Date printed: 24.01.12
81
D21m System
S1
5678 1234
ONDefault Setting:
DIP Switch S1, DIP switch for RS422 pinout selection:
1 2 3 4 5 6 7 8 Setting
OFF OFF OFF OFF ON ON ON ON RS422 Controller pinout
ON ON ON ON OFF OFF OFF OFF
RS422 Device pinout (factory
default)
NO OTHER SETTINGS ALLOWED!
Connector Pin Assignment RS422 MASTER (9-pin D-type, female)
1
5
9
6
Solder/Crimp View
(or Socket View)
Pin RS422 Controller RS422 Device
1 Chassis Chassis
2 RxD – TxD –
3 TxD + RxD +
4 GND GND
5 n.c. n.c.
6 GND GND
7 RxD + TxD +
8 TxD – RxD –
9 Chassis Chassis
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