Issue 3 June 2001 xix
Figures
5-17 OC-1/OC-1 Function Unit Hairpin Ring—
Intra-Function Unit Single Homing 5-26
5-18 OC-1/OC-1 Function Unit Hairpin Ring—
Intra-Function Unit Dual Homing 5-27
5-19 Synchronization Timing Configurations
(Sheet 1 of 2) 5-31
5-20 DS1 Timing Output — Dual Homing Linear 5-36
5-21 Synchronization Reconfiguration — Access Ring 5-38
5-22 Synchronization Reconfiguration — Externally
Timed Access Ring (Sheet 1 of 2) 5-43
5-23 Synchronization Reconfiguration — Access Ring
(Sheet 1 of 3) 5-45
5-24 DS1 Timing Output with Fiber Failure (Sheet 1 of 2 )5-48
5-25 OC-3 and FT-2000 OC-48 Lightwave System Dual
Homing DRI Configuration 5-51
5-26 OC-3 and OC-12 Dual Homing DRI Configuration 5-53
5-27 OC-3 and OC-1 External/Line Timing 5-55
5-28 OC-N Derived DS1 Timing Reference 5-57
5-29 Timing from Multiplexed DS1 5-59
6 Operations Interfaces
6-1 Craft Interface Terminal Connectors 6-4
6-2 Craft Interface Terminal Login Sessions 6-5
6-3 User Panel for Group 4 Shelf 6-9
6-4 Miscellaneous Discretes 6-17
7 Circuit Pack Descriptions
7-1 BBG8/BBG8B SYSCTL Circuit Pack 7-3
7-2 BBG8/BBG8B SYSCTL Circuit Pack Block Diagram7-5
7-3 BBG8/BBG8B SYSCTL Option Switches 7-8
7-4 BBG9 OHCTL Circuit Pack 7-11
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