363-206-305
Administration and Provisioning
8-30
Issue 3 June 2000
Locked Cross-Connection
8
A variation of ring cross-connections, the locked cross-connection, is supported at
the VT1.5 level to lock the path selector to a specified rotation of the ring where an
external path selector is used. In this cross-connection, a DS1 or VT1.5 signal
from the low-speed interface is cross-connected to the specified VT1.5 channel in
the high-speed interface in the specified direction (Table 8-12 and Table 8-13).
Any signal received in the VT1.5 channel from the other rotation of the ring is
ignored.
Table 8-12. DDM-2000 FiberReach Manual VT1.5 Cross Connections
(Locked) in a 1 x 1 Configuration
Notes
1.Both main units must always be equipped with OC-3 or OC-12
OLIUs.
From To
Example
CommandsAddress OLIU Address
CP Type
(Notes)
m-1-{1-7}-{1-4,all} OC-1 <--> a-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,a-1-1,
cct=locked,ring={m1,m2}
m-1-{1-7}-{1-4,all} OC-1 <--> b-1-{1-4,all} DS1 ent-crs-vt1:m-1-3-4,b-1-4,
cct=locked,ring={m1,m2}
m-1-{1-7}-{1-4,all} OC-1 <--> c-1-{1-4,all} DS1 ent-crs-vt1:m-1-3-3,c-1-3,
cct=locked,ring={m1,m2}
m-1-{1-7}-{1-4,all} OC-1 <--> d-1-{1-4,all} DS1 ent-crs-vt1:m-1-3-3,d-1-3,
cct=locked,ring={m1,m2}
m-{1-3}-{1-7}-{1-4,all} OC-3 <--> a-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,a-1-2,
cct=locked,ring={m1,m2}
m-{1-3}-{1-7}-{1-4,all} OC-3 <--> b-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,b-1-2,
cct=locked,ring={m1,m2}
m-{1-3}-{1-7}-{1-4,all} OC-3 <--> c-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,c-1-2,
cct=locked,ring={m1,m2}
m-{1-3}-{1-7}-{1-4,all} OC-3 <--> d-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,d-1-2,
cct=locked,ring={m1,m2}
m-{1-12}-{1-7}-{1-4,all} OC-12 <--> a-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,a-1-2,
cct=locked,ring={m1,m2}
m-{1-12}-{1-7}-{1-4,all} OC-12 <--> b-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,b-1-2,
cct=locked,ring={m1,m2}
m-{1-12}-{1-7}-{1-4,all} OC-12 <--> c-1-{1-4,all} DS1 ent-crs-vt1:m-1-1-1,c-1-2,
cct=locked,ring={m1,m2}
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