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OWNER’S MANUAL
Please read before using this equipment.
www.radioshack.com
SM
Thank you for buying a RadioShack High Speed Hub.
Your hub supports a transmission rate of up to 480 Mbps
(megabits per second); 40 times faster than the USB
1.1’s 12 Mbps and the IEEE 1394 firewires’ 400 Mbps
transmission rate. It is fully backward-compatible with USB
Revision 1.1 devices and allows your existing USB
devices to function as usual.
The hub’s USB ports let you connect four USB devices
such as a keyboard, mouse, printer, scanner, or camera
that can all function simultaneously.
By sharing its increased bandwidth, the hub offers high
performance through multiple peripheral device
connections. Peripheral devices requiring high speed
transmission rates, such as external storage devices,
scanners, DVD drives, CD-RW drives, MO (magneto-
optical) drives, digital cameras, and camcorders, normally
require the use of the more expensive firewires (IEEE
1394). The USB 2.0 hub can support these peripherals at
a huge cost savings.
High Speed Hub
26-199
PACKAGE CONTENTS
Ô Note Ô
In order to reach USB 2.0 speed, you must have a computer or host adapter card that
supports USB 2.0. This device automatically senses the speed of your USB port and
adjusts between USB 1.0 and USB 2.0 speed.
Hub
AC Adapter
CAUTION
Use only the supplied 5V DC, 2.5A,
positive (+) Tip AC adapter. Use of any
other power source may cause damage.
FEATURES
INSTALLATION
POWERLED
Host Port — connects to
your computer
Device Ports —
connect to the
peripheral USB devices
Tiered Star Topology — supports
up to 127 USB devices with varying
data speeds from 1.5Mbps (low
speed) to 12 Mbps (full speed), or
480 Mbps (high speed).
Hot Swappable —
lets you add,remove,
install, and configure
peripherals while
your computer is
running.
Plug and Play Function — automatically
senses, installs or configures any USB device
you connect to the computer.
SYSTEM REQUIREMENTS
• Windows 98SE/ME/2000/XP
• PC or notebook with Pentium 233 MMX or
higher and one available USB port
Ô
• Atleast64MBRAM
Plug the supplied AC adapter's barrel plug into 5VDC 2.5A.
CAUTION
•You must use a Class 2
power source that supplies
5 volts DC and delivers at
least 2.5 Amps. Its center tip must
be set to positive and its plug must
fit the USB hub's
5VDC 2.5A jack. The
supplied adapter meets these
specifications. Using an adapter
that does not meet these
specifications could damage the
USB hub or the adapter.
• Always connect the AC adapter to
the USB hub before you connect it
to AC power. When you finish,
disconnect the adapter from AC
power before you disconnect it from
the USB hub.
!
Plug the adapter’s AC plug
into a standard AC outlet.
Connect up to four USB devices to the ports on the front of the USB hub.
The green indicators on the USB’s top panel light if the corresponding
USB ports are ready for use.
Plug the USB cable's connector into the
PC's host port or the upper level hub.
Q: How do I know my USB hub has been installed successfully?
A: Right click My Computer, then left click Properties, then Device
Manager, and then Universal Serial Bus Controller. The four
green LEDs on the front of the USB hub light. If they do not:
1.Go to Device Manager. If you find any error items or unknown
devices, remove them.
2.In Device Manager,clickUniversal Serial Bus Controller.If
there are any error items or unknown devices, remove them.
3.Disconnect and reconnect your USB hub's AC adapter. The four
green LEDs should light.
Q: Why won’t my USB camera (or other USB device) work through
the USB hub?
A: Make sure the driver for the device is installed on your PC, the
device’s power is connected, and the USB hub’s AC adapter is
properly connected. If all three conditions are met and the USB
hub still does not detect the device, disconnect and reconnect
the device to the USB hub.
Q: Why won’t the POWER LED on the top of the USB hub light?
A: When a connected device attempts to draw more current than the
USB hub can handle, the USB hub automatically cuts off power.
Reset the USB hub by disconnecting and reconnecting the USB
device(s).
FREQUENTLY ASKED QUESTIONS
Owner’s Manual
ACCESSORIES
Accessories for your hub are available at your local
RadioShack store. Accessories are also available
online at www.radioshack.com. Accessories are
available but not limited to the following. Visit your
local RadioShack store for a more complete listing
of available accessories.
USB Keyboard USB Mouse
USB Cables USB Scanner
USB CD-RW USB Digital Camera