Lucent Technologies DDM-2000 OC-12 Installation Manual

 Issue 5 November 2000
363-206-208
Powering, Verification, and Circuit Pack Installation for the DDM-2000 OC-12 Multiplexer
Lucent Technologies - Proprietary
See Notice on first page
NOTE:
If office alarms are connected, it is advisable to disconnect them while perform-
ing this section to prevent spurious alarms from being reported.
Tools, Test Sets, and Accessories
The following is required:
Powering and Verification
Shelf Power Description
The 48 V DC power feeders connect to the shelf’s user panel and, after fusing, through
the backplane to the circuit packs.
Procedure
(1) Verify that the frame or structure into which the DDM-2000 OC-12 shelf is
installed is properly grounded.
(2) Verify that the DDM-2000 OC-12 shelf is properly grounded to the frame or
structure.
(3) Verify that a 10 ampere fuse is installed in the DDM-2000 OC-12 user panel for
each feeder.
(4) Refer to Figure 5-1 on page 5-15 and disconnect the power cable from the back-
plane cable (P1 from J1 and P2 from J2).
Quantity Description
1 Multimeter
*
* The voltmeter must be capable of measuring DC voltage in the 40 to 60 volt range.
1Wrist Strap
†
† A wrist strap must be worn when touching the DDM-2000 OC-12 backplane and
when connecting cables. Use the electrostatic discharge jack on the user panel.
1 Personal Computer
‡
‡ Software download requires an MS-DOS compatible personal computer (PC) and an
EIA-232 interface cable.
1 EIA-232 cable (35 pin)
‡

Lucent Technologies DDM-2000 OC-12 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-12
Category	Multiplexer
Language	English