0 connecting the swticher – Atlona AT VGA MATRIX User Manual
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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.