3Com 8250 Scheda tecnica - Pagina 4

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E N T E R P R I S E - C L A S S 3 C O M

Upgrade Kits

Product Name

3Com 802.11a Wireless LAN

Access Point Upgrade Kit

3Com 802.11g Wireless LAN

Access Point Upgrade Kit

Accessories

Important:

•

Due to possible RF emissions outside of

the allowed spectrum, the 3Com

Wireless LAN Access Point 8250

(3CRWE825075A), Wireless LAN Access

Point 8750 (3CRWE875075A) and

802.11g Wireless LAN Access Point

Upgrade Kit (3CRWEGMOD75A) may

only be used with external antennas

under the following conditions:

Product Name

3Com SuperStack

3Switch 4400 PWR

3Com Network Jack Multiport Power over

Ethernet Midspan Solution

3Com Power over Ethernet Single-Port

Midspan Solution

3Com 4.0 dBi Omnidirectional Antenna

3Com 8.0 dBi Omnidirectional Antenna

3Com 2.5 dBi Ceiling Mount Omnidirectional

Antenna

3Com 4.0 dBi Hallway Bidirectional Antenna

3Com 8.0 dBi Sector-Panel Antenna

3Com 6-Foot Antenna Cable

3Com 20-Foot Antenna Cable

W I R E L E S S L A N A C C E S S P O I N T S 7 2 5 0 / 8 2 5 0 / 8 5 0 0 / 8 7 5 0

Order Number

3CRWEAMOD75A

3CRWEGMOD75A

In the United States, Canada, and other

countries governed by FCC guidelines,

external antennas can only be used in an

access point operating temperature range of

15° C - 40° C (59° F - 104° F). In these coun-

tries only external antennas with a gain of

up to 8 dBi may be used. This includes the

antennas listed in the table below.

In the European Community, you may use

the antennas listed in the table as well as

the 3Com 13 dBi Sector-Panel Antenna

(3CWE495). The temperature restriction

does not apply.

Order Number

3C17205-US

3CNJPSE24

3CNJPSE

3CWE490

3CWE491

3CWE492

3CWE497

3CWE498

3CWE480

3CWE481

3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064

To learn more about 3Com solutions, visit www.3com.com. 3Com is publicly traded on NASDAQ under the symbol COMS.

Corporation. Possible made practical is a trademark of 3Com Corporation. Wi-Fi is a trademark of the Wireless Ethernet

Compatibility Alliance. All other company and product names may be trademarks of their respective companies. While

every effort is made to ensure the information given is accurate, 3Com does not accept liability for any errors or mistakes

which may arise. Specifications and other information in this document may be subject to change without notice.

Products Supported

•

Upgrades the earlier model Access Point 8200 to an Access Point

8700. Add the 11a module and update the firmware with the

11a module CD-ROM.

Upgrades the Access Point 8250 to an Access Point 8750. Add

•

the 11a module and update the firmware using the 11a module

CD-ROM.

•

Upgrades the earlier model Access Point 8200 to an Access Point

8250. Replace the 11b module with the 11g module and update

the firmware with the 11g module CD-ROM.

•

Upgrades the earlier model Access Point 8700 to an Access Point

8750. Replace the 11b module with the 11g module and update

the firmware with the 11g module CD-ROM.

Upgrades the Access Point 8500 to an Access Point 8750. Add

•

the 11g module and upgrade the firmware using the 11g module

CD-ROM.

•

If the access point is used with an exter-

nal antenna you must also purchase an

antenna cable. For maximum efficiency,

use the shortest antenna cable possible.

Antenna cables induce signal loss,

which will limit the radiated power out-

put and range of the access point. Of the

options available, we recommend the

3Com 6-Foot Antenna Cable (3CWE480).

Products Supported

3Com Wireless LAN Access Point 7250, 8250, 8500, and 8750

3Com Wireless LAN Access Point 7250, 8250, and 8750

400828-002 01/04