3 C O M ®S U P E R S TA C K ®3 S W I T C H 4 9 2 4 A N D S U P E R S TA C K 3 S W I T C H 4 9 5 0 D ATA S H E E T3Com Corporation, Corporate Headquarters, 5400 Bayfront Plaza, P.O. Box 58145, Santa Clara, CA 95052-8145.To learn more about 3Com solutions, visit www.3com.com. 3Com Corporation is publicly traded on Nasdaq under thesymbol COMS.Copyright © 2002 3Com Corporation. All rights reserved. 3Com, the 3Com logo, and SuperStack are registered trademarks of3Com Corporation. All other company and product names may be trademarks of their respective companies. While every effortis made to ensure the given information is accurate, 3Com does not accept liability for any errors or mistakes which may arise.All specifications are subject to change without notice. 400721-003 05/023Com SuperStack 3 Switch 4924 3C177013Com SuperStack 3 Switch 4950 3C17706Optional Modules and Accessories3Com SuperStack 3 Switch 49001000BASE-SX Module 3C177103Com SuperStack 3 Switch 49001000BASE-T Module 3C177113Com SuperStack 3 Switch 49004-port1000BASE-LX module 3C177123Com SuperStack 3 Switch 49004-Port GBIC Module 3C177143Com 1000BASE-SX GBIC 3CGBIC913Com 1000BASE-LX GBIC 3CGBIC923Com 1000BASE-LH70 GBIC(up to 70km) 3CGBIC973Com SuperStack AdvancedRedundant Power System Chassis 3C16071B3Com SuperStack AdvancedRedundant Power System Type 3 325W 3C16075Ordering InformationAll information in this section isrelevant to both the SuperStack 3Switch 4950 and Switch 4924unless stated otherwise.3Com SuperStack 3 Switch 4950Connectors12 autosensing 10/100/1000ports, 6 fixed 1000BASE-SXports (MT-RJ), 6 GBIC portsaccommodating 1000BASE-SX,1000BASE-LX GBICs or1000BASE-LH70 GBICs1 module slot accommodatingSwitch 4900 family expansionmodulesAdvanced Redundant PowerSystem Type 3 connector3Com SuperStack 3 Switch 4924Connectors24 fixed autosensing10/100/1000 ports1 module slot accommodatingSwitch 4900 family expansionmodulesAdvanced Redundant PowerSystem Type 3 connectorDimensionsHeight: 6.6 cm (2.6 in)Width: 44 cm (17.3 in)Depth: 41 cm (16.3 in)Weight:Switch 4924: 6.3 kg (13.9 lb)Switch 4950: 6.7 kg (14.8 lb)Performance41.6 million packets per secondReliabilityMTBF @ 40°C: 326,000 hoursEnvironmental RequirementsOperating temperature: 0° to40°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 CertificationsUL60950, EN60950, CSA22.2No. 60950, IEC 60950EmissionsEN55022 Class A, FCC Part 15Subpart B Class A, ICES-003Class A, VCCI Class A, AS/NZS3548 Class A, CNS 13438 Class AImmunity: EN55024Heat Dissipation:Switch 4924: 254 W maximum(870 BTU/hr maximum)Switch 4950: 200 W maximum(683 BTU/hr maximum)Power SupplyAC Line Frequency 50/60 HzInput Voltage Options 90-240VACCurrent Rating 4.5A maximumSwitchingFeatures/Functionality802.1D802.1Q VLAN SupportIGMP SnoopingLink AggregationSNMP StandardsSNMP Protocol (RFC 1157)MIB-II (RFC 1213)Bridge MIB (RFC 1493)RMON MIB II (RFC2021)Remote Monitoring MIB(RFC 1757)Interface MIB (2233)MAU MIB (RFC 2668)AdministrationUDP (RFC 768)IP (RFC 791)ICMP (RFC 792)TCP (RFC 793)ARP (RFC 826)TFTP (RFC 783)TELNET (RFC854)BOOTP/DHCP (RFC1542)HTTP (RFC2068)Routing ProtocolsRFC 1058 RIPRFC 1519 CIDRRFC 1723 RIP v2RFC 2131 BootP/DHCP RelayWarranty and Non-WarrantyServicesLimited Lifetime Warranty, foras long as the original Customerowns the product, or five yearsafter product discontinuance,whichever occurs first. Includesfan and power supply.After registering the productonline, other free supportservices such as telephonesupport, fast hardware replace-ment, and software updates mayalso be available, depending onregional availability and retailerparticipation.Management3Com Network Supervisorprovided free of charge onaccompanying CDWeb interfaceCommand line interfacemanagementSNMP compatibilitySpecifications