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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
Not lit even though
DSLAM is powered
up
There is a power up
problem with the
system.
Troubleshoot the DSLAM for power
up problems; see troubleshooting
section.
SYS
Red Self-test failed. There is
a functional problem
with the system.
Replace the DSLAM.
Red Major alarm set
See troubleshooting section
Red-Flash Major and Minor alarm
set
See troubleshooting section.
ALM
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.
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