Tab le of Conten ts
Issue 3 June 2001 3-i
3
Shelf Descriptions and
Configurations
Overview 3-1
DDM-2000 OC-3 Multiplexer Shelf 3-1
DDM-2000 OC-3 Shelf Capacity 3-8
Shelf Configurations 3-9
OC-3 Ring Shelf 3-12
OC-3 Dual Ring Interworking (DRI) Shelf 3-13
OC-3 Ring Shelf with Optical Extension 3-14
OC-3 VT/STS Hairpin Shelf 3-15
DS3DataServicesinOC-3Shelf 3-16
OC-3 Dual Homing Shelf 3-17
OC-3 DDM-2000 FiberReach Host Shelf 3-18
OC-3 FiberReach Host Shelf - Enhanced Routing 3-20
OC-3 FiberReach Host Shelf - Enhanced Routing with
26G2-U OLIU 3-21
LAN Interface 3-22
HDSL Interface 3-23
Transmultiplexer 3-24
DDM-2000 Fan Shelf 3-25