3Com 4500 Datasheet page 7

SPECIFICATIONS
(CONTINUED)
SECURITY
IEEE 802. 1X Network login user
authentication:
• EAP over LAN (EAPoL) transport
with EAP-MD5, EAP-TLS,
EAP-TTLS, PAP, PEAP and
CHAP authentication
• Multiple users per port
• 1024 users per fabric
Local and RADIUS server authentication
RADIUS session accounting
Automatic VLAN assignment via
RADIUS server
Wirespeed packet filtering in hardware
ACLs filter at Layers 2, 3 and 4:
• Source/destination MAC address
• Ethernet type
• Source/destination IP address
• Source/destination TCP port
• Source/destination UDP port
RADIUS Authenticated Device
Access (RADA): authenticate devices
based on MAC address against
RADIUS server, and assign VLAN ID
and ACL
IEEE 802.1X user authentication of
switch management on switch Telnet
and console sessions; four access
privilege levels
Hierarchical management and pass-
word protection for management
interface
SNMP v3 encryption
SSH
v2
STACKING
Up to 384 10/100 front panel ports
Single IP address and management
interfaces for stack-wide control
Distributed Link Aggregation
Clustering management with
Switch 5500G, 5500, 4500G, 4500,
4210 and 4200G
MANAGEMENT
CLI via conso le or Telnet
Remote configuration via modem
dial-up
Embedded web management interface
System configuration with SNMP v1,
2 and 3
IPv6 management including pingv6,
tracertv6, Telnetv6, TFTPv6, DNSv6
and ARPv6
IPv6 management interface IP address
configuration
Comprehensive statistics, including
ACL/QoS and IP interface
Remote Monitoring (RMON) groups
statistics, history, alarm and events
1-to-1 and many-to-1 port mirroring
Detailed alarm and debug information
Supports ping and traceroute
Syslog remote logging
Network Time Protocol (NTP)
Configuration file for backup and
restore; multiple configuration files
available
Queuing algorithms
DHCP Relay and UDP Helper
System file transfer mechanisms:
Xmodem, File Transfer Protocol (FTP),
Trivial File Transfer Protocol (TFTP)
3Com Management Applications:
• 3Com Enterprise Management Suite
for flexible, extensible management
in advanced enterprise IT environ-
ments
• 3Com Network Director for
comprehensive, turn-key network
management for the enterprise
• 3Com Network Supervisor for basic,
turn-key network management for
mid-market businesses
DIMENSIONS
Height: 43.6 mm (1.7 in or 1 RU)
Width: 440.0 mm (17.3 in)
Depth:
Non-PWR models: 270.0 mm (10.6 in)
PWR models: 427.0 mm (16.8 in)
Weight:
Non-PWR models: 3.3 kg (7.3 lb)
PWR models: 6.3 kg (13.9 lb)
POWER SUPPLY
AC Line Frequency: 50/60 Hz
Input Voltage: 90-240 VAC
Current Rating: 1.0A maximum
Power consumption
(max)
26-port: 35W
50-port: 45W
26-port PWR: 60W plus up to
300W for PoE
50-port PWR: 70W plus up to
300W for PoE
ENVIRONMENTAL REQUIREMENTS
Operating temperature: 0° to 40°C
(32° to 104°F)
Storage temperature: -10° to 70°C
(14° to 158°F)
Humidity (operating and storage):
10% to 95% non-condensing
Standard: EN 60068 (IEC 68)
Heat dissipation
(max)
26-port: 120 BTU/hour
50-port: 155 BTU/hour
26-port PWR: 205 BTU/hour;
excludes heat from PoE
50-port PWR: 240 BTU/hour;
excludes heat from PoE
RELIABILITY
(MTBF @ 25°C)
26-port: 47 years (411,000 hours)
26-port PWR: 25 years (221,000 hours)
50-port: 38 years (334,000 hours)
50-port PWR: 22 years (189,000 hours)
IEEE STANDARDS SUPPORTED
IEEE 802.1D (STP)
IEEE 802.1p (CoS)
IEEE 802.1Q (VLANs)
IEEE 802.1w (RSTP)
IEEE 802.1X (Security)
IEEE 802.3 (Ethernet)
IEEE 802.3ab (1000BASE-T)
IEEE 802.3ad (Link Aggregation)
IEEE 802.3af (Power over Ethernet)
IEEE 802.3i (10BASE-T)
IEEE 802.3u (Fast Ethernet)
IEEE 802.3x (Flow Control)
IEEE 802.3z (1000BASE-X)
3Com Switch 4500 10/100 Family
®
RFC STANDARDS
RFC 783 (TFTP)
RFC 791 (IP)
RFC 793 (TCP)
RFC 826 (ARP)
RFC 951 (BootP)
RFC 1157 (SNMP)
RFC 1723 (RIP)
RFC 1305 (NTP)
RFC 2131 (DHCP client)
RFC 2236 (IGMP Snooping)
RFC 2284 (EAP over LAN)
RFC 2819 (RMON)
Management, including MIBs
Supported
RFC 1212 (Concise MIB definitions)
RFC 1213/2233 (MIB II)
RFC 1493 (Bridge MIB)
RFC 1724 (RIP v2 MIB Extension)
RFC 1907 (SNMP v2c, SMI v2 and
Revised MIB-II)
RFC 2021 (RMON II Probe Config
MIB)
RFC 2233 (Interfaces MIB)
RFC 2571 (SNMP Framework)
RFC 2572-2575 (SNMP)
RFC 2665 (EtherLike MIB)
RFC 2667 (IP Tunnel MIB)
RFC 2674 (VLAN MIB Extension)
RFC 2737 (Entity MIB)
RFC 2819 (RMON MIB)
EMISSIONS / AGENCY APPROVALS
CISPR 22 Class A
FCC Part 15 Class A
EN 55022 1998 Class A
EN 61000-3-2 2000, 61000-3-3
ICES-003 Class A
VCCI Class A
IMMUNITY
EN 55024
SAFETY AGENCY CERTIFICATIONS
UL 60950
IEC 60950-1
EN 60950-1
CAN/CSA-C22.2 No. 60950-1-03
WARRANTY AND OTHER SERVICES
Limited Lifetime Hardware Warranty,
including fans and power supply
Limited Software Warranty for 90 days
Advance Hardware Replacement
with Next Business Day shipment in
most regions
Limited Lifetime software updates
90 days of telephone technical support
www.3com.com/warranty
Refer to
for details.
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