
Analog Video Extenders
Buyer’s Guide
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Analog Extenders
Standard
Solution/Description
Max. Resolution
Media
Max. Distance
Audio
Serial
Specific Component
VGA
(Cont.)
Mini CATx VGA
Extenders with Video
Equalization Adjustment
Budget-friendly, line-
powered VGA extenders
with video equalization and
gain control.
1920 x 1200:
VGA,
1080p: HD
CATx
500 ft.
— —
Extender Kit (VX-VGA520-K)
Standalone Tx Only (VX-VGA520-TA)
Standalone Rx Only VX-VGA520-RA)
Wallplate Tx Only (VX-VGA520-TB)
Wallplate Rx Only (VX-VGA520-RB)
VGA/Audio Fibre
Extenders
For sending VGA and
stereo audio over one fibre
strand; models available
with loopthrough video
and audio ports, and for
transmitting point to
multipoint.
1920 x 1080:
VGA,
1080i: HD 1080i
(RGBHV only)
SM or
MM
fiber
SM: 30 km,
MM: 750 m
• —
Tx, VGA/Audio/(1) ST
®
(AC1021A-XMIT)
• —
Tx, VGA/Audio Loopthrough/(4) ST
(AC1022A)
• —
Rx, VGA/Audio/(1) ST (AC1021A-REC)
• —
Rx, 1 x 4 VGA/Audio/(1) ST (AC1023A)
• —
Extender Kit (AC1020A)
SDI
3G-SDI Fibre Extender
Kit for extending 3G-SDI
video extra distances
over a single strand of
secure single-mode fibre.
1080p at
4/30/59.94/
60 Hz
SM or
MM fiber
10 km
• — Extender Kit (VX-SDI-FO-10KM)
S-Video/
Composite/
Component
Universal Video/Stereo
Audio Fibre Extender
Extender for transmitting
various analog video
formats and stereo audio
over a single fibre.
480p: HD
(but also
supports
1080i/720p
HDTV on BNC)
MM or
SM fiber
SM: 60 km
• —
Tx (AC300A-TX-R2)
• —
Rx (AC300A-RX-R2)
Multiple
on BNC
coax
Fibre Path
Fibre extender for
transmitting all standard
formats, including NTSC,
PAL, and SECAM.
—
MM fiber
2.4 km
— — Extender Kit (AC444A)
VGA/
Component
MediaCento
™
RF
RF coax-based extension of
HD video and audio via an
HDTV QAM channel.
1920 x 1080:
VGA,
1080i: HD
Coax — • —
1080i RF Extender (AVX-VGA-RF)
1680 x 1050:
VGA,
720p: HD
Coax — • —
720p RF Extender (AVX-VGA-RF44)
Component
Mini CAT5 Component
Extenders
CATx-based extender kits
for Component video.
1920 x 1440:
VGA,
1080p: HD
CATx
500 ft.
— —
Extender Kit (AC504A-CP)
Component VIdeo
Extender
CATx-based Component
video extender.
1080p: HD
CATx
500 ft. — —
Extender Kit (AC651A)
For product details, see the following pages in this section (also be sure to see the Legacy Solutions section).
Black Box Explains
Alternatives to analog video cable extension
e
Extending video long distances often isn’t possible or practical using
standard VGA or coax cabling. With Composite, Component, and other
analog video cabling, frequency losses result in deteriorated video quality.
Generally, with these cables, the shorter distance the better.
Extenders that extend analog video over UTP copper or fiber cable
solve this problem, enabling you to use backbone or horizontal wiring for
long-distance extensions. Depending on the extender model, video input
can be VGA, Component, S-Video, Composite, or BNC coax. They’re
a great alternative to using analog video or coax cables, which often
can’t be easily pulled through tight spaces and can be more difficult to
terminate. What’s really nice is, in most buildings, copper or fiber cabling
is already installed to service data communications.
Fiber-based extenders provide higher bandwidth and interference-free
extensions at greater distances than copper-type CATx extenders.
But there‘s the matter of cost. CATx extenders that use cabling and
connectors cost considerably less than fiber cabling components.
Another thing to consider: Coax- or VGA-cabled extension installations
usually require a separate RS-232 or other line for transmitting the control
signal for the display — yet another cable to fit into the conduit. CATx
cable, however, delivers both the video and control signals through a
single transmission medium.
But what if you have long runs of coax installed? An extender like
our MediaCento RF, which uses low-cost RF cabling to broadcast video
to remote HDTV screens, may be the answer. Supporting both VGA
and Component video source input, the MediaCento RF encodes and
modulates signals for single-channel RF transmission over existing coax
wiring. The QAM tuner at the screen enables the reception of the HD
MediaCento RF channel, so no set-top box or other hardware is required.
49
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