363-206-305
Administration and Provisioning
8-46
Issue 3 June 2000
OC-1 Ring Hairpin Routing, Single-Homed
Example
8
In Figure 8-5, Node Host is a DDM-2000 OC-3 shelf equipped with
27-type OLIU circuit packs in Function Unit A slots, and 22-type OLIU
circuit packs in the Main slots. Node RT-B is a DDM-2000 FiberReach
Multiplexer with 26G2-type OLIU circuit packs in Main and DS1 or DS1PM
circuit packs in the Low-Speed Group A slots, and it is included in the inner
OC-1 ring.
Figure 8-5. Example of an OC-1 Ring Hairpin Routing, Single-Homed Configuration
Node RT-A is a DDM-2000 FiberReach Multiplexer with 26G2-type OLIU
circuit packs in Main and DS1 or DS1PM circuit packs in the Low-Speed
Group B slots, and it is included in the outer OC-1 ring.
c-2c-1b-2b-1a-2a-1
OC-3 HOST
MAIN 1
MAIN 2
1
2
FiberReach
FiberReach
DS1
DS1
RT-B
RT-A
ent-crs-vt1: m-1-7-4, a-1-1:cct=twoway
ent-crs-vt1:m-1-4-1, b-1-3: cct=twoway
ent-crs-vt1: a-1-7-4, a=2-4-1: cct=twoway
100048-2
OC-3
OC-1
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