StarTech.com USBthere USB221EXT User manual

USBthere 1 Port 165 ft. (50m) Multi-
Speed USB 2.0 Extender
Instruction Manual
USB221EXT

USB221EXT Instruction Manual
Thank you for purchasing the USB221EXT. Please read this guide
thoroughly before installation.
FCC Radio Frequency Interference Statement Warning
The USB221EXT has been tested and found compliant with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
when installed and operated in a commercial environment. The USB221EXT
generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with this user guide, may cause harmful interference
to radio communications. Operation of the USB221EXT in a residential area
is likely to cause harmful interference in which case the user will be required
to correct the interference at his own expense.
CE Statement
We, StarTech.com, declare under our sole responsibility that the
USB221EXT, to which this declaration relates, is in conformity with
European Standard EN 55022/A1 Class A, and EN 50082-1 (IEC 801-2,
IEC 801-3, IEC 801-4)
IC Statement
This Class A digital apparatus complies with Canadian ICES-003.
©2005 StarTech.com. All rights reserved. StarTech.com, the StarTech.com
logo, and the StarTech.com products referred to herein are either the
trademarks or the registered trademarks of StarTech.com. All other
trademarks are property of their respective owners. StarTech.com assumes
no responsibility for errors that may appear in this manual. Information
contained herein is subject to change without notice.

USB221EXT Instruction Manual

Introduction……………………………………………………………… 1
Contents………………………………………………………………….. 1
About the USB221EXT………………………………………………….. 2
Before You Begin………………………………………………………... 6
Installation……………………………………………………………….. 6
Troubleshooting………………………………………………………….. 9
Specifications……………………………………………………………. 11
Technical Support………………………………………………………... 12
Warranty Information……………………………………………………. 12

USB221EXT Instruction Manual
1
Introduction
This manual is intended to assist IT professionals install the USB221EXT .
The instructions in this guide assume a general knowledge of computer
installation procedures, familiarity with cabling requirements, and some
understanding of USB devices.
NOTE :Notes give additional information that could make installation
easier.
USB221EXT Product Contents
When you open your USB221EXT for the first time you should find the
following items:
USB221EXT User Guide
Local unit
Remote unit
AC power adapter (2)
USB cable (2m long)
To complete the installation, you will also require the following items that
are not included with the product:
USB 2.0 compatible computer
USB device
Category 5 Unshielded Twisted Pair (UTP) cable with two RJ45
connectors (if using surface cabling),
OR,
Category 5 UTP cabling with two information outlets and two
Category 5 UTP patch cords with RJ45 connectors (if using
premise cabling)
NOTE : The maximum length of the Category 5 UTP cable, including patch
cords, must not exceed 165 feet (50m).
NOTE : Use only the AC adapters supplied with the USB221EXT. Use of
substitute adapters may cause permanent damage to the system and
will void the warranty.

USB221EXT Instruction Manual
2
About the USB221EXT
The USB221EXT incorporates StarTech.com’s USBthere technology. This
technology breaks the five-meter distance barrier for the connection of USB
peripheral devices and allows users to enjoy the benefits of USB technology
beyond the desktop. With the USB221EXT, USB devices can be located up
to 165 feet (50 meters) from the host computer.
The USB221EXT is composed of two individual units; the Local unit and
the Remote unit.
The Local unit
The Local unit connects to the host computer using a conventional
USB cable. Depending on your needs, it also connects to a power
outlet through an AC power adapter.
Front
View
1
2
5
64
3
1Host LED
2Host Port (USB Type B)
3Link LED
4Link Port (RJ45)
5Power LED
6Power connector

USB221EXT Instruction Manual
3
The Remote unit
The Remote unit connects to the USB device using a conventional
USB cable. Depending on your needs, it also connects to a power
outlet through an AC power adapter. The Remote unit allows you to
connect one USB device.
Front
View
2
1 3
4
Rear
View
6
5

USB221EXT Instruction Manual
4
1Link LED
2Link Port (RJ45)
3Power LED
4Power connector
5Device LED(s)
6Device Port(s) (USB Type A)
Network Cabling
The Local unit and Remote unit are interconnected by up to 165 feet
(50 meters) of Category 5 Unshielded Twisted Pair (UTP) cabling.
The UTP cabling must have a straight-through conductor
configuration, with no crossovers, and must be terminated with 8-
conductor RJ45 connectors at both ends.
Category 5 cable
USB USB
Local
Remote
cable cable(s) USB
device(s)
computer
AC power adapters
NOTE :Category 5 UTP cabling is the standard data communications cable
installed in most commercial and some residential buildings.
USB Cables
USB cables have two distinct connectors. The Type A connector is used to
connect the cable from a USB device to the Type A port on a computer or
hub. The Type B connector is used to attach the USB cable to a USB device.
USB Type A
port
USB Type A
connector
USB Type B
port
USB Type B
connector
Compatibility
The USB221EXT complies with USB 2.0 specifications governing the
design of high-speed USB devices. However, StarTech.com does not

USB221EXT Instruction Manual
5
guarantee that all high-speed USB devices are compatible with the
USB221EXT.

USB221EXT Instruction Manual
6
Before You Begin
Before you can install the USB221EXT, you need to prepare your site.
1. Determine where the host computer is to be located and set up the
computer.
2. Determine where you want to locate the USB device(s).
3. If you are using surface cabling, ensure you have enough Category
5 UTP cabling to connect the two locations.
OR
If you are using premise cabling, ensure Category 5 UTP cabling is
installed between the two locations, with Category 5 information
outlets located near both the computer and the USB device.
Installing the Local unit
1. Place the Local unit near the host computer.
2. Plug the power adapter into a suitable AC outlet.
3. Connect the power adapter to the Local unit.
4. Plug the Type B connector on the USB cable (included) into the
Host port on the Local unit.
5. Plug the Type A connector on the USB cable into the USB port on
the computer.
NOTE : The host computer must be equipped with an EHCI (USB 2.0) host
controller. Support for OHCI/UHCI (USB 1.1) host controllers is
not provided.
Installing the Remote unit
1. Place the Remote unit near the USB device.
2. Plug the power adapter into a suitable AC outlet.
3. Connect the power adapter to the Remote unit.
Connecting the Local unit to the Remote unit
NOTE :To ensure proper operation, we recommend that only Category 5 or
better, Unshielded Twisted Pair (UTP) cabling be used to connect