Unixtar Technology USBT71T Users manual

USB HUB

User’s Manual

Table of Contents

1. About this product ………………………………. 1

1.1. Introduction ………………………………………………………………….. 1

1.2. Do’s and Don’t for Usage ……………………………………………………. 1

1.3. Packing List ………………………………………………………………….. 1

1.4. Warranty ……………………………………………………………………... 2

1.5. Features ……………………………………………………………………… 2

1.6. Identification of Features ……………………………………………………. 2

2. Installation ………………………………………... 3

2.1. Location ……………………………………………………………………… 3

2.2. Power Connection …………………………………………………………… 3

3. Connecting ……………………………………….. 3

3.1. Connecting to your Computer ………………………………………………. 3

3.2. Connecting the USB Cable ………………………………………………….. 4

4. Initial Connection ………………………………... 5

5. Trouble Shooting …………………………………. 6

1. About this product

1.1 Introduction

This product confirms to USB Specification Rev. 1.0 and HID class definition
Rev.1.0. It requires at least Windows 95 OSR 2.1 or Windows 98 to operate and
your computer must have a USB port. The HUB topology supports up to 127
physical devices in a tired-star configuration, with each device having a maximum
of 16 end points.

1.2 Do’ s and Don’t for Usage

Here is a short summary of items to pay attention to when using this product :

❒ It is normal for some heat build-up to occur when this product is in use and it

may feel warm to the touch.

❒ Do not open the case, doing so will void the warranty.
❒ Only use the AC adapter supplied with the unit.
❒ If the unit starts emitting unusual smells, sounds, or you observe smoke,

unplug the unit immediately from it’s power supply. Do not continue using
the unit, and contact the place you purchased the unit.

❒ When disconnecting any cable from the unit, please grasp from the plug and

do not pull using the cord section as this may cause damage.

❒ It is recommended that you disconnect the power supply if the unit is not

going to be used for a long period of time.

❒ Do not leave the unit in a location exposed to high humidity, high

temperatures, direct sunlight, excessive dust, or excessive moisture.

❒ Do not touch the unit or cable with a wet hand, as a electric shock is possible.

Should the unit become wet, unplug from it’s power source before handling.

❒ Any modifications done to modify this unit by other than authorized

personnel will void the warranty, and any damage, electric shock, fire, or loss
of function resulting from unauthorized modifications will not be the
responsibility of the manufacturer.

❒ Back-up software data regularly. Any error or loss of data is not guaranteed

when using this product.

❒ Carefully read this manual for the safe purpose before you use this product.

1.3 Packing List

Each unit should include the following parts :

!USB HUB
!AC Adapter
!USB cable
!Instruction manual

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1.4 Warranty

This product is warranted for a period of one year after the date of purchase to be
free of manufacture defects and to operate properly. During the one year period
should a problem occur, please return the unit to the place of purchase, and we will
replace the defective unit.

1.5 Features

❒ This product confirms to USB Specification Revision 1.0 and HID Class

Definition Rev.1.0.

❒ This product is plug and play compatible.
❒ A maximum of 127 devices can be supported.
❒ A maximum 5 meter connection cable can be used between two hubs.
❒ This unit can be self-powered by using the AC Adapter supplied or Bus

powered.

❒ All downstream ports are supported with over current capacity.
❒

Both low speed and high speed devices are supported.

❒ LED displays indicate power on and connection

to each port.

1.6 Identification of Features

■

■

Top Side

① Power LED Red light is lit when power is supplied to the unit.
② LED Green light is lit for each of the all ports when they are

connected and active.

■

Front of the Unit

① Down Stream Ports, USB A-type connector ports connect to USB devices.

Rear of the Unit

② Up Stream Port USB B-type connector port for connect to the PC.
③ Power Socket For the AC Adapter jack connection.

Please note :

! Up Stream means to the PC and Down Stream means to the USB device.
! USB device means, a device that confirms to USB specifications.

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