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１１
9.2
、
VISCA OUT output cable interface pin assignment
VISCA OUT Definition:
10
、
RS485
，
RS422 Interface Pin Assignment .
RS485 、 RS422 Interface Definition :
RS422 using method :
RX +,RX -­,TX +,TX – are the interfaces of RS422 . Connecting controller equipment interface of TX
+(OUT+) ， TX –(OUT-­) to the interface of SD video conference camera’s RX +,RX – . Then connecting the
interface of controller equipment RX +(IN+),RX –(IN-­)to the camera’s interface of TX +,TX – . Then can
control the camera after adjusting the protocol , Baud rate and the Address .
RS485 using method
：
Connecting the controller equipment interfaces of A, B to the camera interfaces of A +,B -­ . Then can control
the camera after adjusting the protocol , Baud rate and the Address .
NO. Function
1
2
3 RXD
4 GND
5 TXD
6 GND
7
8 NC
NO. Function
1 RX +
2 RX -­
3 TX +
4 TX -­
5 A +
6 B -­