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SPECIFICATIONS
CONNECTORS
24 total available ports, comprised of:
20 auto-negotiating 10BASE-T/
100BASE-TX/1000BASE-T ports
configured as auto MDI/MDIX
4 dual-personality Gigabit port pairs,
configurable as 10BASE-T/100BASE-TX/
1000BASE-T or SFP
PERFORMANCE
25.8 Gbps, max.
Wirespeed performance across ports
LAYER 2 SWITCHING
8,196 MAC addresses in address table
256 port-based VLANs (IEEE 802.1Q);
max.
IEEE 802.3ad Link Aggregation, Link
Aggregation Control Protocol (LACP)
Auto-negotiation of port speed and
duplex
IEEE 802.3x full-duplex flow control
IEEE 802.1D Spanning Tree Protocol
(STP)
IEEE 802.1w Rapid Spanning Tree
Protocol (RSTP)
IEEE 802.1s Multiple Spanning Tree
Protocol (MSTP)
Internet Group Management Protocol
(IGMP) snooping on Layer 1 and 2
interfaces
CONVERGENCE
4 hardware queues per port
IEEE 802.1p Class of Service/Quality
of Service (CoS/QoS)
Wi-Fi Multimedia (WMM)
256 Access Control Lists (ACLs)
4 BSSIDs per radio
Diffserv Codepoint (DSCP)
SECURITY
Rogue AP detection and mitigation
IEEE 802.1X network login user
authentication
EAP over LAN (EAPoL) transport with
PEAP and EAP-TLS authentication
Local and RADIUS server authentication
Automatic VLAN assignment via
RADIUS server
RADIUS Authentication (RFC 2618)
IEEE 802.1X user authentication of
switch management on switch Telnet
and console sessions; multiple access
privilege levels
Hierarchical management and password
protection for management interface
WIRELESS ENCRYPTION
WPA Personal and Enterprise
WPA 2 Personal and Enterprise
AES (CCMP): 128-bit (FIPS-197)
WEP 40/64- and 104/128-bit
TKIP: RC4 40-bit
SSL and TLS: RC4 128-bit and RSA
1024- and 2048-bit
EAP-TLS, EAP-TTLS/MSCHAPv2,
PEAPv0/EAP-MSCHAPv2, EAP-SIM
3COM
®
POWER OVER ETHERNET
IEEE 802.3af
15.4W per port, max.
ACCESS POINT SUPPORT
Ships with support for up to 24 of the
below access points:
• 3Com Wireless 7760 11a/b/g PoE
Access Point (3CRWE776075)
• 3Com Wireless 8760 Dual Radio
11a/b/g PoE Access Point
(3CRWE876075)
Max. 30 users per AP radio;
250 wireless clients max. per switch
ROAMING SUPPORT
Inter-AP roaming
Fast roaming
Dynamic load balancing
MANAGEMENT
Embedded GUI web management
interface
CLI via console or Telnet
System configuration with SNMP v1,
2c and 3 encryption
SSH v2 encryption
Configuration file for backup and
restore; dual configuration files
available
Dual firmware images
System upgrade via HTTP and
TFTP (RFC1350)
Syslog
SNTP
RADIO RESOURCE MANAGEMENT
Automatic channel assignment
Dynamic load balancing
Bandwidth management (WMM)
DIMENSIONS
Height: 4.4 cm (1.7 in or 1 RU)
Width: 44.0 cm (17.3 in)
Depth: 41.5 cm (16.3 in)
Weight: 5.9 kg (13.0 lb)
POWER SUPPLY
AC Line Frequency: 50/60 Hz
Input Voltage: 100-240 VAC
Current Rating: 8A, max.
Power consumption: 465W, max.
Power dissipation: 207 BTU/hr, max.
ENVIRONMENTAL REQUIREMENTS
Operating temperature: 0° to 40°C
(32° to 104°F)
Storage temperature: -40° to 70°C
(-40° to 158°F)
Humidity (operating and storage):
10% to 95% non-condensing
Standard: EN60068 (IEC 68)
RELIABILITY
MTBF: 36 years (315,000 hours)
LED INDICATORS
Port speed or PoE status, SFP module
presence, fan, system
UNIFIED GIGABIT WIRELESS POE SWITCH 24
IEEE STANDARDS SUPPORTED
IEEE 802.1d Spanning Tree
IEEE 802.1p Priority Tags
IEEE 802.1Q VLANs
IEEE 802.1s Multiple Spanning Tree
IEEE 802.1X RADIUS
IEEE 802.1w Rapid Spanning Tree
IEEE 802.3 Ethernet
IEEE 802.3ab Gigabit Ethernet
IEEE 802.3ac VLAN tag
IEEE 802.3ad Link Aggregation
IEEE 802.3af Power over Ethernet
IEEE 802.3u Fast Ethernet
IEEE 802.3x Flow Control
IEEE 802.3z Gigabit Ethernet
IEEE 802.11a 54 Mbps, 5 GHz
IEEE 802.11b 5.5 and 11 Mbps,
2.4 GHz
IEEE 802.11d International roaming
extensions
IEEE 802.11g 54 Mbps, 2.4 GHz
IEEE 802.11h Spectrum managed 802.11a
IEEE 802.11i Enhanced security
EMISSIONS / AGENCY APPROVALS
EN55022 Class A
FCC Part 15 Subpart B Class A
ICES-003 Class A
VCCI Class A
CISPR 22 Class A
EN61000-3-2
EN61000-3-3
IMMUNITY
EN55024
EN60601-1-2
SAFETY AGENCY CERTIFICATIONS
UL 60950-1
EN60950-1
CSA 2.22 # 60950-1
IEC 60950-1
EU RoHS Compliant
PACKAGE CONTENTS
Switch unit, power cord, self-adhesive
rubber pads, rack-mount kit, Quick
Start Guide, warranty flyer
SYSTEM PREREQUISITES
Windows PC with Internet Explorer
version 6.0 or greater reuired for GUI
web management
DHCP server
WARRANTY AND OTHER SERVICES
Three-year Hardware Warranty,
including fans and power supply
Limited Software Warranty for 90 days
Advance Hardware Replacement
with Next Business Day shipment in
most regions
90 days of telephone technical support
www.3com.com/warranty
Refer to
for details.
7
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