Serial communication – Extron Electronics VSC 500_700_700D User Guide User Manual
Page 27
Serial
Communication
The VSC 500, 700, and 700D can be remotely controlled via a host computer or other device
(such as a control system) attached to the rear panel RS-232/422 connector. The control
device (host) can use either the Extron Simple Instruction Set (SIS™) commands or the
graphical control program for Windows.
The video scan converter uses a protocol with:
•
9600 baud
•
1 stop bit
•
no parity
•
no flow control
The rear panel RS-232/422 9-pin D connector has the following pin
assignments:
Pin RS-232 function Description
1
No connection
2
Tx
Transmit data
3
Rx
Receive data
4
Tx 2
Transmit data
5
Gnd
Signal ground
6
No connection
7
No connection
8
Rx 2
Receive data
9
No connection
Pin RS-422 function Description
1
No connection
2
Tx-
Transmit ground
3
Rx-
Receive ground
4
No connection
5
Gnd
Signal ground
6
No connection
7
Rx+
Receive data
8
Tx +
Transmit data
9
No connection
DB9 Pin Locations
Female
5
1
9
6
VSC 500/700/700D User Guide • Serial Communication
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