3Com AP2750 Bedienungsanleitung

3Com®Wireless LAN Managed

Access Point AP2750

•3Com’s “fit” Managed Access

Points keep encryption local to

protect network transmissions

•Centralized controls distribute

configurations simply and

securely to MAPs, enabling

savings on management and

operational expenses

•More than a simple access point,

MAPs gather intelligence about

the WLAN through RF scanning

and monitoring

DATA SHEET

Key Benefits

Strengthens Security Implementations

and Management from Network to

End Users

The 3Com®Wireless LAN Managed Access

Point (MAP) AP2750 augments mobile

security and provides wireless LAN

connectivity for WLAN users. An integral

component of 3Com’s Wireless LAN

Mobility System, the 3Com AP2750

encrypts transmissions to protect data

privacy and responds to commands from

the Wireless LAN Switch WX1200 or the

Wireless LAN Controller WX4400. Because

the AP2750 is fully controlled by a

Wireless LAN Switch or Controller, it

contains no local data-store for sensitive

data, eliminating the vulnerability of user

or network information being compro-

mised due to hacking or theft. The result is

a highly secure access point that reduces

capital expenses and responds to manage-

ment commands to reduce ongoing

administration costs – all while keeping

the wireless LAN secure.

Simplifies Configuration, Control, and

Optimization of MAPs

The arduous process of configuring and

deploying even a few access points is

vastly simplified using 3Com’s AP2750.

The AP2750 utilizes standards-based

integration with the Wireless LAN Switch

WX1200 and Controller WX4400 for

simple plug-and-play installation. There

is no need to pre-configure MAPs, and if

one needs replacing, it automatically

inherits its configuration from the switch

or controller—making it comparable to

changing a light bulb. The configuration

details for all MAPs are centrally distrib-

uted for consistency and accuracy

resulting in simplified initial deployments

as well as easier long-term management.

Automated network controls at the wireless

switch improve MAP coverage and service

by optimizing RF gain, assigning radio

channels, load balancing and even

sweeping the RF environment as required,

either continuously, on-demand, or based

on your schedule.

Provides Security and Seamless Mobility

MAPs provide local traffic encryption

which distributes encryption processing

across the network rather than relying on

one central device. Continuous, on-demand,

or scheduled RF scans can be used not

only to locate users but also to identify

and isolate potentially harmful rogue

access points (APs) or other infiltrators.

3Com wireless switches and controllers

integrate with backend authorization/

authentication/accounting (AAA) servers,

consistently enforcing user and group

access policies across the wireless LAN,

providing secure session integrity as users

roam throughout the network—no reasso-

ciation or IT intervention required.

Eases Network Integration through

Flexible Deployments

Allowing network wiring flexibility, the

AP2750 can be linked directly or indirectly

to a 3Com Wireless LAN Switch or

Controller through existing wired

networks, even across Layer 3 boundaries.

Additionally, the AP2750 can receive its

power via standard PoE (Power over

Ethernet) either directly from a Wireless

LAN Switch WX1200 or from any 802.11af

compliant PoE device.

3COM®WIRELESS LAN MANAGED ACCESS POINT AP2750 DATA SHEET

Corporate

Network

3Com Wireless LAN

Managed Access Point

2750 devices

LANClients

Authentication

Server

3C17203SuperStack3

Aggregation Switch

Switch4007

LANClients

3Com

SuperStack

Switch 4400 PWR

3Com SuperStack 3

Switch 4400 PWR

Wireless Clients

Laptop or PC installed with

3Com Wireless Switch Manager

3C17203SuperStack3

Floor 1

Floor 2

Data Center

3Com Wireless LAN

Controller WX4400

3CRWX440095AWirelessLANControllerWX4400

3Com Wireless LAN

Managed Access Point

2750 devices

Key Applications

3Com Wireless LAN Managed Access Point 2750

devices deployed throughout the network can be

located away from their associated wireless

controller or switch. The 3Com SuperStack3

Switch 4400 PWR or 3Com Wireless LAN Switch

WX1200 can supply power and data to the MAPs

over Ethernet cabling.

3COM®WIRELESS LAN MANAGED ACCESS POINT AP2750 DATA SHEET

Description

STANDARDS-BASED, HIGH-SPEED ARCHITECTURE

High-speed wireless performance Supports 802.11 a or b/g for speeds up to 54 Mbps at distances up to 100 meters (328 feet) for 802.11b/g

users, 50 meters or (164 feet) for 802.11a users.

Wi-Fi certified 802.11 a or b/g operation Dual-mode radio allows operation for 802.11a or 802.11b/g and is software configurable from the 3Com

Wireless Switch Manager.

Virtual Access Points Each AP2750 can handle multiple BSSID/SSIDs to appear as multiple access points.

Supports 802.3af-compatible Both data and power are supplied over the same Ethernet cable to the AP2750, eliminating the need for

Power over Ethernet (PoE) power adapters, power cords or AC outlets.

Dual-mode diversity radio antennas Dual-mode 802.11a and 802.11b/g antennas provide excellent performance and coverage in high

multi-path environments.

Dual-mode external antenna options Support a variety of external dual-mode antennas for flexible installing options.

SECURITY

Encryption Performs packet encryption over the air for dynamic WEP, TKIP and AES.

Virtual Private Groups Ability to have independently encrypted and isolated subnets or VLANs while using the same SSID.

RF Multi-band Sweep Any AP2750 can scan the RF environment for both 802.11a and 802.11b/g rogue access points, ad-hoc users

or other RF interferers.

Secure MAPs from theft and hacking There is no local data store of sensitive network information in the MAPs, so if one is stolen no secure

information goes with it.

COMPREHENSIVE MANAGEMENT AND CONTROL

Zero configuration installation No pre-staging or pre-configuration of access points required and replacement MAPs inherit configuration

information from the wireless LAN switch or controller.

Flexible deployment topologies supported MAPs can be direct and/or indirectly connected to their managing wireless LAN switch and/or controller

allowing a wide variety of flexible deployment scenarios.

Automated transmit power and radio Transmit power settings and radio channel assignments can be set to optimize the RF cell size and support

channel assignment international requirements.

Comprehensive MAP control and management MAPs are not operational in stand alone mode. All Attributes such as channel number, power level, SSIDs,

and security settings are all handled by the wireless LAN switch or controller for additional security

Features

System Requrements

3Com®Wireless LAN Switch WX1200 or 3Com

Wireless LAN Controller WX4400 required for

MAP operation

Total Ports

One 10BASE-T/100BASE-TX integrated

802.3af-compatible PoE port with auto-negotiation,

serial console port, DC power connector for non-PoE

operation

Media Interfaces

RJ-45, 802.11a, 802.11b, 802.11g, DB-9

Data Rates

802.11g/a: 54, 48, 36, 24, 18, 12, 9, 6 Mbps with

automatic fallback

802.11b: 11, 9, 5.5, 2, 1 Mbps with automatic fallback

Frequency Band

802.11a: 5 GHz

802.11b/g: 2.4 GHz

Modulation Technique

DSSS (Direct Sequence Spread Spectrum)

OFDM (Orthogonal Frequency Division Multiplexing)

Media Access Protocol

CSMA/CA

Operating Channels

Channel availability depends on local country

regulations. Wireless LAN system administrator

must choose correct country of operation. Channels

are then automatically configured to comply with

specified country’s regulations.

Operating Range

802.11a: up to 50 meters (164 feet) transmit and

receive

802.11b/g: up to 100 meters (328 feet) transmit and

receive

Antennas

Two dual-band 2.4-2.48/5.15-5.85 GHz, 2 dBi omni-

directional antennas ship with the AP2750; additional

optional antennas available, see Ordering Information

Transmit Power Settings

Based on the regulatory domain set by the system

administrator, not to exceed the following:

802.11a

6 Mbps: ≥+20 dBm

9 Mbps: ≥+20 dBm

12 Mbps: ≥+20 dBm

18 Mbps: ≥+20 dBm

24 Mbps: ≥+19 dBm

36 Mbps: ≥+19 dBm

48 Mbps: ≥+16 dBm

54 Mbps: ≥+16 dBm

802.11b:

1 Mbps:

2 Mbps: ≥+20 dBm

5.5 Mbps: ≥+20 dBm

11 Mbps: ≥+20 dBm

802.11g:

6 Mbps: ≥+20 dBm

9 Mbps: ≥+20 dBm

12 Mbps: ≥+20 dBm

18 Mbps: ≥+20 dBm

24 Mbps: ≥+19 dBm

36 Mbps: ≥+19 dBm

48 Mbps: ≥+17 dBm

54 Mbps: ≥+17 dBm

Receive Sensitivity

802.11a

6 Mbps: ≤-87 dBm

9 Mbps: ≤-86 dBm

12 Mbps: ≤-84 dBm

18 Mbps: ≤-82 dBm

24 Mbps: ≤-79 dBm

36 Mbps: ≤-75 dBm

54 Mbps: ≤-71 dBm

Specifications

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. Exercise Choice is a trademark of 3Com Corporation. 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.

400881-002 10/04

3COM®WIRELESS LAN MANAGED ACCESS POINT AP2750 DATA SHEET

Ordering Information

Specifications, continued

802.11b:

1 Mbps: ≤-95 dBm

2 Mbps: ≤-92 dBm

5.5 Mbps: ≤-91dBm

11 Mbps: ≤-88 dBm

802.11g:

6 Mbps: ≤-89 dBm

9 Mbps: ≤-89 dBm

12 Mbps: ≤-88 dBm

18 Mbps: ≤-89 dBm

24 Mbps: ≤-85 dBm

36 Mbps: ≤-81 dBm

48 Mbps: ≤-77 dBm

54 Mbps: ≤-73 dBm

Power Consumption

6W maximum (PoE port or external power adapter)

Security

Ver. 1 and 2 48/104-bit WEP, WPA, and 128-bit AES

encryption, mutiple broadcast SSID support at the

MAP; IEEE 802.1X network login or 802.1X RADIUS

authentication; access control lists (ACLs); VLAN and

VPN support; 802.11i draft support at the

switch/controller

Management

Central management with Web browser via local

console or remotely over SSL or HTTPS; command

line interface via local console or remotely over SSH

v2 or Telnet; 3Com®Wireless Switch Manager

LEDs

Power, 10/100 Mbps Link status, 802.11a, 11b,

or 11g Activity

Standards Conformance

IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.3,

IEEE 802.3af, IEEE 802.1X, IEEE 802.11i (draft), WEP,

WPA, AES, Wi-Fi Certified

Regulatory/Agency Approvals

Safety: UL 60950 2000 +ZB &ZC deviations, EN60950

1999, CSA 22.2 60950 3rd edition; NOM-119 SCFI;

AS/NZS 60950 2000

EMC/EMI: EN55022 Class A, FCC 15 Subpart B Class

A, EN 60111 3-2, ICES-003 Class A, VCCI Class A,

CNS 13438 Class A, EN55024

Dimensions and Weight

Height: 26.7 cm (6.5 in)

Width: 8.3 cm (3.25 in)

Depth: 3.2 cm (1.25 in)

Weight: 0.2 g (6.5 oz)

Environmental Ranges

Operating temperature: -10 to 40°C (14 to 122°F)

Storage temperature: -40 to 80°C (-40 to 176°F)

Humidity: 5 to 95% non-condensing

Package Contents

3Com Wireless LAN Access Point 2750

Two dual-band 2.4/5.15 GHz antennas

Four rubber feet

Mounting hardware

Quick Start guide

Warranty booklet

Warranty

One year hardware warranty with 90 days free

technical support. Refer to www3com.com/warranty

for details.

PRODUCT DESCRIPTION 3COM SKU

3Com Wireless LAN Managed Access Points

3Com®Wireless LAN Managed Access Point AP2750 1,5 3CRWX275075A

3Com Wireless LAN Controller WX4400

3Com Wireless LAN Controller WX4400 1,2 3CRWX440095A

Options for the Wireless LAN Controller WX4400

3Com Wireless LAN Controller WX4400 24 MAP License Upgrade 33CWX4400L24A

3Com Wireless LAN Controller WX4400 Spare Power Supply 3CWX4400RPSA

3Com 1000BASE-SX GBIC 3CGBIC91

3Com 1000BASE-LX GBIC 3CGBIC92

3Com Wireless LAN Switch WX1200

3Com Wireless LAN Switch WX1200 1,2 3CRWX120695A

3Com Wireless LAN Switch Manager

3Com Wireless LAN Switch Manager 23CWXM10A

Supports up to 10 3Com wireless LAN controllers and/or switches

3Com Wireless LAN Switch Manager Unlimited Upgrade 43CWXMUPA

Related 3Com Wireless LAN Mobility System Products

3Com SuperStack®3 Switch 4400 PWR 3C17205

Note 1: Not available in all countries – please check with your local reseller or 3Com office for local availability.

Note 2: Software upgrades are only available to customers with 3Com maintenance agreements.

Note 3: Up to three 24-MAP licenses can be purchased per WX4400 wireless controller, supporting a total of up to 96 MAPs per

WX4400 wireless controller.

Note 4: Upgrades 3CWXM10A to support an unlimited number of wireless switches and/or controllers.

Note 5: Operates only with a 3Com Wireless LAN Switch WX1200 or 3Com Wireless LAN Controller WX4400.

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