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Table of Contents
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Chapter 5 - Online Operation
Overview.......................................................................................................................................................... 5-1
Entering the Status Menu ................................................................................................................................ 5-1
DSU Status....................................................................................................................................................... 5-3
NMS Status ............................................................................................................................................... 5-8
APC Status .............................................................................................................................................. 5-12
Hot Spare Status...................................................................................................................................... 5-16
Port Status...................................................................................................................................................... 5-17
T-1 Line Status .............................................................................................................................................. 5-20
Error Statistics ............................................................................................................................................... 5-25
Local and Telco Registers....................................................................................................................... 5-25
Network Receive Register ...................................................................................................................... 5-27
Viewing Error Statistics .......................................................................................................................... 5-28
Alarm Status .................................................................................................................................................. 5-31
Diagnostic Tests ............................................................................................................................................ 5-35
Using External Dial Backup Feature ............................................................................................................. 5-40
Enabling Dial Backup Mode................................................................................................................... 5-40
Configuring Operating Parameters ......................................................................................................... 5-43
Clock Source During Dial Backup.......................................................................................................... 5-47
Automatic Dial Backup Failures............................................................................................................. 5-48
Initiating a Dial Backup Connection Manually ...................................................................................... 5-49
Disconnecting a Dial Backup Connection Manually.............................................................................. 5-49
Dial Backup Mode Diagnostics .............................................................................................................. 5-50
Chapter 6 - Troubleshooting
Overview.......................................................................................................................................................... 6-1
Initial Checks................................................................................................................................................... 6-1
Management Paths During Network Outages ................................................................................................. 6-1
T-1 Line Pattern Test....................................................................................................................................... 6-2
DTE Pattern Test ............................................................................................................................................. 6-3
Digital Loop Test............................................................................................................................................. 6-4
V.54 Digital Loop Test .................................................................................................................................... 6-4
Remote PN127 Digital Loop Test ................................................................................................................... 6-5
Local Line Loop .............................................................................................................................................. 6-5
Local Channel Loop ........................................................................................................................................ 6-6
Bundle Loop .................................................................................................................................................... 6-6
Telco Loops ..................................................................................................................................................... 6-6
Line Loopback .......................................................................................................................................... 6-6
Payload Loopback..................................................................................................................................... 6-7
Activating the Tests ......................................................................................................................................... 6-7
DTE Tests.................................................................................................................................................. 6-8
T-1 Line Tests ......................................................................................................................................... 6-11
RTN Function ................................................................................................................................................ 6-17
Testing Alarm Relays (Central Site Model Only)......................................................................................... 6-17
Summary of Contents for ISX 5312
Page 12: ...Excalibur ISX 5314 T 1 Multiplexer Standalone Model ...
Page 28: ...This forces WIN95 to accept a blank page ...
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