363-206-305
Applications
2-16
Issue 3 June 2000
Single Homing to Linear DDM-2000 OC-3
Networks
2
In business applications where the DDM-2000 OC-3 host is a node on a linear
topology, two single-homed OC-1 ring extensions can be provided to multiple
DDM-2000 FiberReach Multiplexers (see Figure 2-9). In this tapered linear
application configuration, function slot "C" of the DDM-2000 OC-3 host is used for
incoming traffic, and the "A" and "B" slots are used for downstream traffic or local
terminations. The host DDM-2000 OC-3 Multiplexer must be using software
Release 9.0 or later. The other DDM-2000 OC-3 Multiplexers in the linear
application must be using Release 8.0 software.
Figure 2-9. Single-Homed OC-1 Ring to a DDM-2000 OC-3 Linear Application
R
OC-3
OC-3
OC-3
OC-1
OC-1
R8.0
R8.0
R9.0
DDM-2000/
MAIN 1 MAIN 2
DDM-2000/
SLC
-2000
DDM-2000/
SLC
-2000
DDM-2000
FiberReach
Wideband Shelf
DDM-2000
FiberReach
Wideband Shelf
Access System Access System
R8.0
DDM-2000/
SLC
-2000
Access System
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