Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285
Transmission and Synchronization Interfaces
5-8 Issue 3 June 2001
Figure 5-4. DDM-2000 OC-3 Multiplexer Block Diagram — DS1/DS3/EC-1 Add/Drop, and
VT1.5/STS-1 Path Switched Ring
Low Speed
8(P)
7
6
5
4
3
2
1
DS1
VT-G
Function
Unit
2(P)
1
STS-1
MXRVO
DS3
DS1
Function
Unit
2(P)
1
STS-1
STS-1
3
1
2(P)
OC-3
OC-3
Receive
Clocks to
the TGs
1
2(P)
Function
Unit
Main
1
2(P)
DS1
DS1
DS1
DS1
Reference
Outputs
Intrashelf
Timing to Main
and Function
Unit Slots
Timing
Control
SYSCTL OHCTL
TG
DS1
28
DS3
OLIU
(Note 1)
OLIU
(Note 1)
Note:
External
Reference
Inputs
Receive
Clocks from
OLIUs
OC-3 or OC-12
OC-3 or OC-12
1. 22- or 24-type OLIU

Lucent Technologies DDM-2000 OC-3 Specifications

General

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