363-206-295
Administration and Provisioning
Issue 1
December 1997
8-29
Figure 8-3.
Example Dual Ring Configuration Cross-Connections
A
B
C
D
A
B
C
D
A
B
C
D
RT 2
A
B
C
D
EC-1
A
B
C
D
A
B
C
D
EC-1
AB
C
D
RT 1
AB
C
D
CO 5
A
BC
D
RT 3
AB
C
D
CO 3
DS3
DS3
Ring 1
Ring 2
Ring 1
Ring 2
Ring 1
Ring 2
Ring 2
Ring 1
CO 1
CO 2
ent-crs-sts1:mb-7,c-2:cct=dc,ring=mb1
mb-7 = address of STS-1 #7 in MAIN OLIU
ent-crs-sts1:mb-7,c-2:cct=dc,ring=mb1
mb-7 = address of STS-1 #7 in MAIN OLIU
OUT
IN
MAIN-B-2(P)
OLIU
MAIN-B-1
OLIU
IN
OUT
Ring 2
Ring 2
CO 4
MAIN-B-2(P)
OLIU
MAIN-B-1
OLIU
IN
OUT
IN
OUT
OUT
IN
MAIN-B-1
OLIU
MAIN-B-2(P)
OLIU
OUT
IN
Ring 1
Ring 1
MAIN-B-2(P)
OLIU
MAIN-B-1
OLIU
MAIN-B-2(P)
OLIU
MAIN-B-1
OLIU
IN
OUT
OUT
IN
OUT
IN
IN
OUT
MAIN-B-1
OLIU
IN
OUT
IN
MAIN-B-2(P)
OLIU
OUT
OUT
MAIN-B-1
OLIU
IN
OUT
IN
MAIN-B-2(P)
OLIU
MAIN-B-2(P)
OLIU
OUT
MAIN-B-1
OLIU
IN
IN
OUT
Ring 2
Ring 1
MAIN-B-2(P)
OLIU
MAIN-B-1
OLIU
OUT
OUT
Ring 2
Ring 1
OUT
IN
MAIN-B-1
OLIU
MAIN-B-2(P)
OLIU
OUT
IN
IN
IN
Ring 2
Ring 1
mb-7 to c-2 (ent-crs-sts1:mb-7,c-2)
where:
mb-7 to c-2 (ent-crs-sts1:mb-7,c-2)
where:
c-2 = address of DS3 port for 3DS3 circuit
pack in FN C
ent-crs-sts1:mb-7,c-2:cct=dc,ring=mb2
c-2 = address of DS3 port for 3DS3 circuit
pack in FN C
mb-7 to mb-7 pass through
connection
(ent-crs-sts1:mb-7,mb-7)
mb-7 to mb-7 pass through
connection
(ent-crs-sts1:mb-7,mb-7)
mb-7 to mb-7 pass through
connection
(ent-crs-sts1:mb-7,mb-7)
dc = type of cross-connection
(drop and continue)
mb2 = ring received on MAIN-B-2(P) OLIU
and transmitted on MAIN-B-1 OLIU
ent-crs-sts1:mb-7,c-2:cct=dc,ring=mb2
where:
mb-7 to mb-7 pass through
connection
(ent-crs-sts1:mb-7,mb-7)