363-206-285 Detailed Level Procedure: DLP-549
Issue 2, February 2000 Page 4 of 4
DDM-2000 OC-3 MULTIPLEXER
E. The letter "E" displayed in the FE ID display indicates that the SYSCTL
must be replaced.
Get replacement SYSCTL and repeat this procedure from Step 1.
F. The letter "F" displayed in the FE ID display indicates that the SYSCTL
faceplate latch is not fully latched.
Unplug the SYSCTL and repeat this procedure from Step 4. Ensure you
properly seat the faceplate latch when you seat the SYSCTL.
G. A flashing letter "L"displayed in the FE ID display indicates a low voltage
condition (brownout) on the shelf.
Use TAP-121 to clear brownout condition.
8. Find circuit packs with compatible software and repeat this procedure, or
install new software using the procedures of DLP-561.
9. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
10. Retrieve generic software version ID by depressing the ACO button longer
than 2 seconds and observing version code on the FE ID display.
11. Is proper software version installed?
If YES, then STOP. YOU HAVE COMPLETED THIS PROCEDURE.
If NO, then continue with Step 12.
12. Find circuit packs with the correct software and repeat this procedure or install
new software using the procedures of DLP-561.
13. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
TAP-121
DLP-561
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