Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285
Circuit Pack Descriptions
Issue 3 June 2001
7-77
Figure 7-30. BBG6 STS1E Circuit Pack Block Diagram
Receiver
Hybrid
Protection
Relays
Driver
LBO
Intrashelf
STS-1
To / Fr o m
From
Shelf
-48V Fuses
-48V A
-48V B
Timing
Loopback
To / Fr o m
Companion CP
To / Fr o m
EC-1
Protection)
TGS CPs
(Service &
Protection)
STSX-1
Timing
7 OF 8
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
VT-G
+5V PWR
VT-G to STS-1
Multiplexer
STS-1 to VT-G
Demultiplexer
Protection
Switch
Selector
Adds STS-1
Removes STS-1
Path Overhead
Path Overhead
SYSCTL
To / Fr o m
Pointer
Processor
STS-1
(P)
STS-1
To / Fr o m
SONET
Transport
OH
To / Fr o m
OHCTL
Control
Circuit
EC-1
EC-1
Terminal
(Service And
Packs
#1
#2
#3
#4
#5
#6
#7
#8
DS1 CPs
To / Fr o m
To DS1
Main
High-Speed
Low-Speed
Selector
Adds STS-1
Transport Overhead
(Removes STS-1
Transport Overhead)
High-Speed
Mode
Low-Speed
Mode
Note
VT
Pointer
Processing
and
STS Path
Overhead
Processing
Note: Applicable in the low-speed mode with VT cross-connects.

Lucent Technologies DDM-2000 OC-3 Specifications

General

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