User`s guide

SWITCHERS
3
void the user’s authority to operate the
equipment.
ABOUT YOUR SWITCHER 2
The MX2222AT is an extremely flexible 2-in 1-out
RGBHV+Video+Audio Switcher designed to handle
the switching requirements of several different
multimedia applications.
The MX2222AT offers two inputs for RGBHV,
RGBS, or RGsB signal formats, two inputs for
composite video signals, and two inputs for
balanced or unbalanced stereo audio signals. A
selection of inputs can be made through the built-in
front panel control or through RS-232. In addition,
the MX2222AT can be preset to auto-switch each
individual video/sync channel. In auto-switch-mode,
if both channels are active, input 1 is selected as the
priority input.
Switching between inputs can either be made
independently for each type of signal or in a follow
configuration. For example, audio can be assigned
to follow RGBHV, video, or both. Audio channels are
not designed for independent auto switching, but
they may be preset to follow RGBHV or video
channels.
The MX2222AT can also preset to provide sync
delay switching; a feature that eliminates the “glitch”
normally associated with switching between high
resolution RGB type sources. This is accomplished
by disconnecting the sync portion of a signal before
the incoming video making the glitch take place off-
screen. The Sync Delay feature is only designed to
work with RGBS and RGBHV signal formats.
Although primarily designed for RGBHV + Video +
Audio, the MX2222AT can be used in a variety of
configurations due to its great flexibility. For
instance, a single unit can act as six 2-in 1-out
Composite Video Auto-Switchers or the MX2222AT
can be used as a 2-in 1-out RGBS+S-Video
Switcher, controllable through RS-232. Please note
that the front panel of the MX2222AT is designed for
primary functions and that some advanced functions
are only accessible through RS-232 control.
Using optional hardware, a single MX2222AT can
be rack mounted by itself or two units can be rack-
mounted side-by-side.
TECHNICAL SPECIFICATION 3
FEATURES/DESCRIPTION MX2222AT
GENERAL
Inputs 6
RGBHV Input Connector Two 5-BNC Female
Video Input Connector Two BNC Female
Stereo Audio Input
(balanced) Connector
Two 5 Conductor
Terminal Blocks
Outputs 3
RGBHV Output Connectors 5-BNC Female
Video Output Connectors BNC Female
Stereo Audio Output
Connectors
4 Conductor Terminal
Blocks
Compatibility RGBHV, RGBS,
RGsB, Component
Video (Y, R-Y, B-Y), S-
Video (Y/C),
Composite Video, and
Stereo Audio
Table 1. MX2222AT General
MECHANICAL MX2222AT
Width (inches) 8.50in (216mm)
Height (inches) 3.38in (86mm)
Depth (inches) 4.38in (111mm)
Weight (pounds) 3.0lbs (1.36kg)
Ship Weight (pounds) 4.0lbs (1.82kg)
Material 0.1” Al
Finish Gray
Front/Rear Panel Lexan
T° Operating 10°C-35°C
T° Maximum 50°C
Humidity 90% non-condensing
MTBF (calculations) 40,000hrs (min.)
Table 2. MX2222AT Mechanical
ELECTRICAL MX2222AT
Input Video Signals
Analog Signal +/-10 V p-p max
Impedance
75 Ohms
(unselected inputs)
Input Sync Signal
Composite Sync
TTL(+/-),
Analog 0.3-1.0 V
Sync on Green -0.3V
Impedance pass-through
Input Audio Signals
Type Differential