xxxii
Issue 3 June 2000
Figures
4-6 DDM-2000 FiberReach Multiplexer —
Other Power Options 4-8
4-7 Wall DT Powering (Power Supply for WB and
Power Supply for NB) 4-9
4-8 AUA413 and AUA423 Ringing Generator Units 4-11
4-9 Circuit Pack Power and LED Control 4-13
4-10 Typical -48 Volt Power Supply for DDM-2000
FiberReach Multiplexer Single Shelf 4-14
5 Transmission and Synchronization
5-1 DDM-2000 FiberReach Wideband Shelf Block
Diagram 5-3
5-2 DDM-2000 FiberReach Multiplexer Narrowband
Architecture (Octet Mode Shown) 5-5
5-3 Free Running/Line Timing Synchronization in a
Ring Configuration 5-8
5-4 External Timing in a Ring Configuration 5-10
5-5 Line Timing in a Ring Configuration 5-11
5-6 Timing from a Multiplexed DS1 5-13
5-7 Synchronization Failure and Reconfiguration 5-15
5-8 Synchronization Reconfiguration — Access
Ring (Sheet 1 of 3) 5-18
6 Operations Interfaces
6-1 CIT Connectors (Direct Interface to CIT) 6-3
6-2 CIT Connectors (Modem Interface to CIT) 6-4
6-3 CIT Login Sessions 6-5
6-4 FiberReach Multiplexer User Panel 6-9
6-5 Miscellaneous Discretes 6-17
6-17
6-9
6-5
6-4
6-3
5-18
5-15
5-13
5-11
5-10
5-8
5-5
5-3
4-14
4-13
4-11
4-9
4-8
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