
Technical Support:
Telephone (818) 772-9100
(800) 545-6900
Fax (818) 772-9120
Technical Support Hours:
8:00 AM to 5:00 PM Monday thru Friday.
Write To:
Gefen Inc.
c/o Customer Service
20600 Nordhoff St
Chatsworth, CA 91311
www.gefen.com
support@gefen.com
Notice
Gefen Inc. reserves the right to make changes in the hard ware, packaging and
any accompanying doc u men ta tion without prior written notice.
USB Extender is a trademark of Gefen Inc.
© 2008 Gefen Inc., All Rights Reserved
All trademarks are the property of their respective companies
ASKING FOR ASSISTANCE

CONTENTS
I1. ntroduction / Operation Notes
F2. eatures
S3. ender Panel Descriptions
R4. eceiver Panel Descriptions
Connecting And Operating The 5. EXT-GEF-USB
S6. pecifi cations
Warranty7.

Congratulations on your purchase of the EXT-GEF-USB. Your complete
satisfaction is very important to us.
Gefen
Gefen delivers innovative, progressive computer and electronics add-on solutions
that harness integration, extension, distribution and conversion technologies.
Gefen’s reliable, plug-and-play products supplement cross-platform computer
systems, professional audio/video environments and HDTV systems of all sizes
with hard-working solutions that are easy to implement and simple to operate.
The Gefen EXT-GEF-USB
The Gefen USB Extender extends any USB device up to 150 feet from the
location of your computer, eliminating the 16.5 feet distance limitation of USB.
The Gefen USB sender and receiver units use one CAT-5 cable for extension.
It is optimized for applications where two devices, such as the keyboard and
mouse, must be operated remotely. The Gefen USB extender can even be used
to extend surveillance cameras for security purposes.
How It Works
The Gefen USB 1.1 extender sender unit is connected to the computer using the
supplied USB cable. The remote peripheral(s) are connected to the receiver unit.
A category-5 (CAT-5) cable is used to link the sender to the receiver.
READ THESE NOTES BEFORE INSTALLING OR
OPERATING THE EXT-GEF-USB
Use industry standard CA T-5, CAT5e or CAT-6. Gefen recommends using solid •
core cabling for maximum performance.
Each cable run must be one continuous run from one end to the other. No •
splitters or use of punch down blocks.
The USB Extender is USB 1.1 compliant•
The USB Extender can extend USB a maximum of 150 ft (45m)•
1
OPERATION NOTES
INTRODUCTION

2
Features
Extends any USB 1.1 device up to 150 feet (45 meters) using CAT-5, CAT-•
5e or CAT-6 cable
Provides support for any full-speed 12 Mb/s or low-speed •
Use either PC or Mac with USB keyboard/mouse•
Package Includes
(1) Gefen USB Extender sender unit
(1) Gefen USB Extender receiver unit
(1) 6 feet USB cable (A-B)
(1) Locking 5V DC Power Supply
(1) User Manual
FEATURES

3
Front Panel
Back Panel
Power LED
Indicator
Locking 5V DC
Power Input
USB B
Input
RJ-45 Port
SENDER PANEL DESCRIPTIONS

4
Front Panel
Back Panel
Power LED
Indicator
USB A
Inputs
RJ-45 Port
RECEIVER PANEL DESCRIPTIONS

5
How to Connect the EXT-GEF-USB
Connect the computer to the USB Extender sender unit using the supplied USB 1.
A to B cable.
Connect USB peripherals to the USB Extender receiver using user/device 2.
supplied USB cables.
Connect the USB Extender sender and receiver units together with a user 3.
supplied CAT-5, CAT-5e or CAT6 cable.
NOTE: If fi eld terminating RJ-45 cables, please adhere to the TIA/EIA-568-B
specifi cation. Please see the NETWORK CABLE WIRING DIAGRAM on page 6
for more details.
Plug the included 5V DC power supply into the USB Extender sender unit. 4.
Once the power has been connected, both Power LED’s on the sender and
receiver unit should be lit.
CONNECTING AND OPERATING THE EXT-GEF-USB

6
USB device support: .................................. Full-Speed 12 Mb/s Low-Speed 1.5 Mb/s
USB Input Connectors: ................................................................................ T ype B
USB Output Connectors: ............................................................................. Type A
Link Connector: ............................................................................. RJ-45 Shielded
Dimensions: ................................................................................ 3.5” W x 1” H x 1” D
Shipping Weight: ........................................................................................... 2 lbs.
SPECIFICATIONS