Siemens SIMATIC IPC RW-543A Operating Instructions Manual page 123

Pin
1
2
3
4
5
6
7
8
9
Pin
1
2
3
4
5
6
7
8
9
Pin
1
2
3
4
SIMATIC IPC RW-543A
Operating Instructions, 03/2023, A5E52332059-AA
Short description
DCD
DSR
RxD
RTS
TxD
CTS
DTR
RI
M
Short description
TX-
nc
TX+
nc
RX+
nc
RX-
nc
M
Short description
Data-
nc
Data+
nc
RS232
Meaning
Data carrier detect (I)
Data set ready (I)
Received data (I)
Request to send (O)
Transmitted data (O)
Clear to send (I)
Data terminal ready (O)
Incoming call (I)
Ground
RS422
Meaning
Transmit data - (O) for full-duplex mode
Transmit data + (O) for full-duplex mode
Receive data + (I) for full-duplex mode
Receive data - (I) for full-duplex mode
Ground
RS485
Meaning
Transmit / receive data - (I/O) for half-duplex mode
Transmit / receive data+ (I/O) for half-duplex mode
Hardware description
A.3 Internal Connector
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