Black Box Switch 26558 User Manual

Free 24-hour Tech Support: 724-746-5500  
© 2010. All rights reserved. Black Box Corporation.  
HDMI Splitters  
Send HDMI video  
and audio to two, four,  
or more HDTV screens.  
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Technically Speaking  
HDMI  
HDMI offers significant benefits over older analog A/V  
connections. It provides superior video and audio clarity because  
there is no signal loss from digital-to-analog conversions. HDMI  
supports resolutions of 1920 x 1080p and multiple audio formats  
from standard stereo to multichannel surround sound. Plus it  
provides two-way communication between the video source  
and the digital TV, enabling simple, remote, point-and-click  
configurations.  
HDMI is emerging as the connection standard for HDTV  
and the consumer electronics market. Because HDMI transmits  
all signals over one cable, it’s quite desirable for home theater  
electronics and systems. It greatly simplifies the installation  
of home entertainment systems by eliminating the tangle  
of cables running behind the system. It’s also very cost-effective  
because only one cable is needed.  
High-Definition Multimedia Interface (HDMI) is the first digital  
interface to combine uncompressed high-definition video,  
multichannel audio, and intelligent format and command data  
in a single cable.  
The HDMI standard was introduced in December 2002,  
and HDMI 1.2 was released in August 2005. HDMI is supported  
by many leading consumer electronics manufacturers as well as  
motion picture studios, and cable and satellite operators.  
Use this interface to connect audio/video equipment, such as  
DVD players, a set-top box, and A/V receivers with an audio and/  
or video monitor, such as a digital TV over a single cable. HDMI  
supports standard, enhanced, and high-definition video. It has a  
bandwidth of up to 5 Gigabytes so it supports all HDTV standards  
and has bandwidth to spare for future applications.  
HDMI is backward compatible with DVI equipment such as  
PCs, TVs, and other electronic devices using the DVI standard.  
The DVI device simply ignores the extra data.  
AC552A-2  
Why Buy From Black Box? Exceptional Value.  
Exceptional Tech Support. Period.  
According to a survey by Data Communications magazine, 90%  
Recognize any of these situations?  
of network managers surveyed say that getting the technical support  
they need is extremely important when choosing a vendor. But even  
though network managers pay anywhere from 10 to 20% of their  
overall purchase price for a basic service and support contract, the  
technical support and service they receive falls far short of their  
expectations—and certainly isn’t worth what they paid.  
• You wait more than 30 minutes to get through  
to a vendor’s tech support.  
• The so-called “tech” can’t help you or gives  
you the wrong answer.  
• You don’t have a purchase order number  
At Black Box, we guarantee the best value and the best support.  
You can even consult our Technical Support Experts before you buy if  
you need help selecting just the right component for your application.  
Don’t waste time and money—call Black Box today.  
and the tech refuses to help you.  
• It’s 9 p.m. and you need help, but your vendor’s  
tech support line is closed.  
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