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Siemens S5-135U/155U User Manual

Page 245

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5-105

System Manual
C79000-G8576-C199-06

Wiring of a connecting cable for RTS/CTS flow control

CPU

RxD

7

3

2

7

TxD

Receiver

Transmitter

TxD

2

RxD

Receiver

Transmitter

Shield

1

RTS

CTS

Housing, GND

1

3

RTS

CTS

Housing, GND

4

5

4

5

CPU

Figure 5-19

Example of a Connecting Cable: CPU - CPU for RTS/CTS Flow Control

CPUs, Memory Cards, Memory Submodules, Interface Submodules