Siemens eWON4002 - Manual (Page 36)

eWON4002™
Installation Guide
page 33 of 35
ver 2.04
9.5.1 Pinout serial ports 1 and 3 (according to mode):
9.5.2 Pinout serial port 2
Pin RS232 RS485 RS422
1 - - -
2 RXD - RX+
3 TXD A+ TX+
4 - - -
5 GND GND GND
6 - - -
7 RTS - RX-
8 CTS B- TX-
9 - - -
Table 27: Serial ports 1 and 3 pinout
Pin RS232
1 DCD
2 RXD
3 TXD
4 DTR
5 COM (GND)
6 DSR
7 RTS
8 CTS
9 RI
Table 28: Serial port 2 pinout