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S5-115F Manual
Pin Assignments of the 25-way subminiature D connector
Figure 7-16. Pin Assignments of the 25-Way Subminiature D Connector
Note
If you are using the CP 523 with an active TTY interface, please note the voltage drop
over the cable lengths as well as the Send and Receive elements of the module.
EWA 4NEB 811 6148-02
-
1
Ground
2
-
3
-
4
V.24 -RXD
5
TTY IN+
6
DSR
7
8
TTY IN -
CTS
9
TTY OUT+
10
V.24 -TXD
11
TTY OUT -
12
RTS
13
Communications Capabilities
14
-
15
DTR
-
16
-
17
-
18
-
19
20
20 mA receive
21
Ground
22
20 mA send
23
Ground
24
Shield
25
Shield
7-43
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