Black Box user manual Models AC1120A 1121A 1122A 1123A

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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

CUSTOMER Order toll-freein the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOXSUPPORT FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500or 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

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Contents Models AC1120A 1121A 1122A 1123A Page Trademarks Used in this Manual Table of Contents Maintenance and Troubleshooting General FeaturesInput Audio & Video Connections InstallationOutput Audio & Video Connections Technical Note about the Audio InputsControl Inputs Power input connectionMatrix with RS-232 Control no IP Auxiliary RS-232 Control Port Primary RS-232 Control PortOperation Front-Panel Buttons and IndicatorsUnits with IP control Viewing ties by Video and Audio Viewing Audio and Video Routings or TiesViewing ties by Video only Viewing ties by Audio only Making Audio and Video Routings or TiesMaking a tie by Input Video and Audio to follow each other Making a tie by Output Video and Audio to follow each other Video only or Audio onlySaving Presets routing patterns Recalling Presets routing patternsDisconnecting all AV outputs blank preset To reset system to factory defaultsComparison with Analog VU meter on 16x16 Matrix Front panel is in usecr Control Commands RS-232 and IPRouting Functions Naming FunctionsTo make a video tie To make an audio tieRestoring Factory Defaults Preset Pattern Saving and Routing FunctionsRebooting the System To recall a saved preset Video routing patternTo Read Temperature inside the Matrix To Read Audio Volume Units VU of output #1To Read the Firmware Version To Read Supply VoltagesTo set a schedule Scheduling Auto recall of Preset PatternsResponse if 4 was entered schedule on IP Control Basics If command completed successfully Response BB1123-A IP Configuration through port Model AC1120A, AC1121A, AC1122A, AC1123A Page Maintenance Maintenance and TroubleshootingTroubleshooting Calling Black BoxShipping and Packaging SpecificationsAppendix 1 Front Panel Quick Reference Guide Function ProcedureCommand Function Appendix 2 Command SummaryModel AC1120A, AC1121A, AC1122A, AC1123A Page Copyright 2008. Black Box Corporation. All rights reserved