Realtek RTL8187SE User manual

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Realtek RTL8187SE
Wireless LAN MINI CARD Adapter
User Guide
Version 1.0

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COPYRIGHT
©2006 Realtek Semiconductor Corp. All rights reserved. No part of this
document may be reproduced, transmitted, transcribed, stored in a retrieval
system, or translated into any language in any form or by any means without
the written permission of Realtek Semiconductor Corp.
DISCLAIMER
Realtek provides this document “as is”, without warranty of any kind, neither
expressed nor implied, including, but not limited to, the particular purpose.
Realtek may make improvements and/or changes in this document or in the
product described in this document at any time. This document could include
technical inaccuracies or typographical errors.
TRADEMARKS
Realtek is a trademark of Realtek Semiconductor Corporation. Other names
mentioned in this document are trademarks/registered trademarks of their
respective owners.
USING THIS DOCUMENT
This document provides detailed user guidelines to provide Realtek
RTL8187SE Wireless LAN MINI CARD Adapter operation and setting-up.
Though every effort has been made to assure that this document is current
and accurate, more information may have become available subsequent to the
production of this guide. In that event, please contact your Realtek
representative for additional information that may help in the development
process.
RELEASE History
Version Author Date Note
1.0 Ying-Che Hsu 2006/9/21 First Release

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Content
Chapter 1 Introduction ..................................................................................4
Chapter 2 Specifications...............................................................................5
Chapter 3 Installation/ Un-installation..........................................................6
3.1 Installation.........................................................................................6
3.2 Un-installation.................................................................................12
Chapter 4 RtWLAN: Wireless LAN Management GUI ...............................14
4.1 Introduction of Main Window.........................................................14
4.2 Station mode...................................................................................18
4.3 AP mode ..........................................................................................24
Appendix 1: How to use 802.1x ( Step by step )........................................29

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Chapter 1 Introduction
Thank you for purchasing Realtek RTL8187SE Wireless LAN MINI CARD
Adapter. Realtek RTL8187SE Wireless LAN MINI CARD Adapter is another
perfect combination of both performance and cost-effective product introduced
by Realtek. Realtek hopes you can enjoy the wireless world through this solid
profiled wireless card.
RTL8187SE provides a full solution of all the IEEE 802.11 b/g protocols. Both
of our solutions passed the WIFI tests and will be compatible with all the
wireless products with WIFI logos, including WPA2, WMM, WMM Power Save.
If you have a Realtek RTL8187SE Wireless LAN MINI CARD Adapter on hand,
it means you can connect to the wireless world without any difficulty.
RTL8187SE provides all the data rates in the IEEE 802.11 b/g standards.
RTL8187SE supports both the short and long preambles to ensure the
compatibility of legacy wireless products and new ones, saving the panic
works for end users to find compatible products.
Since the security has became one of the most important issue in the wireless
society, Realtek provides you with the full security coverage from the naïve
64/128bits Wep encryptions, second generation WPA-PSK encryption, to the
most advanced WPA2-AES encryption. WPA2 is the latest security standard
currently approved by WIFI standard. Realtek cares about your security on the
wireless world and makes our efforts to protect our users from malicious
sniffers.
QoS, Power saving mode, Adhoc wireless Lan, Wake on Lan(WOL) and other
exciting features are also included in this Realtek RTL8187SE Wireless LAN
MINI CARD Adapter. We will guild you through these exciting features in the
following chapters and we believe that you will have a great satisfactory with its
performance and ease of use.

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Chapter 2 Specifications
Host system connections
Interface Fully complies with MINI CARD
USB date transfer
rate USB high speed (480Mbps), and full speed (12Mbps)
Wireless LAN (WLAN) environment connections
WLAN Interface Multimode features
Fully complies with IEEE 802.11 b/g specifications
WLAN transfer rate 802.11 b: DQPSK with data scrambling capability to provide
data rate of 1, 2, 5.5, and 11Mbps
802.11 g: A high-speed Fast Fourier
Transform(FFT)/Inverse Fast Fourier Transform (IFFT)
provide data rate of 6, 9, 12, 18, 24, 36, 48 and 54Mbps
WLAN Frequency
band
2.4 ~ 2.497 GHz ((Industrial Scientific Medical Band)
Operation Channel Channel 1 ~ 11
Coverage Area Indoors: 100m with straight path
Outdoors: 400m
Compatibility Fully compatible to IEEE 802.11 a/b/g devices
Security Hardware-based IEEE 802.11i encryption/decryption
engine, including 64-bit/128-bit WEP, TKIP, and AES
Antenna Detachable dipolar antenna
LED present
(Green/Red light) On: link is on Off: link is off
Quick blinking: data transition
Slow blinking with 5 times: scan wireless nodes
Wake on WLAN Wake up system by wireless LAN.
QoS WMM (Wi-Fi Multimedia), WMM Power Save.

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Chapter 3 Installation/ Un-installation
3.1 Installation
Before you proceed with the installation, please notice following descriptions.
Note1: The following installation was operated under Windows XP.
(Procedures are similar for Windows 98SE/Me/2000.)
Note2: If you have installed the USB WLAN driver & utility before, please
uninstall the old version first.
If you install the Realtek RTL8187SE Wireless LAN MINI CARD Adapter
into your laptop computer before installing the software program from
the CD.
A. Ignore the following dialog. Please click “Cancel”.
B. Insert the Installation CD to your CD-ROM Drive. Execute the “setup”
program.

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C. Click “Next” to process the installation
D. The system starts to install the software of the WLAN adapter.

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E. The system will automatically detect the card and display “Hardware
Installation” screen. Click “Continue Anyway” to continue.
F. Please click “Finish” to complete the installation.

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If you install Realtek RTL8187SE Wireless LAN MINI CARD Adapter into
your laptop computer after installing the software program from the CD.
When you install Realtek RTL8187SE Wireless LAN MINI CARD Adapter,
the following dialog will be shown.
A. Please choose “No, not this time” and click “Next”.
B. Please choose “Install from a list or specific location” and click “Next”.

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C. Please choose “Don’t search I will choose the driver to install” and click
“Next”.
D. Please click “Have Disk…”.
E. Please click “Browse..” and specify the path of Realtek RTL8187SE MINI
CARD Adapter Driver.

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F. Please choose “Realtek RTL8187SE MINI CARD Adapter” and click
“Next”.
G. The system will automatically detect the card and display “Hardware
Installation” screen. Click “Continue Anyway” to continue.

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H. Please click “Finish” to complete the installation.
3.2 Un-installation
A. Uninstall the RTL8187SE WLAN Driver from “Start”→“All Programs”→
“Realtek RTL8187SE Wireless Network Driver and Utility” or “Control
Panel”“”→“Change or Remove Programs”.
Please click “Un-istall” (or “Change/Remove”) to remove RTL8187SE
WLAN driver.

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B. Please click “OK” if you want to remove RTL8187SE USB WLAN Driver.
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C. Please click “Finish” to complete the un-installation.

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Chapter 4 RtWLA : Wireless LA
Management GUI
4.1 Introduction of Main Window
A. Main Menu
The main menu includes five submenus.
Refresh
As clicking the refresh menu, we can update and re-enumerate the
contents of adapter list area.
Mode
Wireless configuration was quickly switched to be either [Station] or
[Access Point].
A. Main Menu
B.
Adapter List Area
C.
Property
Area
D.
Global Control Bar
E.
Status Bar

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View
Enable/disable the present of status bar. Without check mark in front will
make the status bar hidden.
Help
Click the menu item “About RtWLan” to show the about dialog. The
application version and license information are shown in the about dialog.

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B. Adapter List Area
All connected adapters on this system for multiple adapter
installations are displayed in this area. It is easy for users to
change the selected adapter by one click. The contents of
properties area are dependant on wireless configuration that
the selected adapter was set up. If only single adapter was
installed on the system, only one adapter is always selected.
C. Properties Area
The contents of this area are dependent on current wireless configuration.
The current configuration is determined on previous explanation of submenu
“Mode”. The more detail contents are described in following wireless
configuration sections for both Station and AP mode.

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D. Global Control Bar
Each control items on this bar affects the adapter or management GUI
directly.
Show Tray Icon
Making this item to be checked and pressing “Close” button, the management
GUI will be minimized and stay on the tray icon located at the right down
corner of Windows. On the contrary, management GUI will shut down while
pressing “Close” button with unchecked condition.
Radio Off
Turn off the radio for saving power. While the radio being off, the links with
other wireless network nodes are disconnected. User should be care of it
while the wireless configuration is in AP mode. The radio off will cause the
sub network belong to the AP to disconnect with internet/intranet.
Close
To Shutdown or hide the management GUI depend on the check box of
“Show Tray Icon” whether is checked or not.
E. Status Bar
The hints or status of the management GUI are presented in the status bar.

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4.2 Station mode
The following explanations focus on the properties area.
Infrastructure and Ad-Hoc
With both Infrastructure and Ad-Hoc types, the properties should looks like
the picture beside. Six property pages present different information of current
wireless network status.
Reading the following explanations before you reviewing these pages, it
could help you to well know the wireless environment around the system.
It is easy use to switch property pages just by left button clicking of mouse the
title of each page. The following six sections describe detail information of the
opposite page.

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A. General page
This page represents the general information of this adapter.
1. Status
The connection status with access point this station has.
2. Speed
Current transition speed in Mbps.(Mega-Bits-Per-Second)
3. Type
Current wireless LAN configuration type
4. Encryption
Current encryption mode used
5. SSID
Name of wireless network
6. Signal Strength
The average quality of signal pf packets received from wireless network.
We recommend connecting access point with over 70% signal strength.
7. Throughput diagram
Current throughput, including transmission (Tx) and total traffic (Total).
8. Network Address group
Mac Address: six two-digital number of this adapter
IPAddress: assigned network address by DHCP server or
self-definition in four three-digital number format
Subnet Mask: the only valid value is 2555.255.255.0
Gateway: It comes from connected access point. Your system can not
connect internet with this field empty.
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B. Profile page
This page provides profiles management like add, remove, edit and duplicate
just by pressing the button.
Available Profile(s)
The list box shows all the created profiles.
1. Add
Add a new profile for access point or IBSS (Ad-Hoc mode).
2. Remove
Remove the selected profile
3. Edit
Edit contents of selected profile
4. Duplicate
Make copy of selected profile.
5. Set Default
Set the selected profile as default selection.
6. Available Network page
This page presents all BSS, including access points and IBSS, around this
system. And you could pick one of these network connections.
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