Instruction/ maintenance manual of the product 1121A Black Box
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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.
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8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 1 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.
Model AC1120A, AC1121A, AC1122A, AC1123A 2 Table of Contents 1.0 GENERAL..................................................................................................... 4 1.1 F EATURES .............................................................
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 3 3.2.2 Routing Functions .............................................................................. 17 3.2.2.1 To make a video tie: ........................................
Model AC1120A, AC1121A, AC1122A, AC1123A 4 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 m atrix are discussed in this user’ manual per the ta ble below.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 5 2.0 Installation The matrix i s housed in a 2RU 19” wide rack mountable enclosure. Al l of I/O, control, and the power connections are on the rear of the uni t. Figure 1 – Rear panel of AC1123A showing all the connections 2.
Model AC1120A, AC1121A, AC1122A, AC1123A 6 The audio input on the basic unit uses standard 3.5mm m ini-stereo connectors. To use these with PC audio, standard m ale-to-male audio extension cables would be required. To connect from ty pical TV sources with separate right and left connectors, 3.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 7 The audio outputs of the matrix are balan ced. So a + and a – are provided for each side.
Model AC1120A, AC1121A, AC1122A, AC1123A 8 The main RS-232 port is on a screw term inal 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 scr ew terminal, it is easy to confuse their function.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 9 Figure 8 – Aux RS-232 port pinout 2.4.2 Units with IP control Models AC1121A and AC1123A are equipped wi th 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 i nput.
Model AC1120A, AC1121A, AC1122A, AC1123A 10 All of the front panel switch es have built-in LEDs that h elp in the operation . The functions of fro nt panel are carefully designed for intuitiveness. W ith just a little practice, one can learn to quickly monitor and control the m atrix.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 11 Press and release any output button, the b acklit LED of that bu tton will light, and if that output’s video and audi o are tied to one particular input, t hat input LED will also light.
Model AC1120A, AC1121A, AC1122A, AC1123A 12 When you are done viewing ties, to exit you can hit ENTER. If you don’t hit any buttons, then after 8 sec the vi ew function times out and all the input and output LEDs will go out.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 13 Press and release any Input button, the b acklit LED of that bu tton will light, and all the backlit LEDs for the ou tputs tied to it will light up solid. At this point, pressing any output buttons will be breaking or making connections.
Model AC1120A, AC1121A, AC1122A, AC1123A 14 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.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 15 The associated input LED lights up, the matrix will tem porarily route the audio input from t he selected channel to audio output #1 and moni tor its level on the front panel.
Model AC1120A, AC1121A, AC1122A, AC1123A 16 3.2 Control Commands (RS-232 and IP) The matrices can be cont rolled via an external control system by using RS-232.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 17 3.2.1 Naming Functions The matrix unit can be named. Its name can be up to 10 characters l ong.
Model AC1120A, AC1121A, AC1122A, AC1123A 18 Response: CAn,m<cr> CVn,m<cr> Note: If the system does not have audio, it will still accept this comm and but response will be missing audio tie line. 3.2.3 Preset Pattern Saving and Routing Functions 3.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 19 3.2.6 To Read Audio Volume Units (VU) of output #1 This comm and returns the height of hypothetical bar LED indicator having a height of 16 segments. It will return a nu mber from 0 to 16 with 10 being 0 db level.
Model AC1120A, AC1121A, AC1122A, AC1123A 20 Enter the second (00-59): Enter AM/PM (0-1): Notes : You have 16 seconds to make your selection, or the command is cancelled. To skip the current prompt without making a change, press ENTER. Invalid entry<cr> Cancelled <cr> if invalid value wa s entered.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 21 4 = Schedule On 5 = Schedule Off ESC = Quit Note: You have 16 seconds to m ake your selection, or the comm and is cancelled.
Model AC1120A, AC1121A, AC1122A, AC1123A 22 Matrix Comma nd Processing Port 1001 Port 23 IP Setup Serial Control IP Control RS-232 Port 3.2.12 IP Control Basics Figure 14 – Control Bl ock Diagram As shown in the figure above, the ma trix can be controlled via RS232 Serial port or through an IP (Ethernet) port if equipped.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 23 This is the normal response meaning that IP setting through the RS-232 port is allowed - - - - - Alternate Response - - - - - IP comma nds not enabled.
Model AC1120A, AC1121A, AC1122A, AC1123A 24 9. To set a port number (IP port that co ntrols the Matrix): Command: SPN1000 <cr> stands for Set Port Num ber. Response: OK .................................................. if command completed successfully .
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 25 3.2.12.2 IP Configuration through port 23 If you were unable to enter the IP sett ing mode through the serial com mand, a T.
Model AC1120A, AC1121A, AC1122A, AC1123A 26 7. To get the current subnet m ask: Command: <CTRL-B> GNM <CR> Response: <CTRL-B> A 255.255.255.0 <CR> 8. To set a subnet mask: Command: <CTRL-B> SNM 255.255.255.0 <CR> 9.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 27 Note on IP Settings through port 23 If you are unable to access the unit’s port 23 from your PC using the matrix’s default or last known IP address, it could be that the IP address of the matrix is not compatible on your LAN.
Model AC1120A, AC1121A, AC1122A, AC1123A 28 4.0 Maintenance and Troubleshooting 4.1 Maintenance The front panel CHECK button LED st arts flashing if one of the following conditions occurs: • RTC Battery Voltage is below 2.4V • +5V Supply is outsi de of normal operating range 4.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 29 4.2.2 Shipping and Packaging If you need to transp ort or ship you r matrix: • Package it carefully.
Model AC1120A, AC1121A, AC1122A, AC1123A 30 Appendix 1 – Front Panel Quick Reference Guide Figure 15 – Control butt ons on the front panel Function Procedure View ties or Make ties Hit VID and.
8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 31 Appendix 2 – Command Summary Command Function COn,m Connect Output (both A&V). n = output, m= input Omitting ,m will show current connections Substitute * for n to tie all outputs CVn,m Connect Video output.
Model AC1120A, AC1121A, AC1122A, AC1123A 32.
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© Co py ri g ht 2008. Black Box Cor p oration. All ri g hts reserved. 1000 Park Drive Lawrence, PA 15055-1018 724-746-5500 Fax 724-746-0746.
An important point after buying a device Black Box 1121A (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Black Box 1121A yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Black Box 1121A - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Black Box 1121A you will learn all the available features of the product, as well as information on its operation. The information that you get Black Box 1121A will certainly help you make a decision on the purchase.
If you already are a holder of Black Box 1121A, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Black Box 1121A.
However, one of the most important roles played by the user manual is to help in solving problems with Black Box 1121A. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Black Box 1121A along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
