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3CR17451-91

Product Description

3COM 3CR17451-91 SuperStack 3 Switch 3870; 48-Port. 48 autosensing 10BASE-T/100BASE-TX/1000BASE-T ports; 4 SFP slots; console port; 2 stacking ports; 10-Gigabit expansion slot. RJ-45 (switch device); LC (optional SFP); 10GBASE-X

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Condition: Refurbished
Packaging: Single Box
UPC: 6.62705E+11

Availability: 23

$600.00

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Quick Overview

3COM 3CR17451-91 SuperStack 3 Switch 3870, 48-Port

3CR17451-91

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Features

  • 48 auto-negotiating 10/100/1000 ports for seamless migration from Ethernet or Fast Ethernet to Gigabit Ethernet (24-port model also available)
  • Integrated dual 10Gbps full duplex stacking ports - 40Gbps total stacking bandwidth - for stacking of up to eight units high
  • Wirespeed, with forwarding rates up to 115 million pps, and a switching capacity of 156 Gbps
  • Dynamic routing with RIP (Routing Information Protocol) allowing automatic updating of Layer 3 network topologies
  • Includes four dual-purpose ports, supporting SFP slots to accommodate 1000BASE-SX, 1000BASE-LX, and 1000BASE-LH connectivity
  • Supports IEEE 802.3ae 10Gigabit module for high-speed inter-switch connections
  • Up to 32 trunks of eight ports each can be configured using IEEE 802.3ad LACP, delivering 8Gbps bandwidth uplinks per trunk; trunked ports able to cross stacked units
  • Quality of Service (QoS), with eight queues per port, control traffic flow and improve network performance
  • Utilize 255 VLANs to control and secure network traffic
  • Available optional 3Com Advanced Redundant Power Supply

Specifications

Total ports:48 autosensing 10BASE-T/100BASE-TX/1000BASE-T ports (four of which are dual-purposed with the SFP slots); 4 SFP slots accommodating 1000BASE-SX, 1000BASE-LX and 1000BASE-LH SPFs (SFPs sold separately); console port; 2 stacking ports; 10-Gigabit expansion slot 
Media interfaces:RJ-45 (switch device), LC (optional SFP), 10GBASE-X (via Xenpaks) 
Ethernet switching features:Full-rate nonblocking switching on all 1000 Mbps Ethernet ports; flow control; IEEE 802.1Q VLAN support; IEEE 802.1p traffic prioritization; IEEE 802.3ad Link Aggregation Control Protocol (10/100/1000 ports only); IEEE 802.1w Rapid Spanning Tree Protocol; IEEE 802.1X network login 
Ethernet Routing Features:Hardware-based routing; Static routes: 10; Dynamic / static ARP (Address Resolution Protocol) entries: 2,000 / 16 IP routing IP interfaces: 32; RIP (Routing Information Protocol), v1 and v2: 2K via default route plus 16 hardware based routes; Multicast Routing IGMP v1 and v2 snooping 
Ethernet switching performance:Wirespeed, forwarding rates up to 115 million pps; switching capacity of 156 Gbps 
Management:Web interface management, command line interface management, SNMP, 3Com Network Supervisor 
Physical Dimensions:Height: 4.4 cm (1.7 in), or 1U
Width: 44 cm (17.3 in)
Depth: 41.5 cm (16.4 in) 
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