Siemens SIMATIC IPC RW-543A Operating Instructions Manual page 124

Hardware description
A.3 Internal Connector
Pin
5
6
7
8
9
Graphic
Graphic
Graphic
124
Short description
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M
Pin setting
1-3, 2-4
3-5, 4-6(Default)
JP6/JP5/JP4 (COM3 RS232/422/485 Select Jumpers 3*2 Pin 2.54mm)
Pin setting
JP4 (1-2, Default)
JP5 (3-5, 4-6, Default)
JP6 (3-5, 4-6, Default)
JP4 (3-4)
JP5 (1-3, 2-4)
JP6 (1-3, 2-4)
JP4 (5-6)
JP5(1-3, 2-4)
JP6 (No Effect)
JP7 (COM4 RS232/485 Select Jumper 3*2 Pin 2.54mm)
Pin setting
1-3, 2-4
3-5, 4-6(Default)
RS485
Meaning
Ground
JP3 (COM1 DCD/RI Select Jumper 3*2 Pin 2.54mm)
Function
COM1_PIN1: + 5V
COM1_PIN8: + 12V
COM1_PIN1: DCD
COM1_PIN8: RI
Function
COM3: RS232
(COM3_PIN1: DCD
COM3_PIN3: RXD
COM3_PIN5: TXD
COM3_PIN7: DTR)
COM3: RS422
(COM3_PIN1: RS422_TX-
COM3_PIN3: RS422_TX+
COM3_PIN5: RS422_RX+
COM3_PIN7: RS422_RX-)
COM3: RS485
(COM3_PIN1: RS485-
COM3_PIN3: RS485+)
Function
COM4: RS485
(COM4_PIN1: RS485-
COM4_PIN3: RS485+)
COM4: RS232
(COM4_PIN1: DCD
COM4_PIN3: RXD)
Operating Instructions, 03/2023, A5E52332059-AA
SIMATIC IPC RW-543A