Contents
Issue 3 June 2000
5-i
5
Transmission and
Synchronization
Overview
5-1
Transmission Interfaces
5-1
■
DS1 Transmission Interface 5-1
■
OC-1/OC-3/OC-12 Transmission Interface 5-1
■
T1 Transmission Interface 5-2
Transmission and Architecture
5-2
■
Wideband Shelf Interfaces and Multiplexing 5-2
■
Wideband Shelf Protection Architectures 5-4
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Narrowband Shelf Interfaces and Multiplexing 5-4
■
Wideband and Narrowband Shelf Integration 5-6
Synchronization
5-7
■
Manual Timing Pack Switch 5-7
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Subnetwork Configurations 5-7
Free Running/Line Timing 5-7
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External Timing/Line Timing Configuration 5-9
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Line Timing/Line Timing Configuration 5-11
■
Timing Distribution 5-12
Synchronization Messaging
5-14
■
Applications 5-14
Automatic Synchronization Reconfiguration 5-14
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Synchronization Provisioning Integrity 5-15
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Feature Details and Options 5-15
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Examples 5-175-17
5-15
5-15
5-14
5-14
5-14
5-12
5-11
5-9
5-7
5-7
5-7
5-7
5-6
5-4
5-4
5-2
5-2
5-2
5-1
5-1
5-1
5-1