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Lucent Technologies DDM-2000 OC-3 User Manual

Lucent Technologies DDM-2000 OC-3
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363-206-285
Applications
Issue 3 June 2001
2-11
Alternatively, a DDM-2000 OC-3 Multiplexer can be equipped with OC-12 optics.
This option offers a cost effective solution at locations where the dropped traffic is
primarily VT1.5 based and is accessed from any three of the 12 STS-1s. OC-12
and OC-3 multiplexers equipped with OC-12 optics can be mixed in the same OC-
12 ring. The OC-12 multiplexers can be used at sites requiring DS3 and other
higher bandwidth STS path-switched traffic, while the OC-3 multiplexer is used at
sites requiring VT path access for DS1, FiberReach, etc. Figure 2-6 shows an
OC-12 ring that includes both OC-3 and OC-12 multiplexers.
Figure 2-6. OC-12 VT Path Switched Ring Using DDM-2000 OC-3 Multiplexer
With OC-12 Optics
Alternatively, a DDM-2000 FiberReach can be equipped with OC-12 optics. This
option offers a cost effective solution at locations where the dropped traffic is
DS1 DS1T1 T1
CO
DS1
T1
DS1
T1
OC-12
OC-12
OC-12 OC-12
DS1 T1
DDM-2000
OC-3/12
DDM-2000
OC-3/12
DDM-2000
OC-3/12
DDM-2000
OC-3/12
DDM-2000
OC-3/12
DDM-2000
FiberReach
OC-1

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Lucent Technologies DDM-2000 OC-3 Specifications

General IconGeneral
BrandLucent Technologies
ModelDDM-2000 OC-3
CategoryMultiplexer
LanguageEnglish

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