363-206-285 Detailed Level Procedure: DLP-501
Issue 2, February 2000 Page 5 of 8
DDM-2000 OC-3 MULTIPLEXER
D. Letter "d" in FE ID Display:
Indicates OHCTL has no software or that software in OHCTL and
SYSCTL is incompatible.
Find circuit packs with compatible software and repeat this procedure, or
install new software using the procedures of DLP-532.
E. Letter "C" in FE ID Display:
Indicates software is installed in OHCTL and SYSCTL, but it will not
support the current shelf provisioning.
Proceed to Step 11.
F. Letter "U" in FE ID Display:
Indicates SYSCTL Switch S1 is not set properly for type of shelf being
equipped.
Remove SYSCTL. Correct switch settings and repeat this procedure.
G. Letter "E" in FE ID Display:
Indicates SYSCTL must be replaced.
Get replacement SYSCTL and repeat this procedure.
H. Letter "F" in FE ID Display:
Indicates SYSCTL faceplate latch is not fully seated. Unplug SYSCTL
and repeat this procedure properly seating the faceplate latch.
I. Flashing Letter "L" in FE ID Display:
Indicates a low voltage condition (brownout) on the shelf.
Clear trouble using Trouble Clearing: TAP-121.
DLP-532
TAP-121
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