Black Box AVSP-DVI1X8 Especificaciones descargar pdf (Pagina 35)

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Analog Video Extenders | Video Infrastructure

■

For product details, see the page listed.

Buyer’s Guide

Analog Extenders

Black Box Explains

Alternatives to analog video cable extension.

Extending video long distances isn’t often 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 conduits 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 distances much farther 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 the

MediaCento RF that 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 high-definition MediaCento RF

channel, so no set-top box or other piece of hardware is required.

Standard

Solution/Description

Max. Resolution

Media

Max. Distance

Audio

Serial

Code

Specific Component

VGA

(Cont.)

VGA/Audio Fiber

Extenders

For transmitting VGA and

stereo audio signals over a

single strand of fiber;

models available with

loopthrough video and

audio ports, and for

transmitting point to

multipoint.

1920 x 1080:

VGA,

1080i: HD 1080i

(RGBHV only)

SM/MM

fiber

SM: 30 km,

MM: 750 m

• —

AC1021A-XMIT

Transmitter, VGA/Audio/(1) ST

, p. 39

SM: 30 km,

MM: 750 m

• —

AC1022A

Transmitter, VGA/Audio Loopthrough/

(4) ST

, p. 39

SM: 30 km,

MM: 750 m

• —

AC1021A-REC Receiver, VGA/Audio/(1) ST

, p. 39

SM: 30 km,

MM: 750 m

• —

AC1023A Receiver, 1 x 4 VGA/Audio/(1) ST

, p. 39

SM: 30 km,

MM: 750 m

• —

AC1020A

Extender Kit,

p. 39

S-Video/

Composite/

Component

Universal Video/Stereo

Audio Fiber Extender

Extender for transmitting

various analog video

formats and stereo audio

over a single fiber.

480p: HD

(but also

supports

1080i/720p

HDTV on BNC)

MM fiber

SM: 60 km

• —

AC300A-TX-R2

Transmitter

p. 39

SM: 60 km

• —

AC300A-RX-R2

Receiver

p. 39

Multiple

on BNC

coax

FiberPath

Fiber extender for

transmitting all standard

formats, including NTSC,

PAL, and SECAM.

—

MM fiber

2.4 km

——

AC444A

FiberPath Kit

p. 39

VGA/

Component

MediaCento

™

RF coax-based extension of

HD video and audio via an

HDTV QAM channel.

1920 x 1080:

VGA,

1080i: HD

Coax — • —

AVX-VGA-RF

1080i RF Extender, p. 39

1680 x 1050:

VGA,

720p: HD

Coax — • —

AVX-VGA-RF44

720p RF Extender, p. 39

Component

Mini CAT5 Component

Extenders

CATx-based extender kits

for Component video.

1920 x 1440:

VGA,

1080p: HD

CATx

500 ft.

——

AC504A-CP

Extender Kit, p. 38

Component VIdeo

Extender

CATx-based Component

video extender (optional

8-port splitter available).

1080p: HD

CATx

500 ft. — —

AC651A

Extender Kit, p. 41

S-Video/

Composite

Video CCTV–A/V Hub

8-channel CATx-based hub

for communicating with

remote baluns (required).

S-Video: 576i;

Composite: 480i

CATx

2500 ft. • —

IC445A

Video CCTV–A/V Hub, p. 41

PLUS see our selection of audio and video baluns on pages 41 – 43.

Baluns are compact devices that enable you to connect a balanced line, such as twisted pair, to an unbalanced line,

such as coax cable, for economical AV, CCTV, and CATV extensions. On pages 41 – 43, we offer versions for extending

high-resolution video and digital or analog audio over CATx cable, baluns for transmitting S-Video and audio signals

over CAT5, baluns for extending Component or single-signal Composite video equipment, and others.

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