Black Box AC640A Bedienungsanleitung

Use ordinary shielded twisted-pair cable

to connect a PC video source to a display device

up to 450 feet (137.2 m) away.

Use ordinary shielded twisted-pair cable

to connect a PC video source to a display device

up to 450 feet (137.2 m) away.

VGA Baluns and Keyboard/Mouse Baluns

FREE 24-hour Tech Support: 724-746-5500

blackbox.com

2 of 3

FEATURES

• Suitable for use in classrooms or

meeting rooms.

• Require inexpensive twisted-pair

cable instead of standard VGA cable.

• Video baluns extend the distance up

to 450 feet (137.2 m) between a CPU,

keyboard, and mouse and a display

monitor.

• Keyboard/Mouse Baluns connect a

keyboard and mouse up to 350 feet

(106.7 m) away from a CPU and display

monitor.

Two options for video display and control.

OVERVIEW

Link a PC’s video output to a display device located up to

450 feet (137.2 m) away using CAT5 shielded twisted-pair cable.

Or use CAT5 unshielded twisted-pair cable (UTP) to connect a

PS/2®keyboard and mouse up to 350 feet (106.7 m) away from

your CPU and display monitor.

VGA Baluns and Keyboard/Mouse Baluns are perfect for

classrooms, digital signs, and presentations. They use readily

available and inexpensive CAT5 cable. And no power supply is

required because the baluns and extenders derive ultra-low

power from the interface.

In a digital sign application in an auditorium, you can control

the video source at the back of the room and the video sign

display at the front of the room. In a classroom application,

you can control the keyboard and mouse at the back of

the room, while your partner controls the video source

and display at the front of the room.

The VGA Baluns must be used in pairs. The VGA Source

Balun (AC640A) connects to the local source (the CPU),

and the VGA Display Balun (AC641A or AC642A) links to

the remote display.

The Keyboard/Mouse Baluns must also be used in pairs.

The local unit (AC643A) connects to the CPU. The remote

unit (AC644A) connects to the keyboard and mouse.

Keyboard/Mouse

Balun, Local

(AC643A)

Keyboard/Mouse

Balun, Remote

(AC644A)

CPUMonitor Keyboard and

mouse ports Keyboard

Mouse

Typical application using VGA Baluns.

Typical application using Keyboard/Mouse Baluns.

2/16/2007

#26523

724-746-5500 blackbox.com

VGA Source Balun

(AC640A)

VGA extension up to 450 ft. (137.2 m)

over CAT5 STP

Keyboard and mouse extension up to

350 ft. (106.7 m) over CAT5 UTP

Keyboard

Mouse

Monitor

VGA Display Balun

(AC641A or AC642A)

3 of 3

TECH SPECS

Bandwidth — AC643A–AC644A: DC to 1 MHz

Cable — AC640A–AC642A: Shielded CAT5 twisted-pair (STP) or better;

AC643A–AC644A: Unshielded CAT5 twisted-pair (UTP) or better

Distance (Maximum) — AC640A–AC642A: Over CAT5 STP:

VGA: 450 ft. (137.2 m) using 640 x 480 @ 15 MHz;

SVGA: 350 ft. (106.7 m) using 800 x 600 @ 30 MHz;

XGA: 250 ft. (76.2 m) using 1024 x 780 @ 60 MHz;

SXGA: 200 ft. (61 m) using 1280 x 1024 @ 100 MHz;

AC643A–AC644A: Over CAT5 UTP: 350 ft. (106.7 m)

Enclosure — AC643A–AC644A: ABS fire-retardant plastic

Pinning Configuration — AC643A–AC644A: Reverse polarity sensitive;

use T568A or T568B straight-pinned wiring;

Mouse: Ring: Pins 1 and 3; Tip: Pins 2 and 6;

Keyboard: Ring: Pins 4 and 7; Tip: Pins 5 and 8

Signals — AC643A–AC644A: Mouse data, mouse clock, keyboard data,

keyboard clock, Vcc, ground

Transmission — AC643A–AC644A: Transparent

Connectors — AC640A, AC642A: (1) shielded RJ-45, (1) HD15 M on 6"

(15.2-cm) lead;

AC641A: (1) shielded RJ-45, (1) HD15 F;

AC643A: PC: (2) 6-pin mini-DIN M on 6" (15.2-cm) leads;

Cable: (1) RJ-45;

AC644A: Keyboard/mouse: (2) 6-pin mini-DIN F;

Cable: (1) RJ-45

Size — AC640A–AC642A: 1"H x 2.4"W x 2.3"D (2.5 x 6.1 x 5.8 cm);

AC643A: 1.9"W x 1" diameter (4.8 x 2.5 cm) with (2) 6" (15.2-cm)

PS/2 cable leads;

AC644A: 1"H x 2.4"W x 2.4"D (2.5 x 6.1 x 6.1 cm)

Weight — Each unit: 0.1 lb. (<0.1 kg)

2/16/2007

#26523

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 Communications

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.

724-746-5500 blackbox.com

Item Code

VGA Source Balun AC640A

VGA Display Baluns

Female AC641A

Male AC642A

Keyboard/Mouse Baluns

Local AC643A

Remote AC644A

You might also need…

VGA Extender AC555A

CAT5 Solid-Conductor Cable (UTP), 100-MHz, 24 AWG,

4-Pair, T568B, PVC, NEC®, CMR, Straight-Pinned

EYN737MS

AC644A

AC643A

AC640A

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