3com Wireless LAN Access Point 8250 3CRWE825075A-UK Manuale Utente

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

®

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 7 5 0   D ATA   S H E E T

Secure remote management via https or SSH

802.1x supplicant

802.1x Remote Access Dial-In Service (RADIUS)

Server- and MAC-based address authentication

Authentication using 802.1x: EAP-MD5, EAP-TLS,
EAP-TTLS and PEAP protocols  

Advanced WPA encryption (AES), 40/64-bit, 128-bit
and 154-bit, WEP shared key encryption, 
3Com proprietary 128-bit Dynamic Security Link
encryption, Dynamic session key management

MAC address filtering, sever access control lists.

253 simultaneous user support 

Dynamic rate shifting 

Auto network connect

Clear channel select 

802.11a and 802.11g turbo mode

DHCP pass through

3NS network management utility

Integrated RSSI Monitor

Site Survey tool

Wireless Infrastructure Device Manager 

Embedded web server

SNMP compliant management 

RADIUS accounting

Wi-Fi certified, WEP, WPA

IEEE 802.11b, IEEE 802.11a, IEEE 802.11g

IEEE 802.3af (PoE)

CSMA/CA

802.11a: 54, 48, 36, 24, 18, 12, 9, 6 Mbps 
(not supported by AP 7250)

802.11g: 54, 48, 36, 24, 18, 12, 9, 6, 11, 5.5, 2, 1 Mbps

802.11a: 5 GHz; 802.11g: 2.4 GHz

802.11a: OFDM, 802.11g: OFDM and DSSS (with
Barker coding and CCK for backward compatibility
with 802.11b)

802.11a: 36-64 (8 non-overlapping total), 802.11g: 
1-11 (U.S. and Canada), 1-13 (Worldwide; channel
availability depends on local regulations)

802.11a: up to 50 meters (164 feet) transmit and
receive
802.11g: up to 100 meters (328 feet) transmit and
receive 

802.11a: 17 dBm low band depending on bitrate,
20dBm midband depending on the bitrate; 802.11g:
17 dBm depending on bitrate

6 Mbps: -84 dBm, +/- 2 dBm (depending on band)

12 Mbps: -82 dBm

36 Mbps: -73 dBm

54 Mbps: -66 dBm

1 Mbps: -96 dBm

2 Mbps: -94 dBm

5.5 Mbps: -92dBm

11 Mbps: -88 dBm

12 Mbps: -86dBm

24 Mbps: -85 dBm

36 Mbps: -80dBm

54 Mbps: -73 dBm

1 Mbps: -91 dBm

2 Mbps: -89 dBm

5.5 Mbps: -87 dBm

11 Mbps: -83 dBm

12 Mbps: -81 dBm 

24 Mbps: -80 dBm

36 Mbps: -75 dBm

54 Mbps: -68 dBm  

802.11a: Integrated antenna only; 802.11g: External
antenna options are available, see “Accessories” under
Ordering Information for detail

Atheros

5212

5212

5212

Atheros

2111

2111

2111/5111

Motorola 166

266

266

PowerPC

-

4/8

8/16

8/16

Access Point 8250: 7.1W average, 8.4W max

Access Point 8750: 9.2W average, 11.2W max

Access Point 7250: 4.6W average, 4.7W max; PoE
average 7.0W, PoE max 7.2W

IEC & EN 60950, UL / CSA 60950, NOM 019

FCC Part 15.247, Part 15.205, Part 15.209, & Part
15.407, RSS-210, EN 300 328-2, EN 301 893, TELEC
RCR STD 33 & T66

EN 301 489-17, EN 301 489-01

Temperature: 0º C to 40º C (32º F to 104º F); with
external antennas 15º C to 40º C (59º F to 105º F)

Humidity: 5-95% non-condensing

Height: 32 cm (12.5 in)

Width: 20 cm (8.1 in)

Depth: 7 cm (2.8 in

Height: 20.5 cm (8 in)

Width: 28 cm (11 in)   

Depth: 8 cm (3 in)

Access point

Inline PoE power injector with local power cord
(Access Point 8250 and 8750)

AC power adapter (Access Point 7250)

CD ROM with management utilities 

10-meter (33-foot) Category 5 Ethernet cable

Mounting bracket and hardware

User guide

One-year hardware warranty, 90-day software 
warranty

3Com Wireless LAN Access Points are available in the U.S./Canada, Latin America, Asia-Pacific countries, and Europe. 

PRODUCT NAME

ORDER NUMBER

PRODUCT DESCRIPTION 

3Com Wireless LAN Access Point 7250

3CRWE725075A

Ships with one 802.11g radio

3Com Wireless LAN Access Point 8250

3CRWE825075A 

Ships with one 802.11g radio and one open radio slot

3Com Wireless LAN Access Point 8750

3CRWE875075A

Ships with one 802.11a radio and one 802.11g radio