363-206-285 Trouble Clearing: TAP-121
Issue 2, February 2000 Page 2 of 2
DDM-2000 OC-3 MULTIPLEXER
9. Trouble in frame ground or battery return. Frame ground and battery return
should be at about the same potential (traceable to the same source). Find
and correct problem.
10. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
11.
NOTE:
Unseating and reseating SYSCTL circuit pack performs a reset
procedure which restarts the software program.
Unseat and reseat SYSCTL circuit pack or use reset command. Do not
press UPD/INIT pushbutton.
12. Is trouble cleared?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 13.
13. !
CAUTION:
Replacing the
SYSCTL
involves updating the internal memory on the
circuit pack.
Replace the SYSCTL (DLP-501).
14. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
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