Issue 3 June 2001 xvii
Figures
2-45 DS1 Path Performance Monitoring for Tariff
Verification 2-67
2-46 DS3 Transmultiplexer Application 2-68
2-47 HDSL Application 2-70
3 Shelf Descriptions and Configurations
3-1 DDM-2000 OC-3 Group 4 Shelf — Front View 3-3
3-2 DDM-2000 OC-3 Shelf — Rear View 3-3
3-3 DDM-2000 OC-3 Multiplexer Front Panel 3-7
3-4 DDM-2000 OC-3 Ring Shelf 3-12
3-5 DDM-2000 OC-3 DRI Shelf 3-13
3-6 DDM-2000 OC-3 Ring Shelf With an Optical
Extension 3-14
3-7 DDM-2000 OC-3 VT/STS Hairpin Shelf 3-15
3-8 DS3 Data Services in OC-3 Shelf 3-16
3-9 DDM-2000 OC-3 Dual Homing Shelf 3-17
3-10 OC-3 DDM-2000 FiberReach Host Shelf 3-19
3-11 OC-3 DDM-2000 FiberReach Host Shelf -
Enhanced Routing Topologies 3-20
3-12 OC-3 DDM-2000 FiberReach Host Shelf -
Enhanced Routing with 26G2-U OLIU 3-21
3-13 OC-3/OC-12 Shelf with LAN Interface 3-22
3-14 OC-3/OC-12 Shelf with HDSL Interface 3-23
3-15 OC-3/OC-12 Shelf with Transmultiplexers 3-24
3-16 DDM-2000 Fan Shelf 3-25
3-17 DDM-2000 Fan Shelf — Fan Switches — Front
Cover Removed 3-26
4Power
4-1 DDM-2000 OC-3 Power Architecture 4-2