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DEFINITY ECS Release 8.2 ATM Installation,
Upgrades, and Administration
555-233-124
Issue 1
April 2000
Installing a DEFINITY ECS ATM-PNC
3-17Synchronization Installation and Testing
3
Verify the DS1 service
To verify the DS1 service, use the procedure in Table 3-5. Have the ATM switch
installer verify the synchronization source.
Table 3-5. T1 or E1 service verification procedure
√
Step Action Command Description
1. Check timing
signal
Check that the GREEN STATUS 3 LED on the
designated DS1 circuit pack is on steady.
2. Test the DS1
circuit pack
test board
UUCSS
Test the designated DS1 board.
If any one of Test 138 through 145 fails, follow the
repair procedures listed in DEFINITY ECS Maintenance
for R8r.
3. Run error report list
measurements
ds1
UUCSS
summary
Verify that the report is free of errors.
See
Table 3-6 to help interpret the report.
4. Identify active
synchronization
source
status
synchronization
Verify that the designated DS1 circuit pack is the active
sync source.
Note
: The DS1circuit pack is not the sync source; it
simply shows where the sync splitter is connected.
Continued on next page