Sercomm AP51DA Bedienungsanleitung
Dual-Band 802.11a/b/g
Wireless Access Point
User's Guide
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TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION .............................................................................................1
Features of your Wireless Access Point...........................................................................1
Package Contents ..............................................................................................................2
Physical Details..................................................................................................................3
CHAPTER 2 INSTALLATION...............................................................................................5
Requirements.....................................................................................................................5
Procedure...........................................................................................................................5
CHAPTER 3 ACCESS POINT SETUP..................................................................................7
Overview ............................................................................................................................7
Setup using the Windows Utility......................................................................................7
Setup using a Web Browser............................................................................................10
System Screen..................................................................................................................13
Access Control.................................................................................................................14
2.4GHz Wireless Screens ................................................................................................17
Basic Settings – 2.4GHz Screen......................................................................................17
2.4GHz Security Settings................................................................................................19
Advanced Settings - 2.4GHz...........................................................................................30
5GHz Wireless Screens...................................................................................................32
Basic Settings – 5GHz (802.11a) Screen........................................................................32
5GHz Security Settings...................................................................................................34
Advanced Settings - 5GHz..............................................................................................46
CHAPTER 4 PC AND SERVER CONFIGURATION .......................................................48
Overview ..........................................................................................................................48
Using WEP.......................................................................................................................48
Using WPA-802.1x ..........................................................................................................49
802.1x Server Setup (Windows 2000 Server)................................................................50
802.1x Client Setup on Windows XP.............................................................................60
Using 802.1x Mode (without WPA)...............................................................................66
CHAPTER 5 OPERATION AND STATUS.........................................................................67
Operation .........................................................................................................................67
Status Screen....................................................................................................................67
CHAPTER 6 OTHER SETTINGS & FEATURES .............................................................73
Overview ..........................................................................................................................73
Admin Login Screen........................................................................................................73
Config File........................................................................................................................75
SNMP ...............................................................................................................................76
Firmware Upgrade..........................................................................................................77
APPENDIX A SPECIFICATIONS .......................................................................................78
Wireless Access Point......................................................................................................78
APPENDIX B TROUBLESHOOTING ................................................................................82
Overview ..........................................................................................................................82
General Problems............................................................................................................82
APPENDIX C WINDOWS TCP/IP.......................................................................................84
Overview ..........................................................................................................................84
Checking TCP/IP Settings - Windows 9x/ME:.............................................................84
Checking TCP/IP Settings - Windows NT4.0 ...............................................................86
Checking TCP/IP Settings - Windows 2000..................................................................88
Checking TCP/IP Settings - Windows XP ....................................................................90
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APPENDIX D ABOUT WIRELESS LANS..........................................................................92
Overview ..........................................................................................................................92
Wireless LAN Terminology............................................................................................92
P/N: "9560ND0001
Copyright 2004. All Rights Reserved.
Document Version: 1.0
All trademarks and trade names are the properties of their respective owners.
1
Chapter 1
Introduction
This Chapter provides an overview of the Wireless Access Point's features
and capabilities.
Congratulations on the purchase of your new Wireless Access Point. The Wireless Access
Point links your 802.11g or 802.11b Wireless Stations to your wired LAN. The Wireless
stations and devices on the wired LAN are then on the same network, and can communicate
with each other without regard for whether they are connected to the network via a Wireless or
wired connection.
Figure 1: Wireless Access Point
The auto-sensing capability of the Wireless Access Point allows packet transmission up to
54Mbps for maximum throughput, or automatic speed reduction to lower speeds when the
environment does not permit maximum throughput.
Features of your Wireless Access Point
The Wireless Access Point incorporates many advanced features, carefully designed to provide
sophisticated functions while being easy to use.
• Standards Compliant. The Wireless Router complies with the IEEE802.11g (DSSS)
specifications for Wireless LANs.
• Supports both 802.11b and 802.11g Wireless Stations. The 802.11g standard
provides for backward compatibility with the 802.11b standard, so both 802.11b and
802.11g Wireless stations can be used simultaneously.
• WEP support. Support for WEP (Wired Equivalent Privacy) is included. Both 64 Bit
and 128 Bit keys are supported.
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Wireless Access Point User Guide
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• WPA support. Support for WPA is included. WPA is more secure than WEP, and
should be used if possible.
• 802.1x Support. Support for 802.1x mode is included, providing for the industrial-
strength wireless security of 802.1x authentication and authorization.
• Radius Client Support. The Wireless Access Point can login to your existing Radius
Server (as a Radius client).
• Radius MAC Authentication. You can centralize the checking of Wireless Station
MAC addresses by using a Radius Server.
• Dynamic WEP key Support.In 802.1x mode, either fixed or Dynamic WEP keys can
be used.
• Upgradeable Firmware. Firmware is stored in a flash memory and can be upgraded
easily, using only your Web Browser.
• Access Control. The Access Control feature can check the MAC address of Wireless
clients to ensure that only trusted Wireless Stations can use the Wireless Access Point to
gain access to your LAN.
• UAM Support. The Wireless Access Point supports UAM (Universal Access Method),
making it suitable for use in Internet cafes and other sites where user access time must be
accounted for.
• Simple Configuration. If the default settings are unsuitable, they can be changed
quickly and easily.
• DHCP Client Support. Dynamic Host Configuration Protocol provides a dynamic IP
address to PCs and other devices upon request. The Wireless Access Point can act as a
DHCP Client, and obtain an IP address and related information from your existing DHPC
Server.
• NetBIOS & WINS Support. Support for both NetBIOS broadcast and WINS (Win-
dows Internet Naming Service) allows the Wireless Access Point to easily fit into your
existing Windows network.
• Password - protected Configuration. Optional password protection is provided to
prevent unauthorized users from modifying the configuration data and settings.
Package Contents
The following items should be included:
• Wireless Access Point
• Power Adapter
• Quick Start Guide
• CD-ROM containing the on-line manual and setup utility.
If any of the above items are damaged or missing, please contact your dealer immediately.
Introduction
3
Physical Details
Front Panel LEDs
Figure 2: Front Panel
Status On
- Error condition.
Off - Normal operation.
Blinking - During start up, and when the Firmware is being upgraded.
Power On - Normal operation.
Off - No power
LAN On - The LAN (Ethernet) port is active.
Off - No active connection on the LAN (Ethernet) port.
Flashing - Data is being transmitted or received via the corresponding
LAN (Ethernet) port.
5GHz/802.11a On - 802.11a Wireless connection is available.
Off - No 802.11a Wireless connection available.
Flashing - Data is being transmitted or received via the 802.11a Wire-
less band. Data includes "network traffic" as well as user data.
2.4GHz/802.11
b/g On - 802.11g and/or 802.11b Wireless connection is available.
Off - 802.11g and 802.11b Wireless connections are not available.
Flashing Data is being transmitted or received via the 802.11g/a Wire-
less band. Data includes "network traffic" as well as user data.
Wireless Access Point User Guide
4
Rear Panel
Figure 3 Rear Panel
Antenna One antenna (aerial) is supplied. Best results are usually obtained with
the antenna in a vertical position.
Power port Connect the supplied power adapter here.
Reset Button This button has two (2) functions:
• Reboot. When pressed and released, the Wireless Access Point
will reboot (restart).
• Reset to Factory Defaults. This button can also be used to clear
ALL data and restore ALL settings to the factory default values.
To Clear All Data and restore the factory default values:
1. Power Off the Access Point
2. Hold the Reset Button down while you Power On the Access
Point.
3. Continue holding the Reset Button until the Status (Red) LED
blinks TWICE.
4. Release the Reset Button.
The factory default configuration has now been restored, and the
Access Point is ready for use.
Ethernet Use a standard LAN cable (RJ45 connectors) to connect this port to a
10BaseT or 100BaseT hub on your LAN.
Console port DB9 female RS232 port.
5
Chapter 2
Installation
This Chapter covers the physical installation of the Wireless Access Point.
Requirements
Requirements:
• TCP/IP network
• Ethernet cable with RJ-45 connectors
• Installed Wireless network adapter for each PC that will be wirelessly connected to the
network
Procedure
1. Select a suitable location for the installation of your Wireless Access Point. To maximize
reliability and performance, follow these guidelines:
• Use an elevated location, such as wall mounted or on the top of a cubicle.
• Place the Wireless Access Point near the center of your wireless coverage area.
• If possible, ensure there are no thick walls or metal shielding between the Wireless
Access Point and Wireless stations. Under ideal conditions, the Wireless Access Point
has a range of around 150 meters (450 feet). The range is reduced, and transmission
speed is lower, if there are any obstructions between Wireless devices.
Figure 4: Installation Diagram
2. Use a standard LAN cable to connect the “Ethernet” port on the Wireless Access Point to
a 10/100BaseT hub on your LAN.
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Wireless Access Point User Guide
6
3. Connect the supplied power adapter to the Wireless Access Point and a convenient power
outlet, and power up.
4. Check the LEDs:
• The Status LED should flash, then turn OFF.
• The Power, WLAN, and LAN LED should be ON.
For more information, refer to Front Panel LEDs in Chapter 1.
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