3Com 3CR17172-91 Datasheet - page 7
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3COM SWITCH 5500 10/100 FAMILY
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 1 RU)
Width: 440.0 mm (17.3 in)
Depth: 270.0 mm (10.6 in) (PWR models: 427.0 mm (16.8 in))
Weight: 3.3 kg (7.3 lb) (PWR models: 6.3 kg (13.9 lb))
POWER SUPPLY
Mode support: AC-only, AC and DC, DC-only operation
Built-in DC power stage for direct connection to -48 V supply
AC line frequency: 50/60 hz
Input voltage: 90-240 VAC
AC current rating: 1.0A max. (PWR models: 7.0A max.)
DC current rating: 2.0A max. (PWR 28-port: 12.0A;
PWR 52-port: 19.5A; max.)
Power consumption (max)
52-port non-PWR: 43 W
52-port PWR: 62 W, plus up to 300 W for PoE
28-port non-PWR: 36W
28-port PWR: 50 W, plus up to 300 W for PoE
28-port FX: 47 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):
• 52-port non-PWR: 46.5 decibels
• 52-port PWR: 46.3 decibels
• 28-port non-PWR: 40.1 decibels
• 28-port PWR: 47.3 decibels
• 28-port FX: 51.3 decibels
Heat dissipation (max)
52-port non-PWR: 147 BTU/hour
52-port PWR: 212 BTU/hour; excludes heat from PoE
28-port non-PWR: 123 BTU/hour
28-port PWR: 171 BTU/hour; excludes heat from PoE
28-port FX: 160 BTU/hour
RELIABILITY
(MTBF @ 25°C)
52-port: 44 years (385,000 hours)
52-port PWR: 21 years (184,000 hours)
28-port: 53 years (464,000 hours)
28-port PWR: 30 years (263,000 hours)
28-port FX: 38 years (332,000 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 802.3af (Power over Ethernet)
IEEE 802.3ah (Ethernet in First Mile over Point to Point Fiber — EFMF)
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)
RFC 2579 (SMI v2 Text Conventions)
RFC 2580 (SMI v2 Conformance)
RFC 2613 (Remote Network Monitoring MIB Extensions)
RFC 2618 (RADIUS Authentication Client)
RFC 2620 (RADIUS Accounting Client)
RFC 2644 (Restricted Directed Broadcast)
RFC 2665 (Pause Control)
RFC 2674 (VLAN MIB Extension)
RFC 2819 (RMON groups Alarm, Event, history and Statistics only)
RFC 2819 (RMON)
SPECIFICATIONS
(continued)