Lucent DDM-2000 OC-3 User And Service Manual page 133

NTP-010
: Circuit Order
Page 1 of 8
Convert DS3 Group Service to DS1 MXRVO Group
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 .
Determine which DS3 group is to be converted.
2.
NOTE:
The following operation will activate the office major (critical)
alarm. The audible alarm may be suppressed by depressing
the ACO button.
Remove service (signal) from the DS3 group being discontinued.
(FAULT LED flashes on DS3/DS3PM circuit packs with signal
removed.)
3. Momentarily depress UPD/INIT button on the SYSCTL to update
the DDM-2000 internal equipment list.
Service
DDM-2000 OC-3 M
Issue 2, February 2000
ULTIPLEXER
363-206-285