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Lucent Technologies DDM-2000 OC-12 User Manual

Lucent Technologies DDM-2000 OC-12
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363-206-295
Maintenance Description
9-14 Issue 1 December 1997
Figure 9-4. Maintenance Signaling — Path Switched Ring Applications (Sheet 3 of 4)
DDM-2000
Ring 2
Ring 1
M
A
I
N
B2
DS3
M
A
N
B1
I
OC-12 OC-12
STS-Path AIS*
LOS
or
BER
STS-path AIS*
* The incoming DS3 failure causes insertion of STS path AIS only if the DS3
ring interface has been provisioned for dual ring interworking (DRI)

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Lucent Technologies DDM-2000 OC-12 Specifications

General IconGeneral
BrandLucent Technologies
ModelDDM-2000 OC-12
CategoryMultiplexer
LanguageEnglish

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