Chapter 12 diagnostics & troubleshooting, 1 about this chapter, 2 diagnostic switches – Carrier Access Access Bank II SNMP User Manual
Page 122: Chapter 12, 1 about this chapter -1, 2 diagnostic switches -1, Diagnostics & troubleshooting
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About This Chapter
9/24/01
12-1
Chapter 12
Diagnostics &
Troubleshooting
Contents of This Chapter:
12.1 About This Chapter
This chapter provides instructions for performing:
•
Self Test Loopbacks.
•
Network Loopbacks.
•
Disabling external alarms.
•
Fault isolation procedures for troubleshooting problems encountered while operating the
Access Bank II - SNMP.
12.2 Diagnostic Switches
The Access Bank II - SNMP System Setup and T1 Span Setup DIP switches on the Control Panel
include settings for running the self test loopbacks, enabling network loopbacks, and enabling alarm
cut-off.
About This Chapter .................................... 1
Disabling an External Alarm ..................... 6
Diagnostic Switches ................................... 1
LED Test and Status Indicators ................ 6
Self Test 1 and 2 ........................................ 2
Fault Isolation Procedures ........................ 8
Self Test Fault Indications ......................... 3
Back Plate Indications .............................. 9
1 kHz Digital Milliwatt Test Signal .............. 4
Voice Channel LED is RED ..................... 9
Network Loopback 1 and 2 ........................ 5
All Voice Channel LEDs flash RED .......... 9
T1 Line or Payload Loopbacks ................... 5
No Ringing During a Self Test ................ 10
ANSI T1.403 Remote T1 LLB .................... 5
Access Bank Shuts Down ...................... 10
Disabling an External Alarm ...................... 6