53COM® SUPERSTACK® 3 SWITCH 4900 FAMILY DATA SHEETSpecificationsAll information is for SuperStack 3 Switch 4900Family unless stated otherwise.ConnectorsSuperStack 3 Switch 4900:12 10/100/1000 copper portsSuperStack 3 Switch 4900 SX:12 1000BASE-SX ports (MT-RJ)SuperStack 3 Switch 4924:24 10/100/1000 copper portsSuperStack 3 Switch 4950:12 10/100/1000 copper ports, 6 1000BASE-SX ports(MT-RJ), 6 GBIC portsAll have one module slot accommodating Switch 4900family expansion modulesAll have Advanced Redundant Power System Type 3connectorSuperStack 3 Switch 4900 Expansion Modules:3C17710: 4 x 1000BASE-SX ports (MT-RJ)3C17711: 4 x 1000BASE-T ports (MT-RJ)3C17712: 4 x 1000BASE-LX ports (MT-RJ)3C17714: 4 x GBIC portsDimensionsHeight: 6.6 cm (2.6 in)Width: 44 cm (17.3 in)Depth:SuperStack 3 Switch 4900 & 4900 SX: 37 cm (14.5 in)SuperStack 3 Switch 4924 & 4950: 41 cm (16.3 in)Weight:SuperStack 3 Switch 4900 & 4900 SX: 6.5 kg (14.3 lb)SuperStack 3 Switch 4924: 6.3 kg (13.9 lb)SuperStack 3 Switch 4950: 6.7 kg (14.8 lb)PerformanceSuperStack 3 Switch 4900 & 4900 SX23 million packets per secondSuperStack 3 Switch 4924 & 495041.6 million packets per secondReliabilitySuperStack 3 Switch 4900: 317,000 hoursSuperStack 3 Switch 4900 SX: 340,000 hoursSuperStack 3 Switch 4924: 208,000 hoursSuperStack 3 Switch 4950: 266,000 hoursEnvironmental RequirementsOperating temperature: 0° to 40°C (32° to 104°F)Storage Temperature: -40° to +70°C (-40° to +158°F)Operating Humidity: 10% to 90% relative humiditynon-condensingStandards: EN60068 (IEC68)Safety Agency CertificationsEN60950, IEC 60950 UL60950, CSA22.2 No. 60950EmissionsEN55022 Class A, FCC Part 15 Subpart B Class A,ICES-003 Class A, VCCI Class A, AS/NZS 3548 Class A,CNS 13438 Class AImmunity: EN55024Heat Dissipation:4900 & 4900 SX: 50 W maximum (168 BTU/hr)4924: 254 W maximum (870 BTU/hr)4950: 200 W maximum (683 BTU/hr)Power SupplyAC Line Frequency 50/60 HzInput Voltage Options 90-240 VACCurrent Rating 4.5A maximumIndustry Standards SupportedEthernet ProtocolsIEEE 802.1D (STP)IEEE 802.1p (CoS)IEEE 802.1Q (VLANs)IEEE 802.1w (RSTP)IEEE 802.3ad (Link Aggregation)IEEE 802.3i (10BASE-T)IEEE 802.3u (Fast Ethernet)IEEE 802.3x (Flow Control)IEEE 802.3z (Gigabit Ethernet)Administration ProtocolsRFC768 (UDP)RFC791 (IP)RFC792 (ICMP)RFC793 (TCP)RFC826 (ARP)RFC854 (Telnet)RFC1350 (TFTP)RFC1542 (BOOTP/DHCP)RFC2616 (HTTP)SNMP StandardsRFC1157 (SNMP Protocol)RFC1213 (SNMP MIB II)RFC1215 (SNMP MIB II Traps)RFC1493 (Bridge MIB)RFC1659 (RS232 MIB)RFC1757 (RMON I)RFC2021 (RMON II Probe Config)RFC2233 (Interfaces MIB)RFC2618 (RADIUS Authentication Client MIB)RFC2665 (EtherLike-MIB)RFC2620 (RADIUS Accounting Client MIB)RFC2674 (Bridge MIB Extensions)RFC2668 (MAU MIB)RFC2925 (Traceroute, Remote PING, Lookup MIB)Routing ProtocolsRFC1058 (RIP)RFC1519 (CIDR)RFC1723 (RIP v2)RFC 1724 (RIP v2 Extensions)RFC1850 (OSPF MIB)RFC2328 (OSPF Version 2)RFC2096 (IP Forwarding Table)RFC2131 (BOOTP/DHCP Relay)ManagementWeb interfaceCommand line interfaceSNMP compatibilityManagement through 3Com management applications- 3Com Network Supervisor- 3Com Network Director- 3Com Enterprise Management SuiteWarrantyLimited Lifetime Hardware Warranty. LimitedSoftware Warranty for ninety (90) days. Seewww.3com.com/warranty for details.Other Service BenefitsAdvance hardware replacement with same day shipmentfor North America and Western Europe. Next dayshipment for rest of world. Calls must be receivedby published cut-off times.90 days of telephone technical support. Limited softwareupdates.See www.3com.com/warranty for more detail.Register products at http://eSupport.3com.com/