Black Box AC1220A ユーザーズマニュアル

®

update display settings (brightness, contrast, etc.), and even receive 
data from interactive devices such as touch screens. Send RS-232 serial 
data from a media player or other content server to multiple 
daisychained displays and have them report back. 

Choose your receiver(s) depending on the distance you need  

and if you want skew compensation. To eliminate skew on CATx 
cable, simply turn a knob to adjust the skew delay. 

The system also works with a variety of accessories—see the 

ordering information on the next page—although when used in a 
serial extension application with the 1 x 9 Video Distribution Amp, 
transmit-only serial data is supported. 

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  Supports high-resolution 1920 x 1200 VGA  

video as far as 2000 feet (609.6 m) over CAT5  
or higher cable — no boosters or amplifiers 
required.

»

  Enables bidirectional communications  

with individual displays.

»

  Ideal for advanced digital signage and 

interactive display control.

»

  Built-in skew compensation control  

when skew-free UTP cabling isn’t used. 

»

  Daisychainable, enabling you to reach  

up to 12 displays!

With stereo audio or duplex RS-232 serial communications support, 

our CAT5 Video, Stereo Audio, & Pollable Data Distribution System 
gives you more flexibility in your AV distribution or interactive digital 
signage applications. 

It simplifies your extension installation and saves you money by 

eliminating the need for additional CAT5 cables for stereo audio  
and bidirectional serial data.

Along with VGA video, it distributes stereo audio to remotely 

connected speakers and addressable serial data for independent 
control of one or more connected displays. It’s ideal for controlling 
digital signage remotely — turn each display on or off, check and 

OVERVIEW

With the transmitter (AC1220A) and a receiver 

(AC1223A), you don’t need additional CAT5 cables 

for stereo audio and bidirectional serial data.

Rule Size: 0.013

Local Monitor with 

Serial Controls

Source: iCOMPEL

™

 HD Digital 

Signage Appliance (ICOMP02-H)

CAT5 Cable

VGA  

Cables

Serial Cables

Serial Cable

VGA Cable

Remote Monitor  

with Serial Controls

Recognize any of these situations?

•  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 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.

According to a survey by Data Communi cations magazine, 90%  

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.

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.

Why Buy From Black Box? Exceptional Value. 

Exceptional Tech Support. Period.