Black Box AC1120A User Manual
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Black Box AC1120A User Manual

16x16 and 8x8 vga/hdtv video matrix switch with front panel, rs232, and optional audio & ip control
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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.
CUSTOMER
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
SUPPORT
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
INFORMATION
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
UMA1149 Rev. A

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Summary of Contents for Black Box AC1120A

  • Page 1 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.
  • Page 3 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.

  • Page 4: Table Of Contents

    Model AC1120A, AC1121A, AC1122A, AC1123A Table of Contents 1.0 GENERAL..................... 4 1.1 F ....................4 EATURES 2.0 INSTALLATION..................5 2.1 I & V ............5 NPUT UDIO IDEO ONNECTIONS 2.2 O & V ............. 6 UTPUT UDIO IDEO ONNECTIONS 2.3 P .................
  • Page 5 ..................28 AINTENANCE 4.2 T ................... 28 ROUBLESHOOTING 4.2.1 Calling Black Box ................28 4.2.2 Shipping and Packaging ..............29 5.0 SPECIFICATIONS ..................29 APPENDIX 1 – FRONT PANEL QUICK REFERENCE GUIDE ....30 APPENDIX 2 – COMMAND SUMMARY ............ 31...

  • Page 6: General

    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.

  • Page 7: Installation

    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 –...

  • Page 8: Output Audio & Video Connections

    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.

  • Page 9: Power Input Connection

    Figure 5 – End of IEC320 / C6 power cord 2.4 Control Inputs The matrix can be controlled from either RS-232 or through IP. 2.4.1 Matrix with RS-232 Control (no IP) The AC1120A and AC1122A (without IP feature) actually have 2 separate and independent RS-232 control ports.

  • Page 10: Primary Rs-232 Control Port

    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.

  • Page 11: Units With Ip Control

    An image of the front panel for the 8x8 matrix is shown below. The 16x16 units have more INPUT and OUTPUT buttons than shown in this picture. Figure 9 –AC1120A front panel controls & indicators The front panel can be used for the following purposes: •...

  • Page 12: Viewing Audio And Video Routings Or "Ties

    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.

  • Page 13: Viewing Ties By Video Only

    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.

  • Page 14: Viewing Ties By Audio Only

    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.

  • Page 15: Video Only Or Audio Only

    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.

  • Page 16: Recalling Presets (Routing Patterns)

    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.
  • Page 17 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.

  • Page 18: Control Commands (Rs-232 And Ip)

    Most PCs and notebooks do not have a serial port. So to program the Matrix Switch you may need a USB to RS-232 Serial converter. These are available from Black Box (Model IC199A-R3). Figure 12 – USB to RS-232 Adapter Use Figure 8 to connect the unit to the PC’s serial port.

  • Page 19: Naming Functions

    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: NU<cr> stands for Name Unit Command: Response:...

  • Page 20: Preset Pattern Saving And Routing Functions

    Model AC1120A, AC1121A, AC1122A, AC1123A Response: CAn,m<cr> CVn,m<cr> 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: PRx<cr>...

  • Page 21: To Read Audio Volume Units (Vu) Of Output #1

    8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 3.2.6 To Read Audio Volume Units (VU) of output #1 This command returns the height of hypothetical bar LED indicator having a height of 16 segments. It will return a number from 0 to 16 with 10 being 0 db level.

  • Page 22: Scheduling Auto Recall Of Preset Patterns

    Model AC1120A, AC1121A, AC1122A, AC1123A 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>...
  • Page 23 8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 4 = Schedule On 5 = Schedule Off ESC = Quit Note: You have 16 seconds to make your selection, or the command is cancelled. if “1”, “2” or “3” was entered Response: Enter weekday Timer1 hour (00-12): Hit Enter if you want to keep previous value...

  • Page 24: Ip Control Basics

    Model AC1120A, AC1121A, AC1122A, AC1123A 3.2.12 IP Control Basics Serial RS-232 Control Port Matrix Command Processing Port 1001 Control Port 23 IP Setup Figure 14 – Control Block Diagram As shown in the figure above, the matrix can be controlled via RS232 Serial port or through an IP (Ethernet) port if equipped.
  • Page 25 8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control This is the normal response meaning that IP setting through the RS-232 port is allowed - - - - - Alternate Response - - - - - IP commands not enabled.
  • Page 26 Model AC1120A, AC1121A, AC1122A, AC1123A To set a port number (IP port that controls the Matrix): SPN1000 <cr> stands for Set Port Number. Command: Response: OK ..........if command completed successfully. Error................if command failed. To get a device/host name: GDN <cr>...

  • Page 27: Ip Configuration Through Port 23

    8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 3.2.12.2 IP Configuration through port 23 If you were unable to enter the IP setting mode through the serial command, a Telnet TCP programming method can be used to turn on RS-232 serial mode programming, or even to configure the network settings directly through port 23.
  • Page 28 Model AC1120A, AC1121A, AC1122A, AC1123A To get the current subnet mask: <CTRL-B> GNM <CR> Command: <CTRL-B> A 255.255.255.0 <CR> Response: To set a subnet mask: <CTRL-B> SNM255.255.255.0 <CR> Command: To get a port number: <CTRL-B> GPN <CR> Command: <CTRL-B> A 1001 <CR>...
  • Page 29 8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 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.

  • Page 30: Maintenance And Troubleshooting

    +12V Supply is outside of normal operating range 10.8V – 13.2V • System temperature is exceeding 122° F (50° C) If the battery needs changing, please contact Black Box (during the warranty period). Caution High-Voltage Never open the unit’s cover. Lethal voltages exists inside the unit Opening the unit also voids your warranty.

  • Page 31: Shipping And Packaging

    If you need to transport or ship your matrix: • Package it carefully. We recommend that you use the original container. • Before you ship the unit back to Black Box for repair or return, contact us to get a Return Authorization (RA) number.

  • Page 32: Appendix 1 - Front Panel Quick Reference Guide

    Model AC1120A, AC1121A, AC1122A, AC1123A Appendix 1 – Front Panel Quick Reference Guide Figure 15 – Control buttons on the front panel Function Procedure View ties or Make ties Hit VID and/or AUD buttons to light desired Hit any of the INPUT or OUTPUT Buttons...

  • Page 33: Appendix 2 - Command Summary

    8x8 and 16x16 VGA / HDTV Matrix Switch with Audio, RS232 & IP Control 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.
  • Page 34 Model AC1120A, AC1121A, AC1122A, AC1123A...
  • Page 36 © Copyright 2008. Black Box Corporation. All rights reserved. 1000 Park Drive Lawrence, PA 15055-1018 724-746-5500 Fax 724-746-0746...

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