Lucent DDM-2000 OC-3 User And Service Manual page 873

363-206-285
Issue 2, February 2000
NOTE:
177A Retainer Cards are used to disconnect the cross-connect wiring
associated with unused service DS1 LOW SPEED slots from the
DDM-2000's internal protection bus.
Remove 177A Retainer Card from the DS1 slot being equipped.
13. Set option switches and install new DS1/DS1PM circuit pack.
Reference: DLP-508
14. STOP. YOU HAVE COMPLETED THIS PROCEDURE.
DDM-2000 OC-3 M
Detailed Level Procedure:
ULTIPLEXER
DLP-520
Page 3 of 4