Hall Research DVS-4A User Manual

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Model DVS-4A
4-Port DVI Switch with Audio, Serial Control &
Long Cable Equalization
UMA1129
Rev B
© Copyright 2007. Hall Research Technologies, Inc. All rights
1163 Warner Ave Tustin, CA 92780, Ph: (714)641-6607, Fax -6698
4-Port DVI Switch with Audio & Serial Control
Trademarks Used In this Manual
Hall Research, HRT, and (logo) are trademarks of Hall Research Technologies, Inc. Any other trademarks mentioned in this manual are acknowledged to be the property of the trademark owners.
Federal Communications Commission Statement
This equipment generates uses and radiates radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. This equipment has been tested and found to comply with the limits for a Class A computing device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when operated in a commercial environment. Operation of this equipment in a residential area may cause interference, in which case the user, at their own expense; will be required to take whatever measures are necessary to correct the interference.
European Union Declaration of Conformity
This product has been tested and shown to comply with the requirements of the European EMC directive 89/336/EEC.
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Table of Contents
4-Port DVI Switch with Audio & Serial Control
1.0 General ................................................................................................ 3
2.0 Features................................................................................................ 4
3.0 Installation ........................................................................................... 5
. Required Cables..................................................................................... 5
. Inputs & Outputs ................................................................................... 5
. Connecting the DVS-4A........................................................................ 5
. Connection Diagram.............................................................................. 6
4.0 Operation ............................................................................................. 7
. Manually Switched Output .................................................................... 7
. Modes of Operation ............................................................................... 7
. Priority Selection in Auto Mode............................................................ 8
. Long Cable Equalization ....................................................................... 8
. Scan Mode ............................................................................................. 8
. RS-232 Control Port Usage ................................................................... 9
. To configure HyperTerminal................................................................. 9
. Serial Port Control Codes .................................................................... 10
5.0 Troubleshooting................................................................................. 16
6.0 Specifications..................................................................................... 17
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4-Port DVI Switch with Audio & Serial Control
1.0 General
Thank you for purchasing Hall Research Technologies’ DVS-4A 4-Port DVI Switch with Audio & Serial Control.
This unit provides both a video and audio output that can be switched between four video and audio sources. This allows routing of multiple DVI equipped devices (such as PC’s) to a single DVI display (such as a plasma or LCD screen). The switcher supports single-link, DVI-D video signals at resolutions up to 1920x1200 and HDTV up to 1080p.
The DVS-4A unit provides all the A/V and control connections on the rear panel; the front panel has a push-button switch with corresponding LED indicator for the selection of video source.
This unit can be controlled by either manually switch, automatically RS232 serial port.
The unit can be configured to operate in three different modes, which are the Auto, Scan and Manual modes.
The unit also has EEPROM (internal non-volatile flash memory) to store the last operating mode when power is off.
based on video detection, or remotely through an
using the front panel
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4-Port DVI Switch with Audio & Serial Control
2.0 Features
9 Clear and sharp images at resolutions up to 1920x1200 including
HDTV up to 1080p
9 Hot pluggable 9 Supports the DDC2 standard for all input ports 9 HDCP & HDMI 1.3 Compatible 9 Allows one video with stereo audio to be switched between four
video and audio sources
9 Can be manually controlled by push-button switches, remotely by a
RS232 communication port
9 Provides an Auto mode to automatically select input source 9 Auto Mode priority can be set for any input or no-priority 9 Scan Mode shows each output for a programmable time period 9 Switched output can be blanked and un-blanked 9 Video Cable Equalization available for long cabling 9 Stores the last selection and mode in EEPROM 9 Compatible with the Universal Mounting Bracket 9 Ships with universal (100~240 VAC) power supply 9 Compact, Rugged, Reliable, and Economical 9 Made in USA
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4-Port DVI Switch with Audio & Serial Control
3.0 Installation
. Required Cables
The video input cables are generally DVI male to male (customer furnished). The Audio inputs are 3.5 mm mini-stereo (customer furnished). To connect to the unit to a Serial port (such as PC’s COM1) you would need a Male/Female DB9 Serial Cable (customer furnished).
All of these items are available for purchase upon request.
. Inputs & Outputs
The DVS-4A has 4 video and audio inputs labeled ‘Video 1’ through ‘Video 4’. The unit has 1 video and audio output labeled ‘Video Output’.
. Connecting the DVS-4A
Connect your video and audio sources such as computer or notebook PC to ‘Video 1’, ‘Video 2’, ‘Video 3’ and/or ‘Video 4’ connector(s).
Connect the display device such as a monitor (or a video projector) to the switched video and audio output connectors.
Connect the included power supply to the DVS-4A.
Select the desired mode of operation (Auto, Scan or Manual) using the front panel switched buttons. (Auto = SEL 1 & SEL 2, Scan = SEL 3 & SEL 4)
If preferred, the above selections (and more) can also be done through RS-232 serial commands by connecting a DB9 RS-232 Serial cable to your PC and the DVS-4A.
The device can be mounted via a Universal Mounting Bracket (sold separately) if desired.
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4-Port DVI Switch with Audio & Serial Control
. Connection Diagram
MODEL DVS-4A REAR PANEL
Universal Mounting Bracket
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+ 16 hidden pages