Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285
Maintenance Description
Issue 3 June 2001
9-17
Figure 9-6. OC-3 or EC-1 Line Maintenance Signaling — Non-Ring Interfaces
DDM-2000DDM-2000
LOS LOF
DDM-2000DDM-2000
DDM-2000 OC-3
OC-3
OC-3
OC-3
OC-3
Line FERFLine FERF
STS LOP Line AIS
Line FERF
Line FERF
STS-Path Yellow* STS-Path Yellow*
STS-Path Yellow*
STS-Path AIS
VT-Path AIS*
STS-Path AIS
VT-Path AIS*
STS-Path AIS
VT-Path AIS*
STS-Path AIS
VT-Path AIS*
STS-Path Yellow*
OC-3
or EC-1
OC-3
or EC-1
OC-3
or EC-1
OC-3
or EC-1
OC-3
or EC-1
provisioned for the VT-1.5 cross-connect mode.
* VT-Path AIS and STS-Path Yellow are sent when shelf is equipped with 22F OLIU or STS1E

Lucent Technologies DDM-2000 OC-3 Specifications

General

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