee 9 2 Access System Centum Series User Manual Centum Series Worksheet Access System Centum Series User Manual 3 3 428 5242 unjuag ssa22y vt Centum Series Worksheet Serial Port 1 Data Rate First DS 0 Alt C onsecutive CD Handling Data Norm Inv Clock Norm Inv Clocks Remote Loop Serial Port 2 Data Rate First DS 0 Alt C onsecutive CD Handling Data Norm Inv Clock Norm Inv Clocks Remote Loop Framing Line Code Distance DSX 1CFA 9 amp 5 9 G9 T Channel Definitions FChannel Number JaaYySyAOM 52142 wmjua Configuration Parameters Configuration Parameters Proper configuration of the Centum Series requires information regarding the network itself and the manner in which the network will be used Most of this information is readily available from the network supplier although some user decisions must be made from within the limitations of the network This manual includes a configuration worksheet on page 3 2 to aid the user in configuring the Centum Series Verilin

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