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Muxlab VGA Balun User Manual

Specifications

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8495 Dalton Road, Mount Royal, Quebec, Canada. H4T 1V5

Tel: (514) 905-0588 Fax: (514) 905-0589

Toll Free (North America): (877) 689-5228

E-mail: [email protected] URL: www.muxlab.com

© MuxLab Inc.

94-000281-F

SE-000201-F

Specifications

Environment

VGA. VESA VP&D 1.0, VIP ver 2.0

Devices

VGA monitors, laptops, LCD projection screens, PCs

Transmission

Transparent to the user

Bandwidth

DC to 60 MHz

Input Signals

Video: 1.1 Vp-p. Horiz & Vert Sync: TTL standard. 300kHz max.
bandwidth

Insertion Loss

Less than 3 dB per pair over the frequency range

Common Mode Rejection Ratio
(CMRR)

15 kHz

-60 dB max.

100 kHz to 10 MHz

-40 dB max.

100 MHz

-20 dB max.

Video Signal Return Loss

-15 dB max from DC to 60 MHz

Video Differential Gain

±2%

Video Differential Phase

±2%

Connectors

RJ45 shielded
500010: DB15 HD Plug & 6” lead (connects to VGA output of PC)
500011: DB15 HD Receptacle (connects to VGA input of monitor)
500014: DB15 HD Plug & 6” lead (connects to VGA input of monitor)

Max. Distance via
Cat 5E/6 UTP/STP Cable

640x480 pixels (15 MHz):

450 ft (137 m)

800x600 pixels (30 MHz):

350 ft (107 m)

1024x768 pixels (60 MHz):

250 ft (76 m)

1280x1024 pixels (100 MHz): 200 ft (61 m)

RJ45 Pin Configuration
Reverse Polarity Sensitive

R Video (Red)

Pin 1 (+)

Pin 2 (-) balanced

G Video (Green)

Pin 4 (+)

Pin 5 (-) balanced

B Video (Blue)

Pin 7 (+)

Pin 8 (-) balanced

Horiz Sync

Pin 3

Vert Sync

Pin 6

Horiz. & Vert Sync Return: STP cable: Shield. UTP cable: NC
+5 VDC

Not connected

ID0

Not connected

SDA

Not connected

SCL

Not connected

Cable

In order to ensure a common signal ground between the VGA Baluns,
shielded Cat 5E/6 twisted pair (STP) cable terminated on shielded RJ45
plugs at both ends is highly recommended.

Impedance

Input: RGB 75 ohms (DB15 HD) unbalanced
Output: RGB 100 ohms (RJ45 shielded) balanced

Temperature

Operating: 0° to 55°C
Storage: -20° to 85°C
Humidity: Up to 95% non-condensing

Enclosure

ABS fire retardant plastic

Dimensions

2.40” x 2.25 x 1.00” (6.10 x 5.72 x 2.54 cm)

Mounting

Freestanding. Separate Velcro mounting pad included

Warranty

Lifetime

Order Information

500010

VGA Balun, PC Side, DB15 HD Plug

500011

VGA Balun, Monitor Side, DB15 HD Receptacle

500014

VGA Balun, Monitor Side, DB15 HD Plug

VGA Balun

500010, 500011 & 500014

Quick Installation Guide

Overview
The VGA Balun allows VGA video signals to be transmitted up to 450 ft (137 m) via a 4-pair Cat
5E/6 twisted pair cable for more cost-effective and versatile cabling. Used in pairs, the VGA Balun
eliminates costly and bulky VGA cables, enabling VGA monitors to be connected at extended
distances from the PC via standard Cat 5E/6 twisted pair cable. Used in pairs, one VGA Balun
(500010) connects to the VGA source (i.e. output) and one VGA Balun (500011 or 500014)
connects to the VGA destination (i.e. monitor input). The VGA Balun transmits the RGB video,
horizontal and vertical synchronization pulses. Since the VGA Balun is a passive device and uses
only 8 wires, it does not support VGA handshaking/control signals.

In order to ensure reliable signal continuity between the equipment, it is recommended to use
shielded twisted pair (STP) cable terminated with shielded RJ45 connectors.

Applications
The VGA Balun allows pre-existing twisted pair cable to be used in such applications as classroom
video distribution, overhead projector systems, PC-training systems, and tradeshow PC-demo
systems.