Lucent Technologies DDM-2000 OC-3 Installation Manual

363-206-204
Equipment and Front Access Cable Installation
Issue 9 October 1998
3-45
Notes
:
1. The output common must be wired to an external ground for miscellaneous
(environmental) outputs #1-10.
2. Miscellaneous (environmental) alarm input #14 (terminal 6 on J262) is typically
wired to DDM-2000 OC-3 fan shelf in non-NEBS environment (noncabinet where
air inlet temperature exceeds 50 degrees Celsius) applications where the fan shelf
is required.
Figure 3-11. Miscellaneous (Environmental) Discrete Functions (Releases 8, 9,
11 and 13).
1
2
3
4
5
6
7
8
9
15
16
21
1
2
3
4
1
2
3
4
5
6
7
8
9
#2
#3
#4
#1
10
External Minor
Parallel Telemetry
Alarm/Status Points
TBOS or TL1/X.25
Misc. Control Inputs
Misc. Alarm/Status Outputs
From
Discrete
Telemetry
Equipment
From
DDM-2000
Fan Shelf
Fan Shelf
Alarm
Common
Central Office
Remote Terminal
Misc. Alarm/Status Inputs
Input Common
-48V External Minor
-48V Power Minor
Fan Control Output
Fan Unit
(cabinet)
Misc. Control Outputs
Output
Common

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English