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Model DVS-2A
2-Port DVI Switch with Audio, Serial Control &
Long Cable Equalization
UMA1127
Rev B
© Copyright 2007. Hall Research Technologies, Inc. All rights
1163 Warner Ave Tustin, CA 92780, Ph: (714)641-6607, Fax -6698
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Summary of Contents for HRT DVS-2A
- Page 1 Model DVS-2A 2-Port DVI Switch with Audio, Serial Control & Long Cable Equalization UMA1127 Rev B © Copyright 2007. Hall Research Technologies, Inc. All rights 1163 Warner Ave Tustin, CA 92780, Ph: (714)641-6607, Fax -6698...
- Page 3 2-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.
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Page 4: Table Of Contents
2.0 Features....................4 3.0 Installation ................... 5 . Required Cables..................5 . Inputs & Outputs ................... 5 . Connecting the DVS-2A................ 5 . Connection Diagram................6 4.0 Operation ..................... 7 . Switched Output ..................7 . Modes of Operation ................7 . -
Page 5: General
LCD screen). The switcher supports single-link, DVI-D video signals at resolutions up to 1920x1200 and HDTV up to 1080p. The DVS-2A 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. -
Page 6: Features
2-Port DVI Switch with Audio & Serial Control 2.0 Features Clear and sharp images at resolutions up to 1920x1200 including HDTV up to 1080p Hot pluggable Supports the DDC2 standard for all input ports HDCP & HDMI 1.3 Compatible Allows one video with stereo audio to be switched between two video and audio sources Can be manually controlled by push-button switches, remotely by a RS232 communication port... -
Page 7: Installation
All of these items are available for purchase upon request. . Inputs & Outputs The DVS-2A has 2 video and audio inputs labeled ‘Input 1’ and ‘Input 2’. The unit has 1 video and audio output labeled ‘Output’. . Connecting the DVS-2A Connect your video and audio sources such as computer or notebook PC to ‘Input 1’... -
Page 8: Connection Diagram
2-Port DVI Switch with Audio & Serial Control . Connection Diagram MODEL DVS-2A REAR PANEL Universal Mounting Bracket... -
Page 9: Operation
However, the switched output SELECT button can be used to blank the output by holding it down for 3 seconds or to un-blank the output by pressing it once. In Manual mode, the output of the DVS-2A will depend on the selection of the ‘Switched Output’ SELECT button. -
Page 10: Priority Selection In Auto Mode
‘Input 2’ connector. For example, if the ‘Output’ is playing the video & audio from ‘Input 2’ and video from ‘Input 1’ is detected, the output of the DVS-2A will change to select ‘Input 1’ video immediately. With priority set to none, the unit stays selected to the current input as long as it is detecting video there. -
Page 11: To Configure Hyperterminal
2-Port DVI Switch with Audio & Serial Control The DVS-2A will output a menu to the serial port on power-up. This menu can also be displayed when the appropriate command is sent to the DVS-2A via the serial port. To view the menu, an ASCII serial terminal or terminal emulator software is needed. -
Page 12: Serial Port Control Codes
2-Port DVI Switch with Audio & Serial Control . Serial Port Control Codes Control codes are 1 byte commands from an external device to the Serial Port on the DVS-2A. ASCII ‘1’ (Hex 31 or Decimal 49) Selects input #1 (immediately and unconditionally). The... - Page 13 2-Port DVI Switch with Audio & Serial Control ASCII ‘A’ or ‘a’ (Hex 41/61 or Decimal 65/97 ) Enters Auto mode. The user must select the desired detection method by entering a number from 1 to 3 within 20 seconds. Values outside this range or delaying entry longer than 20 seconds will result in an error message: Invalid entry! Current detection stays the same.
- Page 14 2-Port DVI Switch with Audio & Serial Control ASCII ‘P’ or ‘p’ (Hex 50/70 or Decimal 80/112) Selects Input #1 priority. The device will respond with: PC 1 priority selected If ‘Input #1’ priority is selected, the unit will select input #1 automatically whenever the presence of the video at the ‘Input 1’...
- Page 15 2-Port DVI Switch with Audio & Serial Control ASCII ‘R’ or ‘r’ (Hex 52/72 or Decimal 82/114) Request the status report. The device will respond with a display similar to below: Report --------------------- Input = 1 Mode = Auto Priority = None Blank = Off Boost = Disabled Detection method = Vertical sync...
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Page 16: Troubleshooting
Do not open or try to repair the unit yourself. There is no customer repairable item in the unit and you will void your warranty. Contact HRT Support at 714-641-6607 or via email or web. If you need to ship your switch for repair, make sure to get a Return Material Authorization (RMA) number first. -
Page 17: Specifications
2-Port DVI Switch with Audio & Serial Control 6.0 Specifications Video Inputs DVI-D Single Link, HDCP & HDMI 1.3 Compliant Resolutions PC resolutions up to 1920x1200 @ 60 Hz and HDTV to 1080p Audio Inputs PC audio outputs Temperature Operating: 32 to 122°F (0 to 50°C); Storage: –40 to +185°F (–40 to +85°C) Enclosure Steel... - Page 18 2-Port DVI Switch with Audio & Serial Control...
- Page 20 Product Designed and Made in the USA...
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