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3CR17450-91-US 3Com Corporation

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3Com Corporation 3CR17450-91-US SuperStack 3 3870, 24-Port Stackable Ethernet Switch
Part Number 3CR17450-91-US
Conditions New, Used, Refurbished
Manufacturer 3Com Corporation
Category Switches & Bridges
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3Com SuperStack 3 Switch 3870 delivers wirespeed Gigabit Ethernet switching, with ten times the performance of 10/100 desktop switching but at similar prices. Tri-speed operation of the switch enables backward compatibility with existing devices, such as printers, while still allowing new PC's and servers to operate at their maximum potential.

This switch also has notable investment protection capabilities. Along with the built-in 10Gbps stacking ports, each Switch 3870 also has an expansion slot capable of supporting an additional 10Gbps full duplex (20Gbps total) high-speed Ethernet connection. And, the switch silicon supports multilayer (Layers 2 / 3 / 4) switching.

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3CR17450-91-US Product Overview
    Interfaces/Ports
  • Number of Ports:     20
  • Gigabit Ethernet Port:     Yes
  • Interfaces/Ports:     20 x RJ-45 10/100/1000Base-T LAN
  • Interfaces/Ports:     4 x RJ-45 10/100/1000Base-T LAN
  • Interfaces/Ports:     1 x RJ-45 Console Management
  • Interfaces/Ports:     2 x Stack
    Media & Performance
  • Connectivity Media:     Twisted Pair
  • Performance:     108Gbps Bandwidth
  • Performance:     80Mpps Throughput
  • Performance:     40Gbps Stacking Bandwidth
    I/O Expansions
  • Number of Expansion Slots:     5
  • Expansion Slots:     (4 Total) SFP (mini-GBIC) Shared
  • Expansion Slots:     (1 Total) Expansion Slot
  • Modules:     No
    Network & Communication
  • Flow Control:     Back Pressure (Half-duplex)
  • Flow Control:     IEEE 802.3x (Full-duplex)
  • Switching Method:     Store-and-forward
  • Layer Supported:     2 to 4
  • Number of Stacks:     8
  • Address Table:     16 K MAC Address -
  • Address Table:     1024 MAC Address - Secure
    Management & Protocols
  • Manageable:     Yes
  • Management:     
  • SNMP, Web, and Telnet support
  • RMON-1
  • RMON Groups: Statistics, History, Alarms and Events
  • GUI management with 3Com Network Supervisor and other 3Com management offerings
  • Remote Management: SNMP v1, v2
  • Command line interface
  • Switch access levels: 5 user accounts
  • Software:

  • Dual software images
  • Backup and restore
  • TFTP configuration: upload/download
  • TFTP agent: upload
  • Remote GUI management:

  • 3Com Network Supervisor
  • Topology discovery
  • Change management reporting
  • Capacity planning
  • Event logging
  • Fault identification and troubleshooting
  • Utilization monitoring
  • Protocols:     Spanning Tree Protocol
  • Protocols:     LACP
  • Protocols:     RSTP
  • Protocols:     HTTP
  • Protocols:     TCP/IP
  • Protocols:     IGMP v1
  • Protocols:     IGMP v2
  • Protocols:     TFTP
  • Protocols:     SNTP
  • Protocols:     DHCP
  • Security Features:     
  • VLAN: 255 VLANs

    Network Login:

  • IEEE 802.1X user authentication
  • RADIUS authentication
  • Secure Mode (locks MAC address)
  • Packet Filtering:

  • Port-based Access Control Lists (ACLs)
  • Filtered on destination IP address / mask
  • Switch Protocol Security:

  • MD5 cipher-text and clear-text authentication
  • Switch Management:

  • RADIUS management of switch passwords
  • Trusted IP Management Addresses
  • Telnet:
    • SSH v1, v2 (56bit DES)
  • SSL (HTTPS):
    • 40 Bit
    • 56 Bit DES
    Processor & Chipset
  • Processor:     MPC8245 466 MHz
    Memory
  • Standard Memory:     128 MB
  • Flash Memory:     32 MB
    Reliability
  • MTBF:     31 Year
  • MTBF:     30.6 Year
    Power Description
  • Input Voltage:     110 V AC
  • Input Voltage:     220 V AC
  • Input Voltage Range:     100 V AC to 240 V AC
  • Input Current:     1.20 A Maximum
  • Frequency:     50 Hz or 60 Hz
  • Power Consumption:     148 W @ Maximum
  • Power Source:     Power Supply
  • Redundant Power Supply:     Yes
    Environmental Conditions
  • Temperature:     32°F (0°C) to 104°F (40°C) Operating
  • Temperature:     -40°F (-40°C) to 158°F (70°C) Storage
  • Humidity:     10% to 90% Non-condensing
  • Thermal Dissipation:     717 BTU/h
    Physical Characteristics
  • Form Factor:     Rack-mountable
  • Height:     1.7"
  • Width:     17.3"
  • Depth:     16.4"
  • Weight (Approximate):     11.00 lb
    Miscellaneous
  • Package Contents:     
  • SuperStack 3 Switch 3870
  • Power cord
  • Rackmount kit
  • Console cable (RJ-45 to DB9)
  • User documentation packet and CD
  • 3Com Network Supervisor
  • Additional Information:     
  • Traffic control: Broadcast Storm Control (500-200,000 pps limit)
  • Filtering for 64 multicast groups
  • Jumbo Frames: Supports 9K packets
  • Certifications & Standards:     

    Ethernet Protocols:

  • IEEE 802.1p: CoS
  • IEEE 802.1Q: VLANs
  • IEEE 802.1w: RSTP
  • IEEE 802.1X: Security
  • IEEE 802.3ab: Copper Gigabit
  • IEEE 802.3ad: Link Aggregation
  • IEEE 802.3i: 10BASE-T
  • IEEE 802.3u: Fast Ethernet
  • IEEE 802.3x: Flow Control
  • IEEE 802.3z: Fiber Gigabit
  • Administration Protocols:

  • RFC 1812: IPv4
  • RFC 783: TFTP
  • RFC 768: UDP
  • RFC 791: IP
  • RFC 793: TCP
  • RFC 2474: DiffServ
  • RFC 2131: DHCP
  • RFC 2138: Radius Authentication
  • Management, including MIBs Supported:

  • RFC 1157: SNMP v1/v2c
  • RFC 1213: MIB II
  • RFC 1398: Ethernet MIB
  • RFC 1493: Bridge MIB
  • RFC 1573: Private IF MIB
  • RFC 1757: RMON MIB
  • RFC 2011: IP-MIB
  • RFC 2012: TCP-MIB
  • RFC 2013: UDP-MIB
  • RFC 2037: Entity MIB
  • RFC 2618: RADIUS Authentication Client MIB
  • RFC 2665: Ethernet-MIB
  • RFC 2674P: P-BRIDGE-MIB
  • RFC 2674Q: Q-BRIDGE-MIB
  • RFC 2737: Entity MIB
  • RFC 2819: RMON MIB
  • RFC 2863: IF-MIB
  • IEEE8021-PAE-MIB (IEEE) (Network Login)
  • Emissions / Agency Approvals:

  • CISPR 22: 1995; Class A
  • FCC Part 15 subpart B, Class A
  • EN 55022: 1998; Class A
  • ICES -003 Class A
  • AS/NZS 3548 Class A
  • EN 61000-3-2: 2000
  • EN 61000-3-3: 1995 +A1
  • Immunity:

  • EN 55024: 1998
  • Safety Agency Certifications:

  • UL 60950-1
  • IEC 60950: 2001; all national deviations
  • EN 60950: 2001; all national deviations
  • CSA 22.2 £ 60950-00
    Warranty
  • Standard Warranty:     Lifetime Limited
  • Additional Warranty Information:     
  • Software Warranty: Limited Software Warranty for ninety (90) days

    Other Benefits:

  • Limited Lifetime software updates. Next Business Day Advanced Hardware Replacement in U.S. and E.U.,after registration of the switch


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