Date printed: 24.01.12
83
D21m System
S2
ON
Default Setting:
3
2
1
4
DIP Switch
S2
DIP switch for master port selection
(versions A949.0438.22 and up)
:
1
2
3
4 Setting
OFF
Depending on location:
– SCore: Master port connected to bridge/host card
– D21m stand-alone mode: Master port connected to front-panel
MASTER socket
ON
Master port forced to front-panel MASTER socket (in SCore and
D21m locations)
(factory default)
OFF OFF OFF reserved -
NO OTHER SETTINGS ALLOWED!
Connector Pin Assignment
RS422 MASTER
(9pin D-type, female, UNC 4-40 thread)
1
5
9
6
Solder/Crimp View
(or Socket View)
Pin RS422 Device Pinout
1 Chassis
2 TxD –
3 RxD +
4 GND
5 n.c.
6 GND
7 TxD +
8 RxD –
9 Chassis
RS422 SLAVE
(9pin D-type, female, UNC 4-40 thread)
1
5
9
6
Solder/Crimp View
(or Socket View)
Pin RS422 Controller Pinout
1 Chassis
2 RxD –
3 TxD +
4 GND
5 n.c.
6 GND
7 RxD +
8 TxD –
9 Chassis