BAFO BF-400
USER’S MANUAL
4 PORT USB HUB
BF-400
1. Introduction
Congratulations on your purchase of the 4-port USB hub. This hub allows you to
attach your computer and USB devices such as Digital Camera, Scanner, Mouse,
Keyboard, etc. through USB port. It will then make your work more efficient and more
flexible.
2. Package Content
§ Hardware: 4-port USB hub, AC/DC adapter, 6 feet USB A to B type Cable
§ User’s Manual
3. Product Features
§ USB specification revision 1.1 compliant
§ Tiered star topology supports u p to 6 tiers and 127 devices, reliable transmission
for 5 meter USB cable segment
§ Two power modes: Self-powered mode & Bus-powered mode
§ Protection against current overload
§ Support full -speed 12Mbps and low-speed 1.5Mbps operation
§ Warning LED indicator for fault or dummy USB port status
§ Fully compatible with all USB devices
4. System Requirements
PC
§ IBM PC 486DX4-100 MHz or higher or compatible system
§ Available USB port
§ CD-ROM drive
§ Windows® 95 OSR2.1, Windows® 98, Windows® ME, Windows® 2000
MAC
§ Power G3, G4, or I-Mac
§ Available USB port
§ CD-ROM drive
§ Mac OS 8.6 or higher
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5. Hardware Installation
There are two modes (Bus-powered mode and Self-power mode) for install USB hub.
5.1 Bus-powered Mode: following steps to install the USB hub:
5.2 Power on your computer and take A to B USB cable.
5.3 Plug B type connector into the USB hub, and then plug A type connector into
USB host (PC or Mac).
5.4 Connect low power USB devices (such as mouse, keyboard) to the USB hub; the
USB devices will be detected by the system.
5.5 If USB host cannot find attached USB devices, skip to “Slef-power Mode”
section below, then number 4 to continue.
5.6 Self-power Mode: following steps to install the USB hub:
5.7 Power on your computer and take A to B USB cable.
5.8 Plug AC/DC power supply to the outlet of USB hub, plug B type connector into
the USB hub, then plug A type connector into USB host (PC or Mac)
5.9 Connect all USB devices (such as digital camera, scanner, mouse, keyboard, etc.)
to the USB hub; the USB devices will be detected by the system.
5.10 If USB ho st cannot find attached USB devices, you need to use “Add new
hardware Wizard” to add the USB hub to your system.
5.11 Follow the instruction on screen to step by step install the hardware to your
system.
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6. Disclaimer
Information in this document is subject to change without notice. The manufacturer
does not make any representations or warranties (implied or otherwise) regarding
the accuracy and completeness of this document and shall in no event be liable for
any loss of profit or any other commercial damage, including but not limited to
special, incidental, consequential, or other damages.
No part of this document may be reproduced or transmitted in any form by any
means, electronic or mechanical, including photocopying, recording or information
recording and retrieval systems without the express written permission of the
manufacturer.
All brand names and product names used in this document are trademarks, or
registered trademarks of their respective holders.
7. FCC Statement
This device generates and uses radio frequency and may cause interference to radio
and television reception if not installed and used properly. This has been tested and
found to comply with the limits of a Class B computing device in accordance with the
specifications in Part 15 of FCC Rules. These specifications are designed to provide
reasonable protection against such interference in a residential installation. However,
there is no guarantee that interference will not occur in a particular installation. If this
device does cause harmful interference to radio or television reception, which can be
determined by plugging the device in and out, the user can try to correct the
interference by one or more of the following measures:
§ Reorient or relocate the receiving antenna.
§ Increase the separation between the device and receiver.
§ Connect the computer into an outlet on a circuit different from that to which the
receiver is connected.
§ Consult the dealer or an experienced radio/TV technician for help.
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