Nortel Meridian Meridian 1 Maintenance Manual page 175

Diagnostic procedure 1
Power fault suspected (Application Module) (continued)
1.5
Do LEDs on any AM
cards light or flash
briefly?
YES
Stop
Meridian Link Release 5C/CCR Release 3C Diagnostic and Maintenance Guide
NO
Connections secure
between AM power
supply and AM?
Replace Application
Module. See Note.
See Procedure 14:
Replace the
Application Module.
Note: If an LED on any
card went on or flashed,
this indicates that the AM
power supply and power
harnesses are functioning
properly. Cards whose
LEDs did not light are
probably defective or not
seated properly.
Chapter 4: Diagnosing faults 163
NO
Secure connections.
See ÒMeridian Link/CCR
interface cablingÓ in the
Meridian Link/Customer
Controlled Routing
Installation and Upgrade
YES
Guide (553-3202-210).