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Affordable Fiber Gigabit Backbone Switching: Get high-performance, feature-rich Gigabit Ethernet switching in a simple, affordable platform. This switch supports multimode fiber cabling, and is ideal for small to midsize networks with growing bandwidth requirements. It's also perfect for enterprises that need economical switching for the data center, servers, or wiring closet.
The SuperStack 3 Switch 4900 SX supports 3Com Gigabit Multilayer Switching software, which offers feature-rich Layer 2 functionality, Layer 3 switching for IP networks, and advanced traffic prioritization and security capabilities to accommodate the ever growing requirements of core Gigabit backbones.
32°F (0°C) to 104°F (40°C) Operating / -40°F (-40°C) to 158°F (70°C) Storage
Manufacturer Part Number
Manufacturer Website Address
SuperStack 3 Switch 4900
(1 Total) Expansion Slot
Number of Expansion Slots
Modular design full duplex capability layer 2 switching manageable Full-/half-duplex auto-negotiation and flow control, 802.1Q VLAN support, 802.1p traffic prioritization 3Com XRN (eXpandable Resilient Networking) technology allows implementation of high availability configurations using two interconnected Switch 4050s or Switch 4060s, scaling the backbone to 48 wirespeed Gigabit Layer 3 switching ports (with purchase of optional 3Com XRN Interconnect Kit). Advanced Layer 2 and Layer 3 functionality-such as multicast filtering, enhanced QoS/CoS services, virtual LANs, and multilayer traffic classification and prioritization-provides network-wide traffic control. 3Com-developed ASIC architecture delivers 56 Gbps multilayer switching capacity per unit, wire-speed performance across all ports, and a forwarding rate of more than 41 million pps. Layer 3 switching capabilities-such as IP unicast using static routes, RIP/RIPv2, and CIDR-help enhance performance, provide network control and security, and enable routing between VLANs. Support for high availability software features such as Link Aggregation using 802.3.ad, Resilient links, Spanning Tree and Rapid Spanning Tree (802.1w), seven groups of RMON, and e-mail alerts. Security features like RADIUS client support and Routed Access Control Lists protect sensitive network information and ensure that users have access to authorized resources. Optional 1000BASE-SX, 1000BASE-T, 1000BASE-LX and GBIC-based expansion modules deliver four ports of high-performance, feature-rich switching over copper or multimode fiber. 3Com Network Supervisor, (60-day trial version included with the switch), offers discovery, mapping, monitoring, and alerting for easy network administration.
Switch Rubber feet User's guide
Certifications & Standards
SNMP Standards: SNMP 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) EN60068 (IEC68) Safety Agency Certifications: UL1950 EN60950 CSA22.2 No. 950 IEC 60950 Emissions: EN55022 Class A FCC Part 15 Subpart B Class A ICES-003 Class A VCCI Class A AS/NZS 3548 Class A CNS 13438 Class A Immunity: EN55024 Compliant Standards: UL
3Com Network Supervisor (trial copy provided on accompanying CD) Web interface Command line interface management SNMP compatibility
Additional Warranty Information
HARDWARE: 3Com warrants to the end user ("Customer") that this hardware product will be substantially free from material defects in workmanship and materials, under normal use and service, for the following length of time from the date of purchase from 3Com or its authorized reseller: DURATION: Limited Lifetime, for as long as the original Customer owns the product or for 5 years after product discontinuance, whichever occurs first (not transferable to a subsequent end user). FOR NON-US CUSTOMERS: Where a limited lifetime warranty is not permitted by local law, a 10 year warranty period shall be given by 3Com. The duration of this warranty shall be modified where necessary to meet any minimum warranty period required by law. 3Com's sole obligation under this express warranty shall be, at 3Com's option and expense, to repair the defective product or part, deliver to Customer an equivalent product or part to replace the defective item, or if neither of the two foregoing options is reasonably available, refund to Customer the purchase price paid for the defective product. All products that are replaced will become the property of 3Com. Replacement products or parts may be new or reconditioned. 3Com warrants any replaced or repaired product or part for ninety (90) days from shipment, or the remainder of the initial warranty period, whichever is longer.
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