Contents
Issue 3 June 2000
3-i
3
Shelf Descriptions and
Configurations
Overview
3-1
DDM-2000 FiberReach Wideband Shelf
3-1
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DDM-2000 FiberReach Multiplexer Carrier Assembly 3-9
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DDM-2000 FiberReach Wall-Mount Distant Terminal 3-10
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Wideband Shelf Plug-Ins 3-14
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Lightning and Surge Secondary Protection Assembly for T1
Extensions and HDSL 3-15
Shelf Configuration
3-16
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DS1 Services Only 3-17
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T1 Extensions Only 3-19
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T1 Extensions and DS1 Service 3-22
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HDSL Services 3-25
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DS3 and DS1 Services 3-26
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DS3 Interface (BBG4/BBG4B) 3-26
Data Services Interface
3-28
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STS-3c 0 X1 Application 3-30
DDM-2000 FiberReach Narrowband Shelf
3-31
Secured-Area Telecommunication Applications
Cabinet (STAC) System
3-37
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Construction 3-38
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Reliability 3-383-38
3-38
3-37
3-31
3-30
3-28
3-26
3-26
3-25
3-22
3-19
3-17
3-16
3-15
3-14
3-10
3-9
3-1
3-1