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Chapter 5: IR Remote Control/Chapter 6: Serial Control
© Copyright 2013. Black Box Corporation. All rights reserved. Black Box
and the Double Diamond
®
logo are registered trademarks of BB Technologies, Inc. Any third-party trademarks appearing in
this manual are acknowledged to be the property of their respective owners.
AVSW-DVI8X1, version 2
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Chapter 1: Specifications/Chapter 2: Overview
1. Specifications
Enclosure — Metal
Maximum Video Resolution — Full HD 1080p (1920 x 1080), WUXGA (1920 x 1200)
Number of DVI Inputs — (8)
Remote Control Support — Yes
Serial Control Support —Yes
User Controls — (1) EDID copy push button, (8) port selection buttons
Connectors — Input: (8) DVI (digital only), (8) audio jacks;
Output: (1) DVI (digital only), (1) audio jack
Indicators — (9) LEDs: (1) dual-color for Power and Video,
(8) LEDs for video input
Power — Consumption: 6.5 W
Size — 1.7"H x 17.1"W x 4.7"D (4.3 x 43.5 x 12 cm)
2. Overview
2.1 Features
• Select (1) DVI + Audio from (8) DVI + Audio sources.
• Control via front-panel push buttons, IR remote control, or serial control.
• EDID Copy function ensures optimal screen resolution.
• LED shows the active status of DVI + Audio sources.
• HDTV compatible.
• Protects content via HDCP.
• Supports up to Full HD 1080p/1920 x 1200 resolution.
• Compatible with most of the popular screen resolutions to XGA, SXGA, UXGA, WSXGA,
Full HD, WUXGA system.
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AVSW-DVI4X1
Chapter 4: Operation
4. Operation
LED Indicator
The Power LED turns green when the video switch is powered on. When a video port is selected,
its corresponding Port LED turns yellow.
Push Button
Press the corresponding button to select a port.
EDID Setting
In some cases, display problems may occur because of incorrect Extended Display Identification
(EDID) communication between the display monitor and the unit. This function allows the
system either to read the necessary EDID information from the unit, or to copy EDID from
EDID-compliant displays.
Default Setting
To reset to the default EDID:
Step 1: Press and hold the "EDID Copy" button on the unit and release the button RIGHT AFTER
the Power LED flashes red (6–7 seconds).
Step 2: The LED lights steady red and green indicating that the EDID default setting is completed.
Copy (New) Monitor EDID
When using a monitor (EDID-compliant) for display, the unit's EDID Copy function will enable
EDID communication between the monitor and the unit for optimal video quality. Follow these
steps:
Step 1: Power on the unit.
Step 2: Connect the EDID-compliant monitor to the switch and power on the monitor.
Step 3: Press the "EDID Copy" button for 3–5 seconds, and release the button RIGHT AFTER the
Power LED flashes green.
Step 4: The Power LED flashes red and green alternately, then lights green indicating that the
copy is successful.
NOTE: If the Power LED flashes red, the reason could be:
1. The monitor is not connected.
2. The monitor is not powered on.
3. The EDID data of the monitor is not applicable.
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AVSW-DVI4X1
Chapter 2: Overview
2.2 What's Included
8 x 1 DVI and Audio Switch (AVSW-DVI8X1s):
BLACK BOX
®
• Video switch
• Rear bracket
• Screw kit
• Foot pad
• IR remote controller
• Power supply and power cord
• This user manual
Optional:
• Audio cable
2.3 Hardware Description
Figure 2-1 shows the front and back panels of the AVSW-DVI8X1. Table 2-1 describes its
components.
1 3 1 3
1 3
1 3 1 3
1 3
1 3 1 3
4
1
2
3
4
5
6
7
8
OUTPUT
8
7
6
5
10 9
6
7
Figure 2-1. 8X1 DVI and Audio switch front and back panels.
Page 1
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AVSW-DVI4X1
Chapter 5: IR Remote Control/Chapter 6: Serial Control
5. IR Remote Control
The remote control operates within a 1.5-ft. (5-m) range of the DVI switch. To select a source
device with a remote control, press the number button (1–8) to directly switch to the
corresponding port.
NOTES:
1. Remove the battery protector on the remote control before operation.
2. On the remote control, only buttons 1–8 are activated. The rest of the buttons are reserved for
other models.
6. Serial Control
The DVI and audio switches' built in serial interface enables users to control the switch via a PC,
serial controller devices, or home theater system. The controller's serial port should be configured
as shown in Table 6-1.
Table 6-1. Serial parameters settings.
To select a source device via serial interface, select the number that corresponds to the port.
For example, send "1" to switch to Port 1.
Page 5
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AVSW-DVI4X1
Chapter 2: Overview
Table 2-1. 8X1 DVI and Audio switch components.
Number in
Fig. 2-1
Component
1
(8) Input LED indicators
2
(1) Power LED indicator
3
(8) Push buttons
4
(1) Audio port (Output)
5
(8) Audio ports (Input)
6
(1) Video port (Output)
7
(8) Video ports (Input)
8
EDID Copy button
8 X 1 D V I S w i t c h w i t h A u i d o
2
9
Serial port
8
10
Power supply
5
4
3
2
1
Page 2
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AVSW-DVI4X1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
SHIFT
VIDEO
AUDIO
ON/OFF
ON/OFF
RESOURCES
13
14
15
16
Figure 5-1. Remote control.
Parameter
Setting
Baud Rate
9600
Data Bits
8
Parity
None
Stop Bits
1
Flow Control
None
Page 6
3. Installation
• Before installation, power off all devices that will be connected to this system.
Description
• Make sure that all devices you will connect are properly grounded.
On Yellow when port 1–8 is selected.
• Place cables away from fluorescent lights, air conditioners, and machines that are likely to
Off when port 1–8 is not selected.
generate electrical noise.
NOTE: If no screen displays, follow these steps:
On Green when power to the unit is on.
1. Make sure the device cables are correctly and firmly attached.
Off when power to the unit is off.
2. Set your display device's input source as DVI.
Press buttons 1–8 to select a port.
3. Check the PC BIOS configuration for the video output settings.
4. Connect your computer to the display DIRECTLY to check if the video signal gets through.
Connects to a speaker.
Installation Steps
1. Use a video cable (DVI) to connect the display to the video output port on the back of the
Connect to audio sources 1–8.
switch. Plug a set of audio jacks from the speaker to the switch's speaker port.
2. Use a video cable (DVI) to connect the source device to the video input port on the switch.
Connects to a display.
Use an audio cable to connect the speaker port from the input side of the switch to the
corresponding output port on the source device.
Connect to video sources 1–8.
3. Plug the power supply into the switch and power on the switch.
4. Turn on the display (monitor, projector, or TV) and then power on the source device(s).
Copy a monitor's EDID.
5. If necessary, apply EDID Copy process to the unit.
Connects to a computer for serial control.
NOTE: When each video source is powered on, make sure it has a display pointing to it for EDID
Applies power to the unit.
Page 3
AVSW-DVI4X1
AVSW-DVI8X1
8 x 1 DVI and Audio Switch
Send up to eight source inputs
BLACK BOX
®
for screen output to one display.
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S.
Customer
call 724-746-5500) FREE technical support 24 hours a day, 7 days a
Support
Information
week: Call 724-746-5500 or fax 724-746-0746 Mailing address:
Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
Chapter 3: Installation
communication. If a source does not have a display pointing to it, a video image might not
display.
Page 4
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