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Models AC1120A 1121A 1122A 1123A *
16x16 and 8x8 VGA/HDTV Video Matrix Switch with
Front Panel, RS232, and Optional Audio & IP Control
* This user’s manual pertains to a number of Black Box 16x16 and
8x8 video matrix switches. Some models have audio switching
and IP control port, and some models do not.
UMA1149 Rev. A
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control TRADEMARKS USED IN THIS MANUAL BLACK BOX and its logo are registered trademarks of Black Box Corporation. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners. FCC and Canadian Dept of Communications Radio Frequency interference statements This equipment generates, uses, and can radiate radio frequency energy and if not installed and used properly, that is, in s
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Model AC1120A, AC1121A, AC1122A, AC1123A Table of Contents 1.0 GENERAL..................................................................................................... 4 1.1 FEATURES.................................................................................................... 4 2.0 INSTALLATION.......................................................................................... 5 2.1 INPUT AUDIO & VIDEO CONNECTIONS ........................................................ 5
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 3.2.2 Routing Functions.............................................................................. 17 3.2.2.1 To make a video tie: ................................................................................ 17 3.2.2.2 To make an audio tie: .............................................................................. 17 3.2.2.3 To make a synchronized audio/video tie: .............................................
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Model AC1120A, AC1121A, AC1122A, AC1123A 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
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 2.0 Installation The matrix is housed in a 2RU 19” wide rack mountable enclosure. All of I/O, control, and the power connections are on the rear of the unit. Figure 1 – Rear panel of AC1123A showing all the connections 2.1 Input Audio & Video Connections Figure 2 - Audio and video inputs on AC1123A The video connectors are HD15 female. These are compatible with PC’s VGA video signal (RGBHV). The Matrix is al
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Model AC1120A, AC1121A, AC1122A, AC1123A The audio input on the basic unit uses standard 3.5mm mini-stereo connectors. To use these with PC audio, standard male-to-male audio extension cables would be required. To connect from typical TV sources with separate right and left connectors, 3.5mm male to 2 RCA cables would be needed. Technical Note about the Audio Inputs Since the audio inputs are unbalanced (single ended), the ground reference of the source has to be the same as the matrix.
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control The audio outputs of the matrix are balanced. So a + and a – are provided for each side. There is also a ground connection available. If you are going to connect the matrix output to a single-ended audio device (one with RCA or phono connectors), then use the + of the left, + of the right, and ground. On the other hand, if you will be connecting the output to professional audio gear it is best to use the differential
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Model AC1120A, AC1121A, AC1122A, AC1123A The main RS-232 port is on a screw terminal and the auxiliary port is on an RJ45. Caution on RJ45 Control Input Since the matrices with the IP control and those without both have an RJ45 connector next to the RS-232 screw terminal, it is easy to confuse their function. The function of the connector should be labeled above it. A sure way to tell if the RJ45 control input is LAN or Serial is by the existence of little LED indicators to the sides
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control Figure 8 – Aux RS-232 port pinout 2.4.2 Units with IP control Models AC1121A and AC1123A are equipped with 10/100 base-T Ethernet connection and can be controlled via IP. They also have the primary RS-232 serial control port on the screw terminal input. The command set for controlling the matrix via the IP port is exactly the same as the RS-232 port. The basic method of control is via Telnet. Please see section 3.2.
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Model AC1120A, AC1121A, AC1122A, AC1123A All of the front panel switches have built-in LEDs that help in the operation. The functions of front panel are carefully designed for intuitiveness. With just a little practice, one can learn to quickly monitor and control the matrix. 3.1.1 Viewing Audio and Video Routings or “Ties” There are three different ways to view a tie: Video & Audio, Video only, or Audio only. The point of view can also be either from input side (where the selected i
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control Press and release any output button, the backlit LED of that button will light, and if that output’s video and audio are tied to one particular input, that input LED will also light. Note: If there is audio breakaway, the input LED will not be lit You can now use the ▲ and ▼ buttons to quickly go through all outputs. You can also make new ties by hitting another input button. New ties will not take effect unless E
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Model AC1120A, AC1121A, AC1122A, AC1123A When you are done viewing ties, to exit you can hit ENTER. If you don’t hit any buttons, then after 8 sec the view function times out and all the input and output LEDs will go out. 3.1.1.3 Viewing ties by Audio only Press and release the AUD and/or VID buttons so that the backlit LED of the AUD button is lit and the VID button is off At this point you have to decide if you want to view from the point of view of the input side or the output si
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control Press and release any Input button, the backlit LED of that button will light, and all the backlit LEDs for the outputs tied to it will light up solid. At this point, pressing any output buttons will be breaking or making connections. To disconnect a tie, press the lit output button once. To make new ties, press any of the unlit output buttons. The output LED will be blinking to indicate a pending change of state.
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Model AC1120A, AC1121A, AC1122A, AC1123A 3.1.3 Recalling Presets (routing patterns) The number of presets accessible from front panel is the same as # of inputs (however through the IP or Serial port, the unit can store and recall up to 16 presets even for an 8 input Model) Press and release the Preset button. The button will light up solid. Then press and release the input button (it will light up) and hit ENTER. You have 8 seconds to hit ENTER or the action will be cancelled. This wi
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control The associated input LED lights up, the matrix will temporarily route the audio input from the selected channel to audio output #1 and monitor its level on the front panel. Any other outputs tied to this selected input channel stay connected during this adjustment procedure. The installer can connect an external VU meter to output #1 or rely on the front panel (bottom row of lights) that act as a digital VU meter. N
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Model AC1120A, AC1121A, AC1122A, AC1123A 3.2 Control Commands (RS-232 and IP) The matrices can be controlled via an external control system by using RS-232. Additionally, Models AC1121A and AC1123A can be controlled through an IP port. Any program capable of standard serial communication in ASCII format is capable of working with the matrices. Most PCs with Microsoft Windows operating systems have HyperTerminal™ pre installed with this capability. There are also many free Terminal Emula
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 3.2.1 Naming Functions The matrix unit can be named. Its name can be up to 10 characters long. To assign or retrieve a unit name: Command: NU stands for Name Unit Response: xxxxxxxxxx (current name) Rename unit: ___________ No change If you hit or wait 5 seconds (command times out) the unit will respond with: Cancelled Otherwise you have 5 seconds to change the name by entering up to 10
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Model AC1120A, AC1121A, AC1122A, AC1123A Response: CAn,m CVn,m Note: If the system does not have audio, it will still accept this command but response will be missing audio tie line. 3.2.3 Preset Pattern Saving and Routing Functions 3.2.3.1 To recall a saved preset Video routing pattern: Command: PRx stands for Preset Recall x = preset # can be 1 to 16 Response: PRx CVn ,m 1 1 CVn ,m 2 2 3.2.3.2 To save the current Video routing pattern to
