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Hewlett Packard HP 2920-48G SWITCH (J9728A)

Hewlett Packard 9437V6S

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218 Είδη
Product Code:9437V6S
EAN Code:0886112322366
Manufacturer:Hewlett Packard

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HPE 2920-48G Switch - Switch - L3 - Managed  | J9728A



Together with static and RIP routing, robust security and management, enterprise-class features, the 2920 switch series is a cost-effective, scalable solution for customers who are building high-performance networks. This switch can be deployed at the enterprise edge, remote branch offices, and in converged networks.


Special Features

  • Traffic prioritization (IEEE 802.1p)
  • Layer 4 prioritization
  • Class of Service (CoS)
  • Rate limiting
  • Large buffers
  • Auto-MDIX
  • HP ProVision ASIC architecture
  • IP multicast snooping and data-driven IGMP
  • LLDP-MED (Media Endpoint Discovery)
  • IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
  • IEEE 802.1s multiple spanning tree
  • IEEE 802.3ad Link Aggregation Control Protocol (LACP) and HP port trunking
  • Ring and chain stacking topology
  • SNMPv1, v2, and v3
  • Out-of-band Ethernet management port
  • Dual flash images
  • Friendly port names
  • Find-fix-inform
  • Multiple configuration files

Product features

  • Traffic prioritization (IEEE 802.1p)
    Traffic prioritization (IEEE 802.1p) allows real-time traffic classification into eight priority levels mapped to eight queues.
  • Layer 4 prioritization
    Layer 4 prioritization enables prioritization based on TCP/UDP port numbers.
  • Class of Service (CoS)
    Class of Service (CoS) sets the IEEE 802.1p priority tag based on IP address, IP Type of Service (ToS), Layer 3 protocol, TCP/UDP port number, source port, and DiffServ.
  • Rate limiting
    Rate limiting sets per-port ingress enforced maximums and per-port, per-queue minimums.
  • Large buffers
    Large buffers provide graceful congestion management.
  • Auto-MDIX
    Auto-MDIX automatically adjusts for straight-through or crossover cables on all 10/100 and 10/100/1000 ports.
  • HP ProVision ASIC architecture
    Designed with the HP ProVision ASIC, providing very low latency, increased packet buffering, and adaptive power consumption.
  • IP multicast snooping and data-driven IGMP
    IP multicast snooping and data-driven IGMP automatically prevent flooding of IP multicast traffic.
  • LLDP-MED (Media Endpoint Discovery)
    LLDP-MED (Media Endpoint Discovery) is a standard extension of LLDP that stores values for parameters such as QoS and VLAN to automatically configure network devices such as IP phones.
  • IEEE 802.1AB Link Layer Discovery Protocol (LLDP)
    IEEE 802.1AB Link Layer Discovery Protocol (LLDP) is an automated device discovery protocol that provides easy mapping of network management applications.
  • IEEE 802.1s multiple spanning tree
    IEEE 802.1s multiple spanning tree provides high link availability in multiple VLAN environments by allowing multiple spanning trees; provides legacy support for IEEE 802.1d and IEEE 802.1w.
  • IEEE 802.3ad Link Aggregation Control Protocol (LACP) and HP port trunking
    IEEE 802.3ad Link Aggregation Control Protocol (LACP) and HP port trunking support up to 60 static, dynamic or distributed trunks active across a stack, with each trunk having up to eight links (ports) per static trunk; trunking across stack members is supported.
  • Ring and chain stacking topology
    Ring and chain stacking topology allows failure of a link or switch in the ring of stacked switches, while the remaining connected switches continue operation.
  • SNMPv1, v2, and v3
    SNMPv1, v2, and v3 provide complete support of SNMP; provide full support of industry-standard Management Information Base (MIB) plus private extensions; SNMPv3 supports increased security using encryption.
  • Out-of-band Ethernet management port
    Out-of-band Ethernet management port enables management over a separate physical management network, keeping management traffic segmented from network data traffic.
  • Dual flash images
    Dual flash images provides independent primary and secondary operating system files for backup while upgrading.
  • Friendly port names
    Friendly port names allow assignment of descriptive names to ports.
  • Find-fix-inform
    Find-fix-inform finds and fixes common network problems automatically, then informs administrator.
  • Multiple configuration files
    Multiple configuration files allow multiple configuration files to be stored to a flash image.


Product Specification


Device Type Switch - 48 ports - L3 - Managed - stackable
Enclosure Type Rack-mountable - 1U
Subtype Gigabit Ethernet
Ports 44 x 10/100/1000 + 4 x combo Gigabit SFP
Performance Throughput : 130.9 Mpps ¦ Switching capacity : 176 Gbps
Capacity IPv4 routing table entries : 2048 ¦ IPv6 routing table entries : 256
MAC Address Table Size 16000 entries
Routing Protocol RIP, IGMP, static IP routing, MLD
Remote Management Protocol SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, Telnet, SNMP 3, SNMP 2c, HTTP, HTTPS, TFTP, SMON, SSH, SSH-2, CLI
Encryption Algorithm SSL, TLS
Authentication Method RADIUS, PAP, CHAP, TACACS, TACACS+, Extensible Authentication Protocol (EAP)
Features Flow control, BOOTP support, ARP support, DoS attack prevention, IPv6 support, half duplex mode, full duplex mode, sFlow, RADIUS support, Uni-Directional Link Detection (UDLD), Link Aggregation Control Protocol (LACP), Energy Efficient Ethernet, Class of Service (CoS)
Compliant Standards IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1s, IEEE 802.1v, IEEE 802.3az, IEEE 802.1AX
Processor 1 x ARM ARM1176 : 625 MHz
Flash Memory 1 GB
Interfaces 48 x 10Base-T/100Base-TX/1000Base-T - RJ-45 ¦ 4 x SFP (mini-GBIC) ¦ 1 x management (RS-232) - RJ-45 ¦ 1 x management (mini-USB) - Type B ¦ Management : 1 x 4 PIN USB Type A
Expansion Slots 2 (total) / 2 (free) x Expansion Slot ¦ 1 (total) / 1 (free) x Stacking Module
Power Device Internal power supply
Voltage Required AC 120/230 V ( 50/60 Hz )
Compliant Standards C-Tick, GOST, CISPR 24, IEC 61000-3-2, IEC 61000-3-3, IEC 61000-4-11, IEC 61000-4-2, IEC 61000-4-3, IEC 61000-4-4, IEC 61000-4-5, IEC 61000-4-6, IEC 61000-4-8, EN55024, EN55022 Class A, FCC Part 15 B, ICES-003 Class A, RoHS, EN 60950-1, 80 PLUS Silver, IEC 60825-1, EN 60825-1, IEC 60950-1 Second Edition, VCCI Class A
Width 44.25 cm
Depth 33.6 cm
Height 4.45 cm
Weight 5.42 kg
Min Operating Temperature 0 °C
Max Operating Temperature 55 °C
Humidity Range Operating 15 - 95% (non-condensing)
Min Storage Temperature -40 °C
Max Storage Temperature 70 °C


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Hewlett Packard

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