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Model AC1120A, AC1121A, AC1122A, AC1123A
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About This Manual
This user’s manual covers several variations of Black Box’s 8x8 and 16x16
VGA/HD matrix switches. Four configurations of the matrix are discussed in this
user’ manual per the table below. Since this is an all-encompassing user’s manual,
portions of this guide may not pertain to any specific unit.
AC1120A 8x8 VGA Matrix Switch With Serial Control
AC1121A 8x8 VGA & Audio Matrix Switch with IP and Serial Control
AC1122A 16x16 VGA Matrix Switch with Serial Control
AC1123A 16x16 VGA & Audio Matrix Switch with IP and Serial Control
*** Upon power-up the switches output a string on their RS-232 port that
identifies the unit’s capabilities such as: BBox-I-A-8-8 (I=IP port, A= Audio,
8-8 = number of inputs and outputs respectively)
1.0 General
The AC1120A through AC1123A are compact high-end matrix switches for
video and audio. The matrices are used for cross-point switching of video and
audio signals. The switch provides 8 or 16 video (and audio) outputs, each
capable of independently displaying any of 8 or 16 inputs in any combination.
Additionally, the outputs can be blanked out and/or muted. The Matrices can be
used in TV broadcasting environments, multi-media conference halls, public
facilities, large display projects, schools, courtrooms, and command & control
centers.
The units are compatible with PC video from 640x480 to 1920x1600 or analog
SD/HDTV Component Video (YPbPr) from 480i to 1080p. The Matrix can be
controlled in 3 ways: manually using the buttons on the front panel, through one
or two serial RS232 control ports, or remotely via IP port.
1.1 Features
Allows cross-point switching of PC or HD video and audio signals
Multiple control methods including front panel, serial and IP ports
Switched output can be blanked or muted
Wide bandwidth to support PC resolutions to 1920x1200 or HD to 1080p
Balanced stereo audio outputs allow interference free connections
VU meter (sound level) bar graph display on the front panel
Battery-backed Real-time clock on all models with scheduling capability
Monitors system voltage levels and temperature
Alerts user with a blinking CHECK light if system faults are detected
Built-in universal power supply
Compact, Rugged, Reliable, and Economical