Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285
Applications
2-8 Issue 3 June 2001
A DDM-2000 OC-3 Multiplexer VT1.5/STS-1 path switched ring is a very effective
self-healing network topology for small cross-section interoffice networks such as
outstate trunks. Low-density routes that primarily transport DS1 traffic are ideally
suited to the DDM-2000 OC-3 Multiplexer path switched ring. DS3s/EC-1s may
also be carried between offices on DDM-2000 OC-3 Multiplexers (Figure 2-3).
Figure 2-3. DDM-2000 OC-3 Path Switched Interoffice Ring
VT1.5/STS-1 TSI
Central Office
DDM-2000
Central Office Central Office
Central Office
DDM-2000
DDM-2000
DDM-2000
R
5ESS Switch
OC-3
OC-3
OC-3
OC-3OC-3
OC-3
OC-3
OC-3
DS1, DS3, EC-1, OC-3
DS1, DS3, EC-1, OC-3
DS1, DS3, EC-1, OC-3
DS1, DS3, EC-1, OC-3
TO: DACS IV-2000
R
5ESS Switch
TO: DACS IV-2000
R
5ESS Switch
TO: DACS IV-2000
R
5ESS Switch
TO: DACS IV-2000

Lucent Technologies DDM-2000 OC-3 Specifications

General

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