3Com AirConnect Manuel

AirConnect

®

2.0 Wireless LAN

Conﬁguring AirConnect 2.0 Access Points for Compatibility with

AirConnect 1.x

When installing 3Com AirConnect 2.0 access points into a network with

3Com AirConnect 1.x access points, you must change the default RF preamble

setting in the AirConnect 2.0 access points to ensure compatibility with

AirConnect 1.x (see ﬁgures on reverse to identify your access point).

The AirConnect 2.0

Short RF Preamble

setting must be disabled using the

following procedure:

1 Start HyperTerminal and connect to the AirConnect 2.0 access

point (refer to the

Access Point User Guide

for information on

how to use HyperTerminal to conﬁgure the access point).

2 From the Main menu, select

RF Conﬁguration

.

3 In the RF Conﬁguration menu, select

Short RF Preamble

.

4 Press the spacebar to select

Disabled

.

5 Press F1 to save the settings. Under Windows 2000, you must tab

to the onscreen F1 selection, then press Enter to save the settings.

6 Return to the Main menu and select

Special Functions

.

7 From the Special Functions menu, select

Reset AP

.

8 Conﬁrm the reset when prompted to reboot the access point.

NOTE:

AirConnect 2.0 PC Cards support access points conﬁgured for

either long or short RF preamble, and are compatible with both the

AirConnect 2.0 and 1.x access points. AirConnect 1.x PC Cards support

only access points conﬁgured for a long RF preamble, and are compatible

with AirConnect 2.0 and 1.x access points that are conﬁgured to disable

short RF preamble.

Read Me First

09-2048-000

Published December 2000

3Com and AirConnect are registered trademarks and the 3Com logo is a trademark of 3Com Corporation.

Windows is a registered trademark of Microsoft Corporation.

3Com AirConnect 2.0 Access Point

3Com AirConnect 1.x Access Point

CE Marking EU Compliance

This device complies with the requirements of European Directive 1999/5/EC.

The Alert symbol signiﬁes that the equipment is intended for use

throughout the European community, but its authorization for use in France is

restricted as follows:

PAN European Frequency Range: 2.402 - 2.480 GHz

Restricted Frequency Range for use in France: 2.448 - 2.480 GHz

Applicable Standards:

ETS 300 328 (November 1996)

ETS 300 825 (November 1997)

EN 60950: 1992 Incl Amdt 1-4, 11

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