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  9. 3Com 3950 User manual

3Com 3950 User manual

High-Performance
an Scalable 11n
Dual-Ra io Manage
Access Point with
Local Switching
DATA SHEET
OVERVIEW
The 3Com®Wireless LAN Managed Access Point (MAP) 3950 is a high-
performance IEEE 802.11n full 3x3 Multiple-Input Multiple-Output
(MIMO) dual-radio managed access point delivering secure, reliable
voice-ready connectivity.
An integral component of the 3Com Wireless LAN Mobility System,
the 3Com MAP 3950 with intelligent switching offers both centralized
and distributed data forwarding, automatically determining the best
alternative based on the requirements of the underlying application.
This allows it to support the most demanding wireless applications
indoors and outdoors, including Voice over Wi-Fi®and video distribution.
Managed by a WLAN switch or controller with which it securely
communicates, the MAP contains no local data store for sensitive data,
eliminating the chance of information being compromised due to hacking
or theft. The end result helps reduce capital expenses and ongoing
administrative costs—all while keeping the wireless LAN secure.
The MAP 3950 is backwards compatible with legacy IEEE 802.11 a/b/g
clients providing investment protection without the need for an
additional overlay network.
KEY BENEFITS
MAXIM M WIRELESS COVERAGE AND RANGE
The MAP 3950 contains 2.4 GHz and 5 GHz radios that operate
simultaneously, each featuring three radio transmit and three receive
chains. This 3x3 MIMO configuration provides increased range and
performance over implementations that utilize the standard 2x2 or
advanced 2x3 MIMO solutions.
The internal optimized gain pattern RF antennas help ensure the
outstanding coverage and range enhancements promised by 802.11n
technologies even in mixed-client mode environments.
MAXIMIZE CONNECTIVITY AND ENVIRONMENT FLEXIBILITY
Part of the 3Com Wireless LAN Mobility System, the MAP 3950 provides
“always-on” reliability. If any 3Com wireless controller or wireless switch
fails in the domain, failover to another controller or switch is seamless
and client connections are maintained. Data flow continues without any
service disruptions to voice and real-time video applications.
Two 10/100/1000 autosensing Ethernet ports provide redundant network
connections and Power over Ethernet (PoE) sources, helping ensure
optimal WLAN uptime.
3Com®Wireless LAN anaged Access Point 3950
3Com Wireless LAN anaged Access Point 3950
3Com®Wireless LAN anaged Access Point 3950
2
KEY BENEFITS
(CONTIN ED)
PoE options fit customer needs in many deployment scenarios. The 3Com MAP 3950 uses standard 802.3af
and non-standard 802.3af+ (802.3at draft) midspan PoE injectors and PoE switches.
OPTIMIZED 11N PERFORMANCE IN DENSE NETWORK ENVIRONMENTS
To optimize available bandwidth, the MAP 3950 features automatic client steering to help deliver maximum
IEEE 802.11n performance. Since 802.11n technology operates in both the 2.4 GHz and 5GHz bands, client
steering automatically directs capable clients to the less crowded 5 GHz band without any client intervention or
configuration changes. The MAP 3950 also enables granular bandwidth management and load balancing
features that vastly improve network performance and end user experience.
VOICE-READY WIRELESS CONNECTIVITY
Distributed forwarding optimizes traffic flow, reducing latency, while providing ultra high performance and
massive scalability. Data integrity and RF signal strength of the wireless channel are continually recalculated,
tuning for optimal RF channel and transmit power, while enforcing the prioritization of delay-sensitive voice
and other critical applications.
Wi-Fi Multimedia (WMM®) or SpectraLink Voice Priority (SVP) helps ensure optimal QoS for voice traffic.
Policies provide per user, protocol, or class-of-service (CoS) mapping, while enhanced features such as Call
Admission Control can finely tune deployment of Voice over Wireless.
SEC RE AND SEAMLESS ROAMING
Local traffic encryption distributes the encryption processing across the network rather than relying on
one central device. Continuous, on-demand or scheduled RF scans can be used to locate users and identify
and isolate potentially harmful rogue APs or other vulnerabilities.
3Com wireless switches and controllers integrate with backend Authorization/Authentication/Accounting
(AAA) servers, consistently enforcing user and group access policies across the wireless LAN to provide secure
session integrity as users roam throughout the network without the need for re-association or IT intervention.
The MAP 3950 also supports location-based service applications that rely on Wi-Fi signal information for
position location; common usages include asset tracking or client location.
FLEXIBLE EXTENDED WIRELESS NETWORK
In addition to traditional access point functionality, the MAP 3950 can also serve as an IEEE 802.11s mesh AP,
mesh point, mesh portal, or WDS bridge to other MAP 3950s, extending the reach of enterprise WLANs. The
MAP supports this in either point-to-point or point-to-multipoint topologies, allowing maximum flexibility
within a mesh or bridged environment.
The MAP 3950 can be configured with one radio for client services and the other for mesh service. The MAP
can also be used in a dedicated bridging mode, to provide seamless connectivity between buildings without
the expense of laying new cable.
SIMPLIFIED CONFIG RATION, CONTROL AND OPTIMIZATION
With remote management, the arduous process of initially configuring and deploying access points (APs) is
vastly simplified because configuration settings are centrally distributed for consistency and accuracy. And
for easier long-term management, any added MAPs inherit configuration settings from its wireless switch
or controller.
Automated network controls at the wireless switch improve coverage and service by optimizing RF gain,
assigning radio channels, balancing traffic loads and monitoring the RF environment of all managed access
points with which it is associated.
INVESTMENT PROTECTION WITH FORWARD AND BACKWARDS COMPATIBILITY
The 3Com Managed Access Point 3950 is fully compliant with the IEEE 802.11n Draft 2.0 standard, software-
upgradable to keep pace with evolving standards. This MAP has been extensively tested with new 802.11n
and legacy 802.11a/b/g clients for interoperability, and supports all relative encryption schemes with dedi-
cated hardware to ensure line-rate encrypted data traffic.
Fully compatible with all generations of the 3Com Wireless LAN Mobility System, the MAP 3950 can be
deployed without any hardware upgrades to existing switches or controllers.
3Com®Wireless LAN anaged Access Point 3950
3
FEAT RES CONVERGENCE-OPTIMIZED WIRELESS NETWORKING
Distributed forwarding
›
Optimize traffic flow, reducing latency and improving performance.
IEEE 802.11i PMK cached roaming
›
For real-time applications like voice, security credentials do not need
complete reauthentication when roaming between access points, reducing dropped voice sessions.
Session-based bandwidth reservation
›
Voice QoS can be assured with IEEE 802.11e TSPEC Call
Admissions Control (CAC).
Wi-Fi Multimedia (WMM)
›
W grants preference to high-priority traffic like voice.
Neighbor Report advertisement
›
Load balancing using IEEE 802.11k directs traffic to a neighbor AP that
has a lighter load or offers enhanced services.
Queuing
›
Determine which user or session needs traffic priority with priority queuing.
SEC RITY
Strong, multiple encryption
›
IEEE 802.11i WPA2™Advanced Encryption Standard (AES), WPA™dynamic
Temporal Key Integrity Protocol (TKIP) and Wi-Fi Equivalent Privacy (WEP) packet encryption help ensure strong
data security.
Virtual private group support
›
Administrators can independently encrypt and isolate subnets or VLANs
using the same SSID; up to 32 different SSIDs per radio can be configured
Intrusion Detection and Protection
›
ulti-band sweeps scan the RF environment, searching for rogue
access points, denial-of-service (DoS) attacks, ad-hoc users and sources of RF interference and takes action to
mitigate the intrusion.
Theft- and hacker-safe
›
No local data store of sensitive network data; if a AP is stolen, no secure information
goes with it. Integrated Kensington security lock helps deter theft and other unauthorized device removal.
INSTALLATION EASE AND FLEXIBILITY
Simple installation
›
No pre-staging or pre-configuration is required for new APs; replacement APs inherit
configuration information from its WLAN switch or controller.
Flexible deployment topologies
›
AP can directly or remotely connect to its WLAN switch or controller, offering
a wide variety of flexible deployment scenarios.
PoE support
›
Power is supplied by a 3Com wireless switch, or through any other 802.11af-compliant device
or any 802.3af+ (pre-standard 802.3at) device over standard Cat5 cabling, eliminating the need for power
adapters, power cords, or AC outlets.
All client operation
›
The AP 3950 supports IEEE 802.11a, .11b, .11g and .11n simultaneously for user flexibility.
3x3 MIMO
›
The AP 3950 supports 3 transmit and 3 receive chains with two spatial streams, making it an
ideal configuration for typical WLAN environments and providing a great cost/performance advantage over 2x2
and 2x3 I O solutions.
Re-use mounting hardware
›
The AP 3950 snaps onto existing 3Com AP 3850/3750 mounting brackets.
SCALABILITY AND RESILIENCY
Scales to hundreds of users
›
Supports up to 500 simultaneous clients.
Intelligent switching
›
Enables distributed forwarding of user traffic through the AP.
PoE and data port redundancy
›
If the AP loses either the LAN or PoE connection on either port, it will
automatically failover to the other port, increasing network uptime.
Always-on networking
›
Ubiquitous communications between 3Com wireless LAN switches and controllers in a
obility Domain with clustering allows automatic 3Com AP load balancing, zero downtime and hitless network
upgrades.
Client load balancing
›
Band steering seamlessly moves 5 GHz-capable clients to the higher capacity 5 GHz band.
COMPREHENSIVE MANAGEMENT AND CONTROL
Automated transmit power and radio channel assignment
›
Transmit power settings and radio channel
assignments can be set to optimize the RF cell size and to support international requirements.
Remote management
›
Channel number, power level, SSIDs and security settings are all handled by the
wireless LAN switch or controller for additional security; APs are not operational in stand-alone mode.
3Com®Wireless LAN anaged Access Point 3950
Visit www.3com.com for more information about 3Com secure converged network solutions.
3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-3064
3Com is publicly traded on NASDAQ under the symbol COMS.
Copyright © 2008 3Com Corporation. All rights reserved. 3Com and the 3Com logo are registered trademarks, and Express is a service mark of 3Com Corporation.
Wi-Fi, Wi-Fi Alliance, the Wi-Fi CERTIFIED logo, and WMM are registered trademarks, and Wi-Fi CERTIFIED, WPA, and WPA2 are trademarks, of the Wi-Fi
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. All specifications are subject to change without notice. 401091-002 09/08
ORDERING
INFORMATION
PROD CT DESCRIPTION 3COM SK
3Com Wireless LAN anaged Access Point 3950 3CRWX395075A
Wireless LAN Manage Access Point Options
3Com 802.3af Gigabit PoE Injector 3CNJPSE-GIG
Wireless LAN Controller, Switches an Software1
3Com Wireless LAN Controller WX4400 3CRWX440095A
3Com Wireless LAN Controller WX2200 3CRWX220095A
3Com Wireless LAN Switch WX1200 3CRWX120695A
3Com WXR100 Remote Office Wireless LAN Switch 3CRWXR10095A
3Com Wireless LAN Switch anager 3CWX 10A
3Com Global Services
3Com Wireless LAN Site Survey, Network Health Check,
Installation Services and ExpressS aintenance www.3com.com/services_quote
3Com University Courses www.3com.com/3comu
1 WLAN Controller or WLAN Switch required for management of access point.
SYSTEM REQ IREMENTS
A 3Com Wireless LAN Controller or
Switch—Wireless LAN Controller
WX4400 or WX2200, Wireless LAN
Switch WX1200, or WXR100 Remote
Office Wireless LAN Switch—
is required for MAP operation;
3Com Wireless LAN Switch Manager
recommended for MAP management
TOTAL PORTS
2 10BASE-T/100BASE-TX/1000BASE-T
IEEE 802.3af and 802.3af+ (pre-standard
802.3at) compatible PoE ports with
auto-negotiation
MEDIA INTERFACES
R -45; IEEE 802.11a, 802.11b,
802.11g, 802.11n Draft 2.0
DATA RATES
IEEE 802.11n: Modulation Coding
Scheme MCS 0–MCS 15 (6.5–300 Mbps)
IEEE 802.11a/g: 54, 48, 36, 24, 18, 12,
9, 6 Mbps; Orthogonal Frequency
Division Multiplexing (OFDM), with
automatic fallback
IEEE 802.11b: 11, 5.5, 2, 1 Mbps;
Direct-Sequence Spread Spectrum
(DSSS), with automatic fallback
FREQ ENCY BAND
IEEE 802.11n: 2.4-2.484 GHz and
5.15-5.85 GHz
IEEE 802.11a: 5.15-5.85 GHz
IEEE 802.11b/g: 2.4-2.484 GHz
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.
RADIO
Dual 802.11a/n (5 GHz) and 802.11b/g/n
(2.4 GHz), concurrent operation
ANTENNAS
Three internal 4.5 dBi (integrated)
2.4-2.48 GHz and three internal
3 dBi 5.15-5.825 GHz, RF-optimized
spherical coverage antennas for full
3x3 MIMO
TRANSMIT POWER SETTINGS
Based on regulatory domain (country
of operation), up to 19 dBm in 2.4
GHz, and up to 18 dBm in 5 GHz
POWER OPTIONS
Auto-selecting: standard IEEE 802.3af
for 2x3 mode, dual 802.3af for full
3x3 mode, and 802.3af+(pre-at) for
full 3x3 mode
SEC RITY
Hardware-based line-rate encryption
Static and Dynamic WEP 40-/64- and
104-/128-bit encryption with per
session rotating keys
WPA (TKIP) and WPA2 (AES)
64 SSIDs support at the MAP
Access Control Lists (ACLs) and VLAN
support at the wireless switch/ controller
Kensington Security Slot
LEDS
Power, Radio 1 and Radio 2, indicating
activity and health
STANDARDS CONFORMANCE
IEEE: 802.11a, 802.11b, 802.11d,
802.11e, 802.11g, 802.11h, 802.11i,
802.11k (draft), 802.11n draft 2.0,
802.1X, 802.3ab, 802.3af, 802.3af+
(draft 802.3at), 802.3i, 802.3u
Wi-Fi Alliance: WPA, WPA2, WMM,
WMM-PS, Wi-FI CERTIFIED for
802.11n,a,b and g
IETF: CAPWAPWG Taxonomy and
Architecture Compatibility
REG LATORY/AGENCY APPROVALS
Safety
UL 60950-1, 1st Edition
CAN/CSA C22-2 No. 60950-1-03
CB Scheme to IEC 60950-1, 1st Edition
EN 60950-1, 1st Edition
EU Low Voltage Directive 20023/95/EC
Environmental
WEEE: EU Directive 2002/96/EC
ROHS: EU Directive 2002/95/EC
EN 60601-1-2 (2001): EU Medical
Directive
Ra io
USA: 47CFR (FCC) Part 15.407
Canada: IC RSS-210, Issue 6
EU: ETSI EN301 893, EN301 489-1
and -17
apan: TELEC ARIB STD-70 (per new
W52/W53 requirements)
Other
EU EMC: Directive 89/336/EC
ROHS: EU Directive 1999/5/EC
FCC Part 15, Class B
IECS-003, Class B
DIMENSIONS AND WEIGHT
Diameter: 20.6 cm (8.11 in)
Depth: 8.2 cm (3.23 in)
Weight: 733 g (25.76 oz)
ENVIRONMENTAL RANGES
Operating temperature: 0 to 50°C
(32 to 122°F)
Storage temperature: -25 to 70°C
(-4 to 158°F)
Humidity: 10 to 95% non-condensing
PACKAGE CONTENTS
3Com managed WLAN access point
Mounting hardware
Quick Start guide
Warranty booklet
WARRANTY AND OTHER SERVICES
Limited Hardware Warranty for one
year. 90 days free technical support.
Refer to www.3com.com/warranty
for details.
SPECIFICATIONS

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