Lucent Technologies DDM-2000 OC-3 User Manual

363-206-285
Maintenance Description
9-22 Issue 3 June 2001
Figure 9-11. Maintenance Signaling STS Ring Application — Unequipped
Ring 1
Ring 2
M
A
I
N
1
M
A
I
N
2
Ring 2
Ring 1
M
A
I
N
1
M
A
I
N
2
M
A
I
N
1
M
A
I
N
2
M
A
I
N
1
M
A
I
N
2
STS-Path Yellow
STS Unequipped
STS Unequipped
DS3
DDM-2000
OC-3
STS Yellow
*
STS Unequipped
DDM-2000
OC-3
DDM-2000
OC-3
STS Unequipped
*
*
STS Unequipped
VT Unequipped
VT Yellow*
DS1
VT Unequipped
VT Unequipped
DDM-2000
OC-3
VT Unequipped*
OC-N
EC-1
VT Unequipped
These signals are sent on pass through or continue paths
* These signals are sent only when the failed STS path
is selected.
†
†
†
†
†
OC-N‡
AIS
OC-N‡
OC-N‡
Undefined
‡
N is 1 or 3
OC-N‡ OC-N‡
OC-N‡
OC-N‡
DS3 AIS*
OC-N‡

Lucent Technologies DDM-2000 OC-3 Specifications

General

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