Black Box Electronic Accessory AC1100A User Manual

AUGUST 2007  
AC1100A  
AC1101A  
AC1102A  
Multi DVI System  
CATX Series  
© Copyright 2007. Black Box Corporation. All rights reserved.  
1000 Park Drive Lawrence, PA 150551018 7247465500  
5310196-01 02  
Fax 7247460746  
CUSTOMER  
SUPPORT  
INFORMATION  
Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)  
FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746  
Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018  
 
CHAPTER 1: Specifications  
MULTI DVI SYSTEM.  
1.Specifications  
2. Introduction  
Cable Required:  
Compliance:  
Video Support:  
Resolution:  
Between transmitter and receiver: Cat5/Cat6  
CE; FCC Class A, IC Class A  
2.1 Overview  
The Multi DVI System extends DVI video signals over Cat5/6 cable. All models support  
single link DVI video modes.  
DVI Single Link  
1600x1200 , 1080P (if graphics card supports reduced clock rate)  
This manual covers Multi DVI System units for video (AC1100A, AC1101A, AC1102A).  
Transmission:  
Bandwidth:  
Transparent to users  
Multi DVI System receivers are available with single or dual daisychainable  
connections. The dual daisychainable receiver is used when the same signal is  
distributed to multiple display devices across a single cable in a daisychain or loop-  
through fashion. Setup and cabling are the same as the single-port receiver.  
1.65 Gbps  
Maximum  
Distance:  
Total end to end over CAT5/CAT6: 600 ft (183m).  
Connectors:  
AC1100A: (1) RJ45, (2) DVI F;  
AC1101A: (1) RJ-45, (1) DVI F;  
AC1102A: (2) RJ-45, (1) DVI F;  
All: (1) power inlet  
WARNING  
This equipment is not intended for, nor does it support, distribution  
through an Ethernet fiber network. Do not connect these devices to any sort  
of networking or telecommunications equipment!  
Temperature  
Tolerance:  
Operating: 32 to 104°F (0 to 40°C);  
Storage: -4 to +140°F (-20 to +60°C)  
2.2 Package Contents  
Humidity  
Tolerance:  
Up to 80% noncondensing  
Steel  
You should have received the following when ordering a Multi DVI System  
receiver:  
Enclosure:  
Power:  
From utility-power (mains) outlet to power inlet, through  
detachable external power supply: Input: 100 to 250 VAC  
@ 50 or 60 Hz (autosensing);  
• The transmitter or receiver. unit  
• External power supply (100–250 VAC, 50–60 Hz, autosensing) with cord.  
• This manual.  
Output: +5 VDC;  
Consumption: 5 watts maximum  
2.3 Equipment You May Also Need  
Size:  
1.2"H x 4.1"W x 5.5"D (3.1 x 10.4 x 14.0 cm)  
1.0 lb. (0.45 kg) (all units)  
• Rackmount Brackets:  
Weight:  
For or single-port/dual daisychainable receivers:  
AC1011 for 3 units; AC1012 for 6 units;  
• Stereo Audio cable.  
• DVI Video cable.  
• Serial cable.  
2.4 Compatible Cabling  
Cabling for the Multi DVI System must be Cat5/Cat6 cable pinned to the EIA T568B  
specification (see Appendix A).  
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CHAPTER 3: Setup and Installation  
MULTI DVI SYSTEM.  
3.2.2 CONNECTIONS ON THE SINGLE-PORT MULTI DVI  
3. Setup and Installation  
The AC1100A, AC1101A, AC1112A units support DVI video over CAT5 cable .  
3.1 Cabling Considerations  
Figure 3-1 shows the video only Multi DVI System Transmitter connections, and Figure  
3-2 shows the receiver connections.  
• We recommend mounting and connecting all cabling to the Multi DVI System  
components before applying power. Please note recommended power sequence below.  
3.2 Making the Connections  
3.2.1 Connections and Setup in General  
This section contains figures showing connections with the specific Multi DVI System  
models. In general, however, the connection and setup procedure at both transmitter  
and receiver ends is as follows:  
At the transmitter end:  
1. Connect the source video to the Multi DVI System transmitter video input port, which  
is a DVI connector labeled DVI IN.  
2. If desired, attach a local monitor via the local monitor port to DVI OUT.  
3. Connect the CAT5 cable to the transmitter.  
4. Do not apply power to the transmitter at this time.  
At the receiver end:  
Figure 3-1. Transmitter connections on the AC1100A.  
1. Connect the DVI OUT connector to the display unit,.  
2. Make sure that the Cat5 cable connection from the transmitter or receiver are secure.  
3. Apply power to the display, then to the receiver.  
4. Next, the transmitter should be powered on and finally the video source signal.  
Reference Appendix B for Link status and LED indicator explanations.  
If there are any problems at either end, see Chapter 4.  
Figure 3-2. Receiver connections on the AC1101A.  
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CHAPTER 3: Setup and Installation  
3.2.3 CONNECTIONS ON THE DUAL DAISYCHAINABLE RECEIVER  
MULTI DVI SYSTEM.  
4. Troubleshooting  
The dual daisychainable receiver is used when the same signal is distributed to  
multiple display devices on a single cable in a daisychain or loop-through  
fashion. CAT5 Cable lengths must not exceed 600 ft between units.  
4.1. Common Problems  
In most cases, nearly every issue with the Multi DVI System can be resolved by  
checking the Fiber optic or CAT5 cable and making sure that it’s properly  
terminated and in the case of CAT5 cable, pinned to the TIA/EIA 568B wiring  
specification. However, there may be other problems that cause the system to not  
perform as it’s designed. Below are solutions to the most common installation  
errors.  
Setup and cabling are the same as the single-port receiver, but the dual  
daisychainable model has an additional RJ-45 connector for linking to another  
dual daisychainable receiver or single-port receiver.  
Figure 3-3 shows how connections are made on the dual daisychainable receiver.  
Problem:  
Solution:  
No video signal at the transmitter local port or at the receiver.  
• Check that both units are powered.  
• Make sure the cable is terminated correctly.  
• Is the display device powered on and functioning?  
• Power on units in sequence (display, receiver, transmitter, video  
source).  
• Display may not be correctly identified by source device. See  
Appendix E for DDC communication issues.  
Problem:  
Solution:  
Video signal is poor.  
See Appendix C for changing compression mode.  
• Check all cable connections.  
• The video signal’s refresh rate may be set too high. Reset to a  
lower refresh rate in your monitor-configuration menu.  
• In 1080P mode, the PC graphics card needs to be set to  
reduced clock rate mode. Contact the graphics card  
manufacturer.  
Figure 3-3. Dual daisychainable receiver connections on the AC1102A.  
4.2 Calling Black Box  
If you determine that your Multi DVI System is malfunctioning, do not  
attempt to alter or repair it. It contains no user-serviceable parts. Contact Black  
Box at 724-746-5500.  
Before you do, make a record of the history of the problem. We will be able to  
provide more efficient and accurate assistance if you have a complete description,  
including:  
• the nature and duration of the problem.  
• when the problem occurs.  
• the components involved in the problem.  
• any particular application that, when used, appears to create the problem or  
make it worse.  
4.3 Shipping and Packaging  
If you need to transport or ship your Multi DVI System:  
• Package it carefully. We recommend that you use the original container.  
• If you are shipping the Multi DVI System for repair, make sure you  
include everything that came in the original package. Before you ship, contact  
Black Box to get a Return Authorization (RA) number.  
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APPENDIX A:Cabling Pinouts  
MULTI DVI SYSTEM.  
Appendix B. Status LED’s  
The Multi DVI System feature “status-at-a-glance” LED’s to ensure the units are functioning  
properly and to isolate problems with input signals, units, and/or cabling thus saving time during  
installation and troubleshooting. Reference the following tables for information on theses  
indicators. The UTP connector also contains LED indicators on either side to provide visual cues  
on connection and traffic status.  
Appendix A. Cabling Pinouts  
Table A-3. T568B CAT5 pinout  
Link Status LED’s  
LED  
1
Meaning  
Normal Operation == OFF  
ON == EXCEPTION—a serious problem has occurred with  
the unit. Contact Technical Support.  
2
Normal Operation == ON  
ON == Active DVI signal detected from source for transmitter  
side OR Active DVI display detected if receiver side  
3
4
Normal Operation == ON  
Indicates active link between transmitter and receiver  
Normal Operation == ON  
Indicates video packet transmission between transmitter and  
receiver  
Multi DVI RJ45 UTP status Indicators:  
Left Side LED should blink when data is  
sent between transmitter and receiver. If  
no blinking occurs, check DVI signal  
input from the video source.  
Right Side LED should be ON when  
communication is established between a  
transmitter and receiver. If it is off,  
check cabling between the units.  
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APPENDIX C:Compression Mode  
MULTI DVI SYSTEM.  
APPENDIX D. DDC Modes  
Appendix C. Compression Mode  
The Multi DVI System features the ability to send DDC display identifiers to the  
video source in order to determine display capabilities. The DDC is a data  
communication channel used in plug and play devices to accurately report a  
displays capabilities and identify the manufacturer. If this data is not available,  
the video source may revert to a low resolution or not display at all.  
The Multi DVI System features two video compression modes to enable high resoluiotn  
video extension over long distances. Compression modes may be changed with a  
simple jumper setting accessible through the front cover. All units must be set to the  
same compression mode for proper operation.  
The Multi DVI features the ability to report a Universal Display (MRI Magic  
Display) that supports most popular VESA standards in standard or  
widescreen formats as well as the ability to clone an actual displays DDC  
information that is attached to either the local DVI output of the transmitter or a  
receivers DVI output.  
The two modes are:  
Pixel Compression mode. Suitable for static non motion content. DEFAULT  
Jumper J10 IN  
The various modes are detailed below:  
Color Compression mode. Suitable for moving content such as DVD movies.  
Jumper J10 OUT  
Mode 1: Universal Display (MRI Magic Display) (DEFAULT)  
This mode reports a generic display supporting popular screen  
formats and is suitable for most if not all display types.  
To change the compression mode, remove the compression mode jumper access  
cover on the front of the Multi DVI unit and remove or install a jumper on J10  
underneath  
Mode 2: Clone DDC from DVI Output of transmitter  
This mode copies the DDC from a display attached to the local output  
of the transmitter.  
Mode 3: Clone DDC from receiver (first one if using daisychain options)  
This mode copies the DDC data from a display attached to the  
receiver (first receiver if a daisychain mode is in use).  
To change modes requires internal jumpers to be changed. See Figure E-1 for  
jumper locations (settings are stored in non-volatile RAM and are not lost when  
power is removed):  
Mode 1: To restore, install jumper J20 while transmitter is power on. No other  
cable connections need to made.  
Mode 2: To clone DDC from a display connected to the local DVI output of the  
transmitter, Install a jumper on J9 and J20 while transmitter is  
powered off, then connect the display to the transmitter and power it  
on. Remove J20 while transmitter is powered on and leave J9 in. The  
video source does not need to be connected.  
Mode 3: To clone DDC from a display connected to the DVI output of the  
receiver, remove jumper on J9 , ensure J20 is in while transmitter is  
powered off, then connect the display to the receiver and the receiver  
to the transmitter and power everything on. Remove J20 while  
transmitter is powered on and leave J9 off. The video source does  
not need to be connected.  
Figure C-1. Compression Mode Jumper Access  
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APPENDIX D:DDC modes  
MULTI DVI SYSTEM.  
APPENDIX D. DDC Modes  
Appendix E. Rackmounting Units  
The Rackmount Kits include brackets for mounting a transmitter, receiver, or a dual  
daisychainable receivers in a 19 rack. Figure F-1 shows the 2-Unit Rackmount  
Bracket (AC1011), which holds three units in a 19" x 1U rack.  
Not shown are brackets for 6 units . The 6-Unit Transmitter/Receiver Bracket  
(AC1012) is like the AC1011 but occupies 2U of space instead of 1U in a 19" rack,  
stacking 3 units atop 3 units.  
DDC Mode Jumper  
Locations J20 and J9  
Figure E-1. Mounting with the AC1011 kit.  
Figure D-1. Jumper locations to change DDC Mode.  
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MULTI DVI SYSTEM.  
NOTES  
NOTES  
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