2x1 Compact VGA Switch
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1. Introduction
1.1 General
The Model AC505A is a versatile, compact, high
performance, solid-state, 2 input x 1 output, VGA video
switch that can operate at resolutions of up to 1600x1200.
The unit allows one monitor to be switched between two
video sources. The device is housed in a small RFI shielded
enclosure and is supplied with an universal power supply, a
push-button remote switch control cable, and a Serial (RS-
232) control cable for connecting to a PC or other serial
control device.
The switch terminates both video input signals and buffers
the output in order to protect signal integrity. The Model
AC505A can drive video cables to 150 feet or more
(depending on cable quality an resolution setting). The input
and output connectors are all HD15 Female (standard VGA
style).
1.2 Features
Allows one monitor to be switched between two sources
Can be controlled manually, via Serial port, or from TTL level
(or contact closure)
Select input 1, input 2, or blank the output
Auto mode automatically scans and selects the input with active
video (Inputs can also be prioritized)
Infinite switching cycle life
Can drive long cables
Terminates both video input signals and buffers the output to
protect signal integrity
Includes pushbutton and serial cables for control
