Troubleshooting - ADC PG-Flex FLC-706 1A Technical Practice

SCP-FLC706-011-03H
T
ROUBLESHOOTING
Table 2 provides troubleshooting procedures using the front panel LEDs and customer reports. The FLC-706
supports CO initiated loopbacks.
LEDs State
FAULT On
FAULT + On
ACTIVE 1
FAULT + On
ACTIVE 2
FAULT + On
ACTIVE 3
FAULT + On
ACTIVE 4
ACTIVE Slow-Flash
ACTIVE Fast-Flash
Problem Reported
Customer reports no dial tone
Customer reports data
transmission errors
Technician establishes loopback
FLC-706 List 1A
Table 2. COT Channel Unit Troubleshooting
Indicates
Fault detected in the PG-Flex
system
Internal fault on the FLC-706 Replace channel unit.
Internal fault on the FLC-706 Replace channel unit.
Internal fault on the FLC-706 Replace channel unit.
Internal fault on the FLC-706 Replace channel unit.
Circuit is in either Loopback
or PGTC test setup state
ISDN circuit lost sync
Condition
Off-hook not extended to CO Check status LEDs. Clear any indicated trouble. Use
Customer experiencing
errors
Loopback customer circuit at
various points
January 6, 2003
Installing the FLC-706 in the COT Shelf
Action
Replace channel unit.
Access the circuit by means of the PG-Flex Line Unit
maintenance port and release the circuit or wait for the test
originator to complete testing.
Check loop or for NT1 removal by customer.
Action
PG-Flex Line Unit maintenance port as required.
Perform Step 3 on page 6. Check performance monitoring
record.
Use loopback portion of PG-Flex Line Unit maintenance
port to select and activate loopbacks.
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