xviii Issue 3 June 2001
Figures
4-2 Circuit Pack Power and LED Control 4-5
4-3 Typical -48 Volt Power Supply for DDM-2000
OC-3 Multiplexer Single Shelf 4-6
5 Transmission and Synchronization Interfaces
5-1 DDM-2000 OC-3 Multiplexer Block
Diagram — Terminal 5-3
5-2 DDM-2000 OC-3 Multiplexer Block
Diagram — STS-1 Drop 5-5
5-3 DDM-2000 OC-3 Multiplexer Block
Diagram — Hubbing 5-6
5-4 DDM-2000 OC-3 Multiplexer Block
Diagram — DS1/DS3/EC-1 Add/Drop,
and VT1.5/STS-1 Path Switched Ring 5-8
5-5 DDM-2000 OC-3 Multiplexer with OC-12 Optics
Block Diagram 5-9
5-6 DDM-2000 OC-3 Multiplexer Block
Diagram — DDM-2000 FiberReach
Host — Single Homing 5-11
5-7 DDM-2000 OC-3 Multiplexer Block
Diagram—FiberReach Stand-Alone
Host Configuration 5-13
5-8 Single Homing with 27G-U Dual OC-1 OLIUs 5-15
5-9 OC-3/OC-12 Ring (0x1) Single Homing 5-17
5-10 OC-3/OC-12 Ring (0x1) Dual Homing 5-18
5-11 DS3DataServicesonanOC-3Ring 5-19
5-12 OC-3/OC-1 Ring (0x1) Single Homing 5-21
5-13 OC-3/OC-1 Ring (0x1) Dual Homing 5-22
5-14 OC-1 Ring Function Unit Pass-Through 5-23
5-15 OC-1/OC-1 Function Unit Hairpin Ring—
Inter-Function Unit Single Homing 5-24
5-16 OC-1/OC-1 Function Unit Hairpin Ring—
Inter-Function Unit Dual Homing 5-25