3Com 3Com Switch 5500G-EI 24-Port Specifications - page 7
Front panel indicators for port and unit status information
Supports ping, remote ping and traceroute
Configuration file for backup and restore, stored in non-volatile
memory; multiple configuration files available
Backup and restore of software images
Network Time Protocol (NTP)
DhCP Relay and UDP helper
System file transfer mechanisms: Xmodem, FTP, Trivial FTP (TFTP),
Secure FTP (SFTP)
Link Layer Discovery Protocol (LLDP and LLDP-MED)
3Com management applications:
• 3Com Enterprise Management Suite for flexible, extensible
management in advanced enterprise IT environments
• 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
• 3Com Network Access Manager for IEEE 802.1X and RADA
integration with IAS/Active Directory
• 3Com Switch Manager for virtual clustering support across 3Com
switch families
DIMENSIONS
height: 43.6 mm (1.7 in or 1U)
Width: 440 mm (17.3 in)
Depth: 450 mm (17.7 in)
Weight: varies, depending on PSU installed
POWER SUPPLY
Mode support: AC-only, AC and DC, DC-only operation
Built-in DC power stage for direct connection to -48 V supply
Field-replaceable power supply
AC Line Frequency: 50/60 hz
Input Voltage: 90-240 VAC
AC current rating: 3.0A max. (PWR models: 8.0A max.)
DC current rating: 5.5A max. (PWR 24-port: 12.0A;
PWR 48-port: 19.5A; max.)
Non-PWR models are field-upgradeable to PoE support with
installation of PoE-enabled power supply
Power consumption (max)
24-port non-PWR: 74 W
48-port non-PWR: 142 W
24-port PWR: 109 W, plus up to 300 W for PoE
48-port PWR: 181 W, plus up to 300 W for PoE
24-port SFP: 65 W
ENVIRONMENTAL
Operating temperature: 0° to 40°C (32° to 104°F)
Operating altitude: 0 to 4,572 meters (0 to 15,000 feet)
Storage temperature: -40° to 70°C (-40° to 158°F)
humidity (operating and storage): 10% to 95% non-condensing
Standard: EN 60068 (IEC 68)
Sound pressure level (dBA):
• 48-port: 54.5 decibels
• 48-port PWR: 53.0 decibels
• 24-port: 52.6 decibels
• 24-port PWR: 54.1 decibels
• 24-port SFP: 57.4 decibels
Heat dissipation (max.)
24-port non-PWR: 253 BTU/hour
48-port non-PWR: 483 BTU/hour
24-port PWR: 373 BTU/hour; excludes heat from PoE
48-port PWR: 618 BTU/hour; excludes heat from PoE
24-port SFP: 222 BTU/hour
RELIABILITY
(MTBF @ 25°C)
48-port: 25 years (219,000 hours)
48-port PWR: 23 years (201,000 hours)
24-port: 34 years (298,000 hours)
24-port PWR: 31 years (272,000 hours)
24-port SFP: 29 years (256,000 hours)
INDUSTRY STANDARDS SUPPORTED
Ethernet Protocols
IEEE 802.1D (STP)
IEEE 802.1p (CoS)
IEEE 802.1Q (VLANs)
IEEE 802.1s (MSTP)
IEEE 802.1v (Protocol VLANs)
IEEE 802.1w (RSTP)
IEEE 802.1X (Security)
IEEE 802.3 (Ethernet)
IEEE 802.3ab (1000BASE-T)
IEEE 802.3ad (Link Aggregation)
IEEE 802.3ae (10G Ethernet)
IEEE 802.3af (Power over Ethernet)
IEEE 802.3i (10BASE-T)
IEEE 802.3u (100BASE-TX/-FX)
IEEE 802.3x (Flow Control)
IEEE 802.3z (1000BASE-X)
Management, including MIBs Supported
RFC 768 (UDP)
RFC 783 (TFTP)
RFC 791 (IP)
RFC 792 (ICMP)
RFC 793 (TCP)
RFC 826 (ARP)
RFC 1058 (Routing Information Protocol)
RFC 1112 (IP Multicasting)
RFC 1157 (SNMP)
RFC 1213 (MIB II)
RFC 1253 (OSPF v2)
RFC 1583 (OSPF v2)
RFC 1587 (OSPF NSSA Option)
RFC 1724 (RIP v2 MIB Extension)
RFC 1757 (RMON)
RFC 1812 (Requirements for IPv4 Routers)
RFC 1850 (OSPF v2)
RFC 1901 (Community Based SNMP v2)
RFC 1902 (SMI for SNMP v2 )
RFC 1903 (SNMP v2 Text Conventions)
RFC 1904 (SNMP v2 Conformance)
RFC 1905 (SNMP v2 Protocol Operations)
RFC 1906 (SNMP v2 Transport Mappings)
RFC 1907 (SNMP v2c)
RFC 1908 (SNMP v1/2 Coexistence)
RFC 2021 (RMON II Probe Config)
RFC 2154 (OSPF Digital Signatures)
RFC 2233 (Interfaces)
RFC 2236 (IGMP v2)
RFC 2328 (OSPF v2)
RFC 2338 (VRRP)
RFC 2362 (PIM-SM)
RFC 2570 (SNMP v3 Framework)
RFC 2571 (FrameWork)
RFC 2571-2575 (SNMP)
RFC 2576 (SNMP v1/2/3 Coexistence)
RFC 2578 (SMI v2 Structure)
7
3COM SWITCH 5500G GIGABIT FAMILY
SPECIFICATIONS
(continued)