NTP-015: Circuit Order 363-206-285
Page 1 of 6 Issue 2, February 2000
DDM-2000 OC-3 MULTIPLEXER
Add New Optical Span
Span Added as Extension
Between DDM-2000 OC-3 Rings
DO ITEMS BELOW IN ORDER LISTED. . . . . FOR DETAILS, GO TO
1.
!
CAUTION:
DDM-2000 circuit packs contain static sensitive components
which can be damaged by electrostatic discharge. A static
ground wrist strap must be worn when handling the circuit
packs. See electrostatic discharge considerations in
Trouble
Clearing: TAD-100
.
NOTE:
This procedure assumes that the DDM-2000 is in service
and a new optical span are being added. See Figure 1.
NOTE:
If the DDM-2000 fails to respond in the indicated manner,
refer to Trouble Clearing: IXL-001.
Use rtrv-alm command to verify that no alarms, locks, loops, or
switches are present.
2. Notify maintenance center that alarms will be generated.
TAD-100
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