PC54G, MS-6825
Wireless 11g PCI Card
User’ s Guide
FCC Caution
1. The 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, and
(2) This device must accept any interference received, including interference that may cause undesired operation.
2. FCC RF Radiation Exposure Statement: The equipment complies with FCC
RF radiation exposure limits set forth for an uncontrolled environment.
This equipment should be installed and operated with a minimum distance
of 20 centimeters between the radiator and your body.
3. This Transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter.
4. Changes or modifications to this unit not expressly approved by the party
responsible for compliance could void the user authority to operate the
equipment.
Copyright Notice
The material in this document is the intellectual property of MICRO-STAR INTERNATIONAL. We take every care in the preparation of this document, but no
guarantee is given as to the correctness of its contents. Our products are under
continual improvement and we reserve the right to make changes without notice.
Trademarks
All trademarks used in this manual are the sole property of their respective owners.
Windows is a registered trademark of Microsoft Corporation.
Revision History
Revision History Date
V 1.0 First Release July 2003
Important Safety Precautions
Always read and follow these basic safety precautions carefully when handling any
piece of electronic component.
1. Keep this User’ s Manual for future reference.
2. Keep this equipment away from humidity.
3. Lay this equipment on a reliable flat surface before setting it up.
4. The openings on the enclosure are for air convection hence protects the
equipment from overheating.
5. All cautions and warnings on the equipment should be noted.
6. Never pour any liquid into the opening that could damage or cause
electrical shock.
7. If any of the following situations arises, get the equipment checked by a
service personnel:
Liquid has penetrated into the equipment
The equipment has been exposed to moisture
The equipment has not work well or you can not get it work
according to User’ s Manual
The equipment has dropped and damaged
If the equipment has obvious sign of breakage
8. DO NOT LEAVE THIS EQUIPMENT IN AN ENVIRONMENT UNCONDITIONED, STORAGE TEMPERATURE ABOVE 60
MAY DAMAGE THE EQUIPMENT.
O
C OR BELOW -20OC, IT
Introduction
>>> 1.1
PC54G (MS-6825) - Wireless 11g
PCI Card
PC54G (MS-6825) Wireless 11g PCI Card, compliant
with IEEE802.11g, is a high-efficiency wireless adapter
for wireless networking at home, in office or in public
places. The data transmission rate can be up to 54
Mbps and auto-negotiated to 48, 36, 24, 18, 12, 9, 6 Mbps
(IEEE802.11g), or 11, 5.5, 2, 1 Mbps (IEEE802.11b).
With PC54G (MS-6825), you can roam between conference room and office without being disconnected the
LAN cables; in addition, sharing files and printers can be
easy tasks.
The PC54G (MS-6825) is available to Microsoft Windows
operating systems (Windows
can be integrated into networking with either Ad-hoc
mode (computer-to-computer, without an Access Point) or
Infrastructure mode (computer-to-access point, an
Access Point is required).
®
XP/2000/ME/98SE) and
1
>>> 1.2
How PC54G (MS-6825) works
Ad-hoc Mode : An Ad-hoc network is a local area network,
especially one with wireless or temporary plug-in connections. Therefore, some of the network devices are
part of the network only for the duration of a communications session. Users in the network can share files, print
to a shared printer, and access the Internet with a shared
Gateway or Access Point. In this kind of network, new
devices can be quickly added; however, users can only
communicate with other wireless LAN devices that are in
this wireless LAN workgroup, and are within range.
(MS-6825)
2
Infrastructure Mode : The difference between Infrastructure network and Ad-hoc network is that the former one
includes an Access Point. In network environment, the
Access Point can manage the bandwidth to maximize
bandwidth utilization. Moreover, the Access Point enables
users on a wireless LAN to access an existing wired
network, allowing wireless users to take advantage of the
wired networks resources, such as Internet, email, file
transfer, and printer sharing. The scale and range of the
Infrastructure networking are larger and wider than that of
the Ad-hoc networking.
(MS-6825)
3
Specifications>>> 1.3
General
Operating system Microsoft® Windows® 98 SE/
ME/2000/XP
Compliance - IEEE 802.11g/b
- WECA WiFi
- WHQL (Windows ME/2000/
XP )
Operating Temperature 0 ~ 55OC
Operating Humidity 0 ~ 95%, non-condensing
Physical
Form Factor 32-bit PCI v2.2
Dimensions (WxDxH) 127.3 X 77.6 X 18.4 mm
Antenna Dipole
Weight 29 g
Operation Voltage 3.3 V
Radio
Frequency Range 2.4GHz to 2.4835GHz
Operating Channels 11 channels; maximum 3
non-overlapped channels;
25 MHz bandwidth/channel
Data Rate and IEEE 802.11b(Auto-Fallback):
Modulation Types - CCK @ 5.5 and 11 Mbps.
- DQPSK @ 2Mbps.
- DBPSK @ 1 Mbps.
IEEE 802.11g(Auto-Fallback):
- OFDM @ 54, 48, 38, 24,
18, 12, 9, 6 Mbps
4
Wireless Medium Direct Sequence Spread
Spectrum (DSSS) with ACK;
Half-Duplex
Media Access Protocol Carrier Sense Multiple
Access with Collision
Avoidance (CDMA/CA)
Transmitter Output 15dBm
Power
Performance
Range Open Space:
- 170 m @ 11 Mbps.
- 50 m @ 54 Mbps.
Indoor:
- 120 m @ 11 Mbps.
- 20 m @ 54 Mbps.
Security
Security Mechanism - 64-/128-bit WEP
- AES-CCM Authentication Mode
- WPA support
- LEAP/PEAP support
5
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