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Lucent Technologies DDM-2000 OC-3 Installation Manual

Lucent Technologies DDM-2000 OC-3
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10-24
Issue 9 October 1998
363-206-204
Operational Tests
Notes
:
1. The output common must be wired to an external ground for miscellaneous (environmen-
tal) outputs #1-10.
2. Miscellaneous (environmental) alarm input #14 (terminal 6 on J62) is typically wired to
DDM-2000 OC-3 fan shelf in non-NEBs environment (noncabinet where air inlet temper-
ature exceeds 50 degrees Celsius) applications where the fan shelf is required.
Figure 10-3. 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

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Lucent Technologies DDM-2000 OC-3 Specifications

General IconGeneral
BrandLucent Technologies
ModelDDM-2000 OC-3
CategoryMultiplexer
LanguageEnglish

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