Lucent Technologies DDM-2000 OC-12 User Manual

363-206-295
Circuit Pack Descriptions
7-58 Issue 1 December 1997
Figure 7-24. 21G/21G-U/21G2-U OLIU Circuit Pack Block Diagram
Byte Interleaves
SONET
From
(Service &
OHCTL CP
TSI CPs
OC-3
OC-3
STS-1 #3
STS-1 #2
STS-1 #1
Overhead
Timing
-48V B
-48V A
Control
Intrashelf
SYSCTL
To/From
-48V Fuses
Shelf
From
To/From
Protection)
Rx Fiber
Tx Fiber
Processes
Disinterleaves a
3 STS-1s
STS-3 into
Byte
OH
Section and Line
to STS-3
Converts OC-3
Demultiplexer
into OC-3
Converts STS-3
Bytes of STS-1 #1
and Line OH
Write Section
a STS-3
3 STS-1s into
Multiplexer
STS-1 #3
STS-1 #2
STS-1 #1
STS-1 #3
STS-1 #2
STS-1 #1
Processors
Pointer
TSI CPs
STS-1
STS-1
Protection)
(Service &
To/From
STS-1
Routing
STS-1

Lucent Technologies DDM-2000 OC-12 Specifications

General

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