Lucent Technologies DDM-2000 OC-3, User & Service Manual

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363-206-285
Administration and Provisioning
8-60 Issue 3 June 2001
OC-3/OC-1 Ring Network Cross-Connection
Example
8
The following paragraphs describe a ring network example configuration and
describe how to create manual cross-connections to establish the ring network.
Figure 8-7 shows the five nodes with dashed lines indicating the cross-
connections.
Figure 8-7. Example OC-1 Ring Configuration Cross-Connections
MAIN 1 MAIN 2
IN
DS1
a-2-3 to m-1-2-3
where:
a-2-3 = address of DS1 port 3,
circuit pack 2 in group A
m-1-2-3 = address of STS #1,
VTG #2, VT #3
MAIN 2 MAIN 1
IN
OUT
DS1
m-1-2-3 to m-1-2-3
pass through connection
m-1-2-3 to m-1-2-3 pass through connection
m-1-2-3 to m-1-2-3 pass through connection
Ring 1
Ring 2
IN
OUT
IN
OUT
IN
OUT
DDM-2000 OC-3
Node 1
DDM-2000 FiberReach
Node 4
DDM-2000 FiberReach
Node 3
DDM-2000 FiberReach
Node 5
m-1 m-1
m-1 m-1
DDM-2000 FiberReach
Node 2
m-2
m-2
m-2
m-2
a-1-1 to m-1-2-3
where:
a-1-1 = address of DS1 port 1,
in group A
m-1-2-3 = address of STS #1,
VTG #2, VT #3
OC-1 RING
LS-A LS-B
LS-C LS-D
MAIN 2 MAIN 1
m-1
m-1
m-1
m-1
LS-A LS-B LS-C LS-D
MAIN 2
MAIN 1
m-1 m-1
m-1 m-1
LS-A
LS-B
LS-C
LS-D
IN
OUT
MAIN 1
MAIN 2
m-1 m-1
m-1 m-1
LS-A
LS-B
LS-C
LS-D
FN-A FN-B FN-C
m-1
m-1
m-1
m-1
OUT
IN
OUT
IN
OUT
IN
OUT
IN
OUT