About This Chapter

Chapter 12

Diagnostics &

Troubleshooting

Contents of This Chapter:

 

 

 

 

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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.

12.2Diagnostic 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.

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Carrier Access SNMP manual Diagnostics Troubleshooting, Diagnostic Switches