Appendix D Introduction for Troubleshooting

This chapter describes instructions for the IDL-2402 system problems. These procedures may require the presence of technicians at remote IDL-2402 system sites and plus an operator at PC to monitor system alarms by console during maintenance.

Resolving Problems Indicated Through LEDs

This section describes what to do to solve problems indicated by LEDs on the system front panel.

Problems Indicated by LEDs

LED

Activity

Problem

Action

SYS

Not lit even though

There is a power up

Troubleshoot the DSLAM for power

 

DSLAM is powered

problem with the

up problems; see troubleshooting

 

up

system.

section.

 

 

 

 

 

Red

Self-test failed. There is

Replace the DSLAM.

 

 

a functional problem

 

 

 

with the system.

 

ALM

Red

Major alarm set

See troubleshooting section

 

 

 

 

 

Red-Flash

Major and Minor alarm

See troubleshooting section.

 

 

set

 

 

 

 

 

 

Yellow

Minor alarm set

See troubleshooting section.

Resolving Problems Indicated Through Alarms

Alarms of the system are viewed through CLI and Web GUI.

If an alarm indicates a problem, please refer to troubleshooting procedures section.

Troubleshooting Procedures for the IDL-2402

When you follow a troubleshooting procedure, start from the first step of the procedure. If the first step does not solve the problem, proceed to the next step; keep going through the steps until the problem is solved. Use the following table to find out the appropriate procedure for troubleshooting the listed problems.

- 371 -