Alcatel-Lucent 1677 SONET Link Manual page 200

DLP-125
Observe output. Note value of TOTAL, FREE, and PST. If disk is unmounted, those
174
parameters should have the following values:
PST=OOS-MA
TOTAL=0
FREE=0
Did output indicate disks are unmounted?
175
Enter
176
Unseat standby TC in slot 11A.
177
Are errors reported?
178
Refer to 1677 SONET Link Maintenance and Trouble Clearing manual
179
(PN 3EM13853AF) to determine source of error before going to next step.
Reset test set error count to zero and monitor for 10 seconds.
180
Are errors reported?
181
Is a BITS clock splitter being used?
182
Disconnect timing source at A IN on front panel of TCs in slots 11A and 11B. Refer to
183
1677 SONET Link Engineering Support Documentation (PN 3EM17362AD) and see
drawing 3EM171590004RJZZA for information.
Go to step 186.
184
Disconnect BITS-0 source (J501) below shelf. See figure 125-1.
185
4-156
If yes, go to step 176.
If no, go to step 333.
to logically remove standby TC.
RMV-EQPT::TC-11-A;
If yes, go to step 179.
If no, record information in CKL-115, then go to step 185.
If yes, go to step 179.
If no, record information in CKL-115, go to step 185.
If yes, go to step 185.
If no, go to step 183.
Issue 01, September 2007
Verify Clock and Control Subsystem Switching
3EM13850AD