7
3COM 4500 10/100 FAMILY
from top: 3Com Switch 4500 26-Port, Switch 4500 PWR 50-Port
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: 82 BTU/hour
50-port: 137 BTU/hour
26-port PWR: 163 BTU/hour; excludes heat from PoE
50-port PWR: 203 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)
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
Refer to www.3com.com/warranty for details.
SPECIFICATIONS
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