Lucent Technologies DDM-2000 OC-12 User Manual

363-206-295
Shelf Descriptions and Configurations
3-14 Issue 1 December 1997
Linear (1+1) Extension From OC-12 Ring
Configuration 3
Figure 3-9 shows a DDM-2000 OC-12 Multiplexer shelf provisioned for interfacing
to an OC-3 network extension. Two levels of switching are used. STS-1 level
switching on the OC-12 ring to establish the STS-1 path and linear (1+1) switching
of the service and protection lines on the OC-3 linear extension.
Figure 3-9. Linear (1+1) Extension From OC-12 Ring Configuration
MMMM
OOOO
A
B
G
12
G
1
7
7
A
B
1
7
7
T
T
T
S
I
T
S
I
112(P) 2(P) 1
L
I
U
L
I
U
L
I
U
L
I
U
P
P
B
L
K
12
U
2(P) 2(P)
P
P
B
L
K
O
L
I
1 2(P)
1
E
S
Y
S
C
T
L
O
H
C
T
L
U
S
E
R
DDM-2000
P
A
N
E
L
OC-12 Shelf
1
U
O
L
I
DDDDDDDDD
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
S
1
D
S
1
D
S
1
D
S
1
O
S
Y
U
S
E
T
MM
G
X
R
X
R
X
R
X
R
VVVV
X
R
X
R
VV
2
T
G
O
L
I
U
O
L
I
U
OOOOOO
1111 1 2(P) 2(P) 2(P) 2(P)
1
P
B
L
K
P
B
L
K
2(P)
1
7
7
C
A
P
1
7
7
C
A
P
5 6 7 8(P) 5 6 7 8(P)
D
S
D
S
D
S
D
S
D
S
D
S
D
S
D
S
567
D
S
D
S
D
S
DDM-2000
H
C
S
T
C
8(P)
D
S
L
T
L
OC-3 Shelf
R
P
A
N
123
111
12344
11111
123
111
4
1
E
L
3
S
T
S
1
E
3
S
T
S
OC-3/IS-3

Lucent Technologies DDM-2000 OC-12 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-12
Category	Multiplexer
Language	English