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CP 521
Pin assignment of the 25-pin subminiature D connector
V.24 RXD
V.24 -TXD
Figure 3-3. Pin Assignment of the 25-pin Subminiature D Connector
Permissible cross-section of the lines used in subminiature D connections: up to
2
0.5 mm
(20 AWG)
GWA 4NEB 812 6030-02b
-
1
14
Ground
2
15
-
3
16
-
4
17
5
18
+ RXD
6
19
DSR
7
20
8
- RXD
21
CTS
9
22
+ TXD
10
23
11
24
- TXD
12
25
RTS
13
Hardware Installation
-
DTR
-
-
-
-
-
Ground
-
Ground
Shield
Shield
3-3
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