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

Page: 2376 / 2536

DLP-550
: Detailed Level Procedure 363-206-285
Page 12 of 12 Issue 2, February 2000
DDM-2000 OC-3 M
ULTIPLEXER
Figure 8 – Dual Ring Interworking Cross-Connections (T1EXT to TMUX) (OC-3
with OC-12 Optics)
MAIN 1 MAIN 2
24/29-Type
OLIU
24/29-Type
OLIU
IN
IN
IN
IN IN
M
A
IN
-B
-1
M
A
IN
-B
-1
MAIN-B-1 MAIN-B-1
M
A
IN
-B
-2
(P
)
M
A
IN
-B
-2
(P
)
MAIN-B-2(P) MAIN-B-2(P)
IN
IN
IN
IN IN
OUT
OUT
OUT
OUT OUT
OL
IU
OL
IU
OLIU OLIU
OL
IU
OL
IU
OLIU OLIU
OUT
OUT
OUT
OUT OUT
m
b
-2
t
o
m
b
-2
pass t
h
rough
connect
ion
(ent
-c
rs
-s
ts
1:
m
b
-2
,m
b-
2)
m
b
-2
t
o
m
b
-2
pass t
h
rough
connect
ion
(ent
-c
rs
-s
ts
1:
m
b
-2
,m
b-
2)
T1
MXRVO
MXRVO
m-2-1-1 to b-1-1 (ent-crs-vt1:m-2-1-1,b-1-1)
where:
b-1-1 = address of T1 port 1,
pack 1 in
T1EXT circuit
LOW SPEED GROUP B
m-2-1-1 = address of STS-1 #2 in MAIN OLIU,
VTG #1, VT #1
ent-crs-sts1:mb-2,c-2:cct=dc,ring=mb2
ent-crs-sts1:mb-2,c-2:cct=dc,ring=mb1
ent-crs-vt1:m-1-1-1,b-1-1:cct=dc,ring=m1
ent-crs-vt1:m-1-1-1,b-1-1:cct=dc,ring=m2
where:
mb-2 = address of STS-1 #2 in MAIN OLIU
c-2 = address of ED1 port #2 in 3STS1E
circuit pack in FNC
dc = type of cross-connection (drop and continue)
mb2 = ring received on MAIN-B-2(P) OLIU and
transmitted on MAIN-B-1 OLIU
m
-1-
1-
1 t
o
m
-1-
1-
1
pass t
h
rough connect
ion
(e
n
t-c
rs
-v
t1
:m
-1
-1
-1
,m
-1
-1
-1
)
m
-1-
1-
1 t
o
m
-1-
1-
1
pass t
h
rough connect
ion
(e
n
t-c
rs
-v
t1
:m
-1
-1
-1
,m
-1
-1
-1
)
b-1-1 to m-1-1-1 (ent-crs-vt1:b-1-1,m-1-1-1)
where:
b-1-1 = address of DS1 port 1, T1EXT circuit
pack #1 in LOW SPEED GROUP B
m-1-1-1 = address of VT #1, VTG #1, STS #1 in
MAIN OLIU
T1