Dynex DX-H720P Manuale utente
Model No. DX-H720P
Quick Start Guide
for
USB 2.0 7-Port Hub
This USB Hub makes the most of your computer
and workspace by increasing the number of
available USB ports. There has never been a more
convenient way to expand your USB capacity.
Table of Contents
Thank you for purchasing a Dynex Product.
For optimum performance and safety,
please read these instructions carefully.
Introduction. . . . . . . . . . . . 1
System Requirements . . . 2
Package Contents . . . . . . 2
Product Overview . . . . . . . 4
Installation . . . . . . . . . . . . 6
Appendix A . . . . . . . . . . . . 7
Specifications . . . . . . . . . . 3
Appendix B . . . . . . . . . . . . . . . . 8
Appendix C . . . . . . . . . . . . . . . . 9
Troubleshooting
Radio Interference Statement
Limited LIfetime Warranty
Introduction
USB is currently the
standard for most computers, notebooks and
peripherals. The USB connections allow the
user to easily connect multiple devices. The
Dynex USB 7-Port Hub provides additional ports
to connect up to 7-USB devices to a single USB
port on your computer.
An AC power adapter is included for you to use
the self-powered mode.
The Quick Start Guide contains easy
instructions in order to show you how to set up
and start using your Dynex USB Hub.
(Universal Serial Bus)
1
System Requirements
Package Contents
Any PC or Macintosh computer with an
available USB port and USB-compliant
operating system (Windows 95 OSR 2.0,
Windows 98, Windows ME, Windows 2000,
Windows XP, MacOS 8.1 or later, etc.).
This package includes:
Dynex Model DX-H720P USB Hub
AC Power Adapter
A-B USB cable
User Manual
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2
Specifications
3
SPECIFICATION
Upstream 1
Downstream 7
Power 1
Port Status 7
Self Powered
+5V DC
500mA (max)
5°C ~ 40°C
-20°C ~ 60°C
0 - 80% RH. Noncondensing
Plastic
3.17 oz.
4.439" x 2.5" x 1.0"
Housing
Weight
Dimensions
Storage Temperature
Output Voltage (per port)
Output Current (per port)
Operating Temperature
Humidity
FUNCTION
Ports
LEDs
Power Mode
Product Overview
2
3
54
Model DX-H720P
4
front view
rear view
1
2
2
Product Overview - continued
1) Power Indicator -
2) Downstream Ports -
3) Port Status Indicators -
4) Root (Upstream) Port
5) AC Adapter Power Connection
Blue LED when lit indicates
when USB Hub is receiving power.
Connect your USB devices to
these ports. (Includes 1 Flash Drive port)
Green LEDs indicate port
status and overcurrent detection. When a device is
connected to one of the ports, the associated LED
will illuminate. If an overcurrent condition occurs,
the LED for that port will turn off, indicating a
problem with that device.
Connect your computer to this port to provide a link
between the hub and devices.
Connect your AC power adapter here. This hub
operates in self-powered mode to ensure sufficient
power is provided to connected USB devices.
5
Installation
This USB Hub is a plug and play device. Your
computer will display the “Add New Hardware”
Wizard after connecting the hub to your computer.
1) Connect the A-B cable (included in this
package) to the Upstream port on the USB
Hub, then connect the other end of the cable to
an unused USB port on your computer.
2) Connect your USB devices to the Downstream
ports on the USB Hub.
Installation may be done whether your computer is
powered on or off. It is not necessary to restart
your computer after installation.
if additional power is required for connected USB
devices, plug the DC power adapter into the power
jack, then plug the power adapter into a wall outlet
Please use this USB Hub under Self Powered
Mode..
Self-Powering the Hub:
Note:
6
Appendix A
Troubleshooting
Problem Possible Cause Action
Unit operates
erratically
Static electricity may
cause the hub to
behave erratically.
Reset the hub and
disconnecting it from
Your computer. Wait 5
Seconds, then
reconnect it.
USB devices
operate erratically or
can't be powered
on.
Connected USB
devices may require
too much power for
bus-powered operation
Connect the AC power
adapter to the hub.
Unit fails to operate
at all.
Non-USB compliant
operating system.
Insure that your
computer is fully USB-
compatible and a USB-
compliant operating
system is installed.
(see System
Requirements section)
7
Appendix B
Radio & TV Interference Statement
This equipment has been tested and found to comply
within the limits for a Class B digital device, pursuant
to Part 15 of the FCC rules. These limits are
designed to provide reasonable protection against
harmful interference in a residential installation. This
equipment generates, uses and can radiate radio
frequence energy and if not installed and used in
accordance with the instructions, may cause harmful
interference to radio communications. There is no
guarantee, however, that interference will not occur in
a particular installation.
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