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The optional network card provides a wide variety of interfaces. Pin-out and connections are described below:
44-pin
female
connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
RS366,RS449,RS530,X21,V35
D-SUB HIGH DENSITY
Signal
Name
NB2
DLO
DSC
TT(B+)
[C113]
TCLK(B+)
[C114]
TX(B+)
[C103]
RX(A-)
[C104]
RCLK(A-)
[C115]
CDV35
[C109]
DSR449(A-)
[C107]
CTS449(B+)
[C106]
RING449(A-) [C125]
RING449(B+) [C125]
RTS449(B+)
[C105]
GND
[C102]
NB1
NB8
DPR
PWI
TT(A-)
[C113]
TCLK(A-)
[C114]
TX(A-)
[C103]
RX(B+)
[C104]
RCLK(B+)
[C115]
DSRV35
[C107]
DSR449(B+)
[C107]
CD449(A-)
[C109]
SELNET2
RTS449(A-)
[C105]
GND
[C102]
NB4
PND
CRQ
SELNET0
ACR
RTSV35
[C105]
CTSV35
[C106]
DTRV35
[C108]
RINGV35
[C125]
CTS449(A-)
[C106]
CD449(B+)
[C109]
SELNET1
DTR449(B+)
[C108]
DTR449(A-)
[C108]
LEASED NETWORK
RS366
RS449
25 M pins
37 M pins
15
22
13
35
23
22
6
8
13
27
15
TO GND
25
7
19
14
17
2
6
17
5
4
24
26
31
11
TO GND
7
7
19
16
5
4
TO GND
3
9
29
TO GND
30
12
RS530
X21
25 M pins
15 M pins
34 M pins
24
12
14
14
9
3
4
17
6
6
13
19
7
8
11
15
7
2
2
16
11
9
13
22
8
TO GND
TO GND
TO GND
4
7
8
TO GND
OPEN
5
10
OPEN
OPEN
TO GND
23
20
V35
W
AA
S
R
V
F
B
U
Y
P
T
X
E
B
OPEN
C
D
H
J
91
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