363-206-305 Detailed Level Procedure:
DLP-510
Issue 3, June 2000 Page 7 of 8
DDM-2000 F
IBER
R
EACH
W
IDEBAND
S
HELF
33. Repeat this procedure from Step 22 for any additional DS1 circuits to be
tested.
34. Use the rtrv-sync and switch-sync:s=
mode
:pri=reset commands to
verify/switch timing mode back to
LoopTimed
.
35. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
36. Check for line code (AMI/B8ZS) mismatch at near end and far end. If mismatch
is found, set line code [DLP-513] to correct value and repeat this test. If no
trouble is found, continue with the next step.
37. In some releases, if dlc=yes as set by the set-t1 command, loopbacks are
not recognized (loopback not recognized) in this test. Use rtrv-t1
command to check if dlc=yes.
38. Is dlc set to yes?
If YES, continue with Step 39.
If NO, proceed to Step 40.
39. Use set-t1 command to temporarily set dlc=no and repeat this test. If the
test fails again, continue with the next step.
40. Has the DS1, DS1PM, or T1EXT circuit pack that failed the test been
replaced?
If YES, proceed to Step 43.
If NO, continue with Step 41.
41. Replace the DS1, DS1PM, or T1EXT circuit pack that failed the test.
Reference: DLP-523
42. Repeat this procedure for the DS1, DS1PM, or T1EXT circuit pack that failed.
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