User manual

Chapter 1. Introduction
1-4 TDU 120e User Manual 61202156L1-1
Option Module Architecture
The TDU 120e features a unique architecture that allows the
addition of one option module and plug-on board providing
an opportunity for growth to accommodate another
application. See Figure 1-1.
Figure 1-1. TDU 120e Option Modules
DSX-1
Module
Plug on
V.35
Plug on
OCU DP
Plug on
Dual Voice
OCU-DP
Module
V.35
Module
D&I
Module
DUAL
Voice
A
C
O
R
E
M
O
T
E
A
C
C
E
S
S
C
R
A
F
T
T
D
U
1
2
0
e
A
C
N
E
T
W
O
R
K
M
O
N
I
N
O
U
T
I
N
O
U
T
I
N
O
U
T
I
N
O
U
T
P
O
R
T
0
.
2
M
O
N
IN
O
U
T
I
N
O
U
T
P
O
R
T
1
.
1
M
O
N
T
E
S
T
O
K
Y
E
L
R
E
D
A
L
A
R
M
E
R
R
O
R
N
E
TW
O
R
K
ST
A
TU
S
T
E
S
T
O
K
A
L
A
R
M
P
O
R
T
S
T
A
T
U
S
0
.
1
0
.2
1
.1
1
.
2
1
.
3
1
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TDU 120e