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3EM13853AF
Issue 01, September 2007
DLP-136
Replace STS Switch Card (SSC)
PURPOSE
This procedure provides instructions to replace the SSC.
GENERAL
For information on TL1 command syntax, refer to the 1677 SONET Link Commands and Messages
manual (PN 3EM13852AF).
RECOMMENDED TOOLS
Phillips screwdriver, #2 × 6-inch
STEP
PROCEDURE
1
DANGER: Possibility of personal injury. Cards can be installed or removed with rack
power on. Hazardous electrical potentials are present; use extreme care when
installing or removing cards with power on.
WARNING: Possibility of equipment damage. This equipment contains static-
2
sensitive devices. Refer to
Is an SSC card present in both slots 7 and 8?
3
Enter
4
Enter
5
Observe output. Note states of modules.
6
Is state of both SSC modules IS?
7
Enter
8
Observe output.
9
Replace STS Switch Card (SSC)
If yes, go to step 4.
If no, go to step 42.
to retrieve state of SSC.
RTRV-EQPT::SWC-7;
to retrieve state of other SSC.
RTRV-EQPT::SWC-8;
If yes, go to step 8.
If no, go to step 42.
to retrieve equipment alarms.
RTRV-ALM-EQPT;
Introduction
for special handling instructions.
DLP-136
5-71
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