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Siemens S5-135U/155U User Manual

Page 530

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11-18

System Manual

C79000-G8576-C199-06

Assignments of the front connector for the coordinators

Pin No.

Designation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

Housing/0 V/0V

ext

Receiver TTY(-)
Private line
+24 V
Private line
Transmitter TTY (+)
Transmitter TTY (-)
Housing/0 V/0V

ext

Receiver TTY (+)
24 V ground (20 mA (-) current sources)
20 mA (+) current source
Private line
20 mA (+) current source
Private line
Private line

Connector Assignments