Askey Computer RT211W Users manual
54Mbps Wireless Access Point
User Manual
2003 All rights reserved. No part of this document may be
reproduced or transmitted in any form or by any means, electronic
or mechanical, for any purpose, without the express written
permission of the seller.
Disclaimer
Information in this document is subject to change without notice.
The material contained herein is supplied without representation or
warranty of any kind. The seller therefore assumes no
responsibility and shall have no liability of any kind arising from the
supply or use of this document or the material contained herein.
Trademarks
Microsoft and Windows are registered trademarks of Microsoft
Corporation. 54g is a registered trademark of Broadcom
corporation. All other trademarks mentioned in this document are
the property of their respective owners.
March 14, 2003 Rev01
F/W:2.02.10
Safety Instructions
For Installation
• Use only the type of power source indicated on the
marking labels.
• Use only the power adapter supplied with the product.
• Do not overload wall outlet or extension cords as this may
increase the risk of electric shock or file. If the power cord
is frayed, replace it with a new one.
• Proper ventilation is necessary to prevent the product
overheating. Do not block or cover the slots and openings
on the device, which are intended for ventilation and
proper operation. It is recommended to mount the product
with a stack.
• Do not place the product near any source of heat or
expose it to direct sunshine.
• Do not expose the product to moisture. Never spill any
liquid on the product.
• Do not attempt to connect with any computer accessory or
electronic product without instructions from qualified
service personnel. This may result in risk of electronic
shock or file.
• Do not place this product on an unstable stand or table.
For Using
• Power off and unplug this product from the wall outlet
when it is not in use or before cleaning. Pay attention to
the temperature of the power adapter. The temperature
might be high.
• After powering off the product, power on the product at
least 15 seconds later.
• Do not block the ventilating openings of this product.
• When the product is expected to be not in use for a period
of time, unplug the power cord of the product to prevent it
from the damage of storm or sudden increases in rating.
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For Service
Do not attempt to disassemble or open covers of this unit yourself.
Nor should you attempt to service the product yourself, which may
void the user’s authority to operate it. Contact qualified service
personnel under the following conditions:
• If the power cord or plug is damaged or frayed.
• If liquid has been spilled into the product.
• If the product has been exposed to rain or water.
• If the product does not operate normally when the
operating instructions are followed.
• If the product has been dropped or the cabinet has been
damaged.
• If the product exhibits a distinct change in performance.
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FCC Information
FCC Statement
This equipment has been tested and found to comply with 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 frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communication. However, there is no
guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment 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.
Shielded interface cables must be used in order to comply with
emission limits.
Changes or modifications not expressly approved by the part y
responsible for compliance could void the user‘s authority to
operate the equipment.
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FCC Conditions
This device complies with part 15 of the FCC Rules. Operation is
subject to the following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including
interference that may cause undesired operation.
FCC Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set
forth for an uncontrolled environment. This equipment should be
installed and operated with minimum distance of 20cm between the
radiator & your body.
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About This User Manual
For brevity, throughout this manual the “Wireless Broadband
Router” is referred to as “the router” or “the device” and following
terms or abbreviations are used interchangeably:
• Access Point-AP
• Wireless LAN-WLAN
• Ethernet network-LAN-network
This User Manual contains information on how to install and
configure your Wireless Broadband Router to get your network
started accessing the Internet. From now on, we will guide you
through the correct configuration steps to get your device up and
run.
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Contents
1 Introduction..................................................1
1.1 Overview........................................................................1
1.2 Package Contents .........................................................1
1.3 Wireless Network Scenarios..........................................2
2 Hardware Description & Installation.............5
2.1 Physical Outlook............................................................5
2.2 Hardware Connection....................................................6
3 Setting Up Ethernet / WLAN Client..............9
3.1 Setting up TCP/IP..........................................................9
3.2 Setting up Wireless Client............................................11
3.3 Checking Connection with the AP................................12
Front Panel..................................................................5
Rear Panel and Connectors........................................6
Choosing a Place for the AP.......................................6
Connecting the AP ......................................................7
For Windows 98/ME..................................................10
For Windows 2000/XP...............................................10
4 Web Configuration.....................................13
4.1 Accessing Web-Based Configuration Utility.................13
To enable Your Settings.............................................14
4.2 Viewing System Status ................................................15
4.3 LAN Configuration .......................................................15
Manually Specifying an IP Address...........................15
Enabling DHCP Server..............................................16
Setting the AP to be DHCP Client .............................16
Viewing Current DHCP Assignments.........................17
4.4 Wireless LAN (2.4G) Configuration..............................18
4.5 Administration..............................................................23
vii
54Mbps Wireless Access Point User Manual
Specification...............................................27
5
5.1 Hardware.....................................................................27
5.2 Software ...................................................................... 28
viii
1 Introduction
1.1 Overview
Thank you for choosing this 54Mbps Wireless Access Point. The
Access Point is a transparent bridge device which provides mobile
wireless clients the connectivity to a wired network. This enables
the wireless clients to access all available resources and
peripherals on the wired network. In addition, multiple Access
Points can be installed to extend the wireless service coverage
area for seamless wireless access.
With the support of new emerged 802.11g draft standard, the
Access Point provides data transfer of up to 54 Mbps, up to 5 times
faster than 802.11b. Since 802.11g operates on the same
frequency of 2.4 GHz as 802.11b, it is backwards compatible with
existing Wi-Fi 802.11b devices. The benefit is that you can
preserve the existing 802.11b infrastructure while migrating to the
new screaming fast 802.11g.
In addition, this Access Point has an integrated DHCP server which
automatically assigns IP addresses to your wireless devices. The
AP also implements a built-in Web server for easy configuration.
1.2 Package Contents
Check the contents of the package against the pack contents
checklist below. If any of the items is missing, then contact the
dealer from whom the equipment was purchased.
• 54Mbps Wireless Access Point x1
• Power Adapter and Cord x1
• CD-ROM x1
• RJ-45 Ethernet Cable x1
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54Mbps Wireless Access Point User Manual
1.3 Wireless Network Scenarios
An AP is used as a bridge linking the wireless network to a wired
LAN and thus creating an Infrastructure network. According to the
scale of your network, you can install a single AP or multiple APs to
create a roaming wireless network.
The simplest Infrastructure network is depicted as the figure below
where a group of wireless clients and an AP composes a Basic
Service Set (BSS). As this 54Mbps AP is 802.11g and 802.11b
compliant, it is capable of linking both the 802.11g and 802.11b
wireless clients to your wired network.
Figure 1-1 Connecting to a single AP
For larger area, you can also choose to implement multiple APs to
extend the wireless service coverage area for seamless wireless
access. A group of wireless clients and multiple APs using the
same SSID form an Extended Service Set (ESS). The figure below
shows a typical roaming wireless network within which each AP
operates in an independent channel. But all the APs use an
identical SSID and security settings (if enabled).
For the mobile clients that want to wander across the different APs
but maintain the network connectivity at all times, they must
operate in Infrastructure mode and use the same SSID and
security settings (if enabled) with the APs. If the APs are “open”,
that is, periodically broadcast their SSIDs to allow the wireless
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