3Com 8250 Datenblatt - Seite 2
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E N T E R P R I S E - C L A S S 3 C O M
The simple, secure way to network without wires
Feature
Powerful
High-speed and wide coverage
11a Turbo mode
User support
Secure
40/64- and 128-/154-bit WEP and
WPA 256-bit AES encryption
Dynamic security link (DSL)
Dynamic session key management and TKIP
802.1x RADIUS server authentication
Access control lists
Client-to-client and uplink filtering
MAC address filtering
Dynamic VLAN assignment
Compatible and Flexible
Modular, dual-mode radio architecture
(8250/8500/8750)
Simultaneous standard support
(8250/8500/8750)
802.11g-802.11b backward-compatibility
Wi-Fi certification
Power over Ethernet (PoE)
Easy to Use Management
Simple installation
Dynamic Host Configuration Protocol
(DHCP) support
Wireless Infrastructure Device Manager
and Wireless LAN Device Discovery tools
Web-based administration
Save and load feature
3NS support
SNMP, HP OpenView support
RADIUS accounting support
Site survey tool
Reliable
Dynamic rate shifting and auto
network connect
Clear Channel Select
*Range depends on physical conditions, building construction, electrical devices in the area, and other environmental factors.
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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
Benefit
11g radio supports speeds up to 54 Mbps at distances up to 100 meters (328 feet); 11a radio
supports speeds up to 54 Mbps at distances up to 50 meters (164 feet). (11a not supported
by the Access Point 7250.)
Provides even higher throughput capability, up to 108 Mbps.
Each access point supports up to 253 simultaneous users, allowing plenty of room for growth.
Basic and advanced encryption protect the privacy of data transmitted over the wireless LAN.
Automatically assigns user-specific 128-bit encryption keys for wireless sessions.
Dynamic key assignment improves security and simplifies deployment.
Helps ensure that only authorized users can access your network and centralizes authorization
of wireless users across your network.
Control access to network resources.
Block direct communications between other wireless users associated to the access points.
Allows only specific WLAN cards to connect to the access point.
Used with RADIUS authentication, assigns users to an appropriate VLAN, further protecting
access to network resources.
Interchangeable radio slots support more wireless clients within the same coverage area with
optional Mini PCI upgrade kits.
802.11a and 802.11g in same access point provide concurrent wireless connectivity for all
802.11 a/b/g clients.
11g radio supports both11g and 11b wireless users, preserving existing wireless investments.
Ensures interoperability with Wi-Fi certified products from other vendors.
Solves hard-to-wire location problems; Ethernet cable supplies connectivity and electrical
power. 802.3af-compliant power injector included with the Access Point 8250, 8500, and
8750; the AP 7250 ships with an AC power adapter.
No need to drill holes or run Ethernet cabling to set up your network.
Provides DHCP passthrough to simplify management.
Automatically identify and configure network devices, run diagnostics, and monitor
performance.
Works with any web browser that supports HTML and Java Script; lets you configure and
manage network devices from anywhere.
Copies settings to wireless devices on the network, simplifying and speeding LAN setup.
Powerful yet simple-to-use network management designed for small businesses.
Enables remote, central management using popular third-party network management programs.
Enables billing by usage for hotspot and other commercial deployments.
Works with 3Com enterprise wireless PC Cards to help you optimize the location and number
of access points for your site.
Automatically moves between connection speeds in response to physical conditions and RF
interference.
Selects the channel with the least traffic for problem-free connections.