Connection Example - W&T Electronics RS232 Handbuch

W&T

Connection example

A Master PC alternately controls two Slave devices using a con-
nection with hardware handshake.
Slave 1
RS232 9-pin
connector with
DTE pinout
Port A
(9-pin female
connector)
RS232 Universal Serial
T-Swich, #85643
2
3
Master
22
RS232(/422/485) Universal Serial T-Switch
Slave 2
Port B
(9-pin female
connector)
Port C
(9-pin male
connector)
3 4 5
8
9-pin male
connector
2 6 8 5 4
PC
RS232 9-pin
connector with
DTE pinout