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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
3-29Synchronization Installation and Testing
3
4. Continue Press the button under “RLB.”
Test Started displays. The 316X is now in
RLB loopback.
5. Test the circuit
pack
test board
UUCSS
If any one of Test 138 through 145 fails, follow
the repair procedures listed in DEFINITY ECS
Maintenance for R8r.
6. Run error
report
list
measurements
ds1 summary
UUCSS
Wait 15 minute, then verify that the DS1 circuit
pack is free of any errors.
Use Table 3-6
to interpret the periodic list
measurements report.
7. Terminate the
RLB loopback
test
Press the double-up arrow button.
8. Go through the
readout steps
Press the button under “test.”
9. Continue Press the button under “lpbk.”
10. Continue Press the button under “abort.”
11. Continue Press the button under “all.”
If all tests pass, and the splitter, cabling, and
316X CSU or DSU/CSU are working properly.
12. Return
DSU/CSU to
service
Press the double-up arrow.
13. Go through the
readout steps
Press the right-arrow button until “Cntrl”
displays.
14. Continue Press the button under “Cntrl.”
15. Continue Press the button under “LED.”
16. Continue Press the button under the word PRT1, PRT2,
PRT3 or PRT4 as required.
17. Verify that the
DSU/CSU is in
normal
operating
mode.
Press the double-up arrow once, then press
the F1 button twice.
ESF CSU
OPERATIONAL
displays.
Table 3-15. RLB loopback testing for the 316X DSU/CSU — Continued
√ Step Action Command Description
Continued on next page