Atlona AT VGA MATRIX - Manual (Page 8)

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3.0 Connecting the Swticher
The VGA matrix switchers connect using female 15-pin HD connectors for the video signal I/O interface,
and captive screw connectors for the audio signal I/O interface. The swticher has front control panel, infra-
red remote controller (Optional) and the Ethernet control (Optional), The VGA switcher can also be control-
led via the RS-232 communication port. This RS-232 communication port is a female 9-pin D connector.
The definition of its pins is shown in the table below.
Pin RS-232 Description
1 N/u Not used
2 Tx Transmit data
3 Rx Receive data
4 N/u Not used
5 Gnd Signal ground
6 N/u Not used
7 N/u Not used
8 N/u Not used
9 N/u Not used
The switcher can also be controlled through COM1 or COM2 ports on the computer, To control the switch-
er, users may use the application SWITCHER 2.0 in the supplied CD or develop their own control software
with the protocol and control codes.