Appendix B | American Telecom AM64/128A guide

AM64/128A User Manual	Contents

5.6 Option Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

5.6.1 X.21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

5.6.2 X.21bis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

5.6.3 G.703 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

5.6.4 Asynchronous Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

5.6.5 Signalling Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31

5.6.6 Character Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32

5.7 Configuration Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

5.7.1 Master / Slave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

5.7.2 Line Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33

5.7.3 X.21 Loop Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

5.7.4 Synchronisation Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34

5.7.5 64k Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

5.7.6 Power Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

5.7.7 Menu Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36

Glossary of Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

General Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Appendix A	Interface Pin Connections	.A1
Appendix B	Internal Link Settings	.A4
Appendix C	In Service Test	.A8
Appendix D	Approvals	A10
Appendix E	Use on X.21/X.21bis digital circuits	A12
Appendix F	Troubleshooting	A15

4

Image 4

American Telecom AM64/128A manual Appendix B

Contents

ATL Part No /203/002/610 Issue 4 September Base Band Modem Information Contained This Document is Confidential to Contents Appendix B Introduction International Models Baseband Modems Constructional DetailsInterface Modules System Overview System Overview Installation TestingBBM to BBM Link Self Test Pass LTU Ready No Alarm LTU Not Ready Link Mode Network Mode BBM to Line Card Link Front Panel Features Menu Operation Loop back Off Loop back On Over all Status Status MenuLoop Active Alarm Status No Alarm No Signal Receiving AIS No AlignmentLOS/CD Fail CD Fail Line Rate User RateInterface Status Operating Mode Link Mode Network Mode Test Menu Local loopLocal loop from menu Top level display shows Loc Loop Off Loc Loop On Loopback Local loop from DTELoopback is applied by selecting the display Loopback Off Loopback On Remote Loop Remote Loop from menuRem Loop Off Rem Loop On Remote loop from DTE Binary PatternsBin Keys Off Sending Bin Error Count Bit Error Rate BER = User Data Rate x Time Data TestOverview Operation Errors nnnnnn Errors s000001Errors Data Test Injection Mode Transparent ModeInjecting 0s Injecting 1s Service Test Svc TestComms Evp Rx Evp Tx Time If the count is stopped the display is Stop Lamp Test Self Test Communication Channel Loopback Comm Loop Off Rate Menu Rate 4.8K Master 64K BT Slave 4.8K Option Menu 2 X.21bis Signalling Rate Asynchronous Mode3 G.703 Character Length Char Len Master Slave Configuration MenuLine Rate Modem 3 X.21 Loop ControlSynchronisation Type for software versions below Synchronisation Type for software version V1.3 and above Ext Byte ClkExt Bit Clk Internal Clk Power Level 5 64k ModeMenu Lock Glossary of Terms Band circuits General Specifications Way D-type X.21 V.11 Connector pin allocation Way D type X.21 bis V.24 / V.28* Connector pin allocationAppendix a Interface Pin Connections Mrac Connector Pin allocation Way D-type V.36 Connector pin allocation Way D-type RS-530 Connector pin allocation Line Connector Appendix B Internal Link Settings Page Interface Modules Interface Module RS530 Interface Module 21bis Interface Module Service Test Facilities Frame Structure Appendix C In Service Test LVD Safety Statements TTE Network and Safety statements Appendix E 21 bit timing cable 15 way to 15 way D type plugs 24 / V.28 bit timing cable 25 way to 25 way D type plugs 21 byte timing cable 15 way to 15 way D type plugs35 bit timing cable 34 way to 34 way Mrac plugs 21 bis V.36 bit timing cable 37 way to 37 way D type plugs RS530 bit timing cable 25 way to 25 way D type plugs Appendix F Troubleshooting Slave Mode 64K Rate Power 10dBmMaster Mode C 64K Rate Rate 64K