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HP 2920-48G Switch - - J9728A#ABA


44 RJ-45 autosensing 10/100/1000 ports, 4 RJ-45 dual-personality 10/100/1000 ports, 2 module slots, 1 stacking module slot, 1 dual-personality (RJ-45 or USB micro-B), 1 USB 1.1, 1 RJ-45 out-of-band management port, Tri Core ARM1176 @ 625 MHz Processor   Learn more about the product
Price:$2,339.99
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eCOST Part#: 9514339
Mfr Part#: J9728A#ABA
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The HP 2920 Switch Series consists of four switches: the HP 2920-24G and 2920-24G-PoE+ Switches with 24 10/100/1000 ports, and the HP 2920-48G and 2920-48G-PoE+ Switches with 48 10/100/1000 ports. Each switch has four dual-personality ports for 10/100/1000 or SFP connectivity. In addition, the 2920 switch series supports up to four optional 10 Gigabit Ethernet (SFP+ and/or 10GBASE-T) ports, as well as a two-port stacking module. These options provide you with flexible and easy-to-deploy uplinks and stacking. Together with static and RIP routing, robust security and management, enterprise-class features, free lifetime warranty, and free software updates, the 2920 switch series is a cost-effective, scalable solution for customers who are building high-performance networks. These switches can be deployed at the enterprise edge, in remote branch offices, and in converged networks.

Quality of Service (QoS)
  • Traffic prioritization (IEEE 802.1p): allows real-time traffic classification into eight priority levels mapped to eight queues

  • Layer 4 prioritization: enables prioritization based on TCP/UDP port numbers

  • 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: sets per-port ingress enforced maximums and per-port, per-queue minimums

  • Large buffers: provide graceful congestion management
Connectivity
  • Flexible 10 Gbps Ethernet connectivity: up to four optional 10-Gigabit ports (SFP+ and/or 10GBASE-T)

  • Two-port stacking module with up to 40 Gbps/port: optional two-port stacking module allows stacking of up to four switch units into a single virtual device

  • Auto-MDIX: automatically adjusts for straight-through or crossover cables on all 10/100 and 10/100/1000 ports

  • IPv6:
    IPv6 host: allows the switches to be managed and deployed at the edge of IPv6 networks.
    Dual stack (IPv4/IPv6): provides transition mechanism from IPv4 to IPv6; supports connectivity for both protocols.
    MLD snooping: forwards IPv6 multicast traffic to the appropriate interface; prevents IPv6 multicast traffic from flooding the network.

  • IEEE 802.3at Power over Ethernet (PoE+): provide up to 30 W per port that allows support of the latest PoE+-capable devices such as IP phones, wireless access points, and security cameras, as well as any IEEE 802.3af-compliant end device; eliminates the cost of additional electrical cabling and circuits that would otherwise be necessary in IP phone and WLAN deployments
Performance
  • Energy-efficient design:
    High-efficiency power supplies: 80 PLUS Silver Certified power supply increases power savings.
    Energy-efficient Ethernet (EEE) support: reduces power consumption in accordance with IEEE 802.3az.

  • HP ProVision ASIC architecture: is designed with the latest HP ProVision ASIC, providing very low latency, increased packet buffering, and adaptive power consumption

  • Selectable queue configurations: allows for increased performance by selecting the number of queues and associated memory buffering that best meet the requirements of the network applications
Software-defined networking
  • OpenFlow: is a key technology that enables software-defined networking by allowing the separation of data (packet forwarding) and control (routing decision) paths
Convergence
  • IP multicast snooping and data-driven IGMP: automatically prevent flooding of IP multicast traffic

  • 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): is an automated device discovery protocol that provides easy mapping of network management applications

  • PoE and PoE+ allocations: support multiple methods (automatic, IEEE 802.3at dynamic, LLDP-MED fine grain, IEEE 802.3af device class, or user specified) to allocate and manage PoE/PoE+ power for more efficient energy savings
Resiliency and high availability
  • 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: 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; support trunking across stack members

  • 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
Management
  • 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: enables management over a separate physical management network, keeping management traffic segmented from network data traffic
Specifications

Ports
  • 44 RJ-45 autosensing 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T)
  • Duplex: 10BASE-T/100BASE-TX: half or full; 1000BASE-T: full only
  • 4 RJ-45 dual-personality 10/100/1000 ports (IEEE 802.3 Type 10BASE-T, IEEE 802.3u Type 100BASE-TX, IEEE 802.3ab Type 1000BASE-T)
  • 2 module slots
  • 1 stacking module slot
  • 1 dual-personality (RJ-45 or USB micro-B)
  • 1 USB 1.1
  • 1 RJ-45 out-of-band management port
Power supplies
  • 1 power supply slot
  • 1 minimum power supply required
  • Includes: 1 x J9739A (HP X331 165W 100-240VAC to 12VDC Modular Power Supply)
Memory and processor
  • Tri Core ARM1176 @ 625 MHz, 512 MB SDRAM, 1 GB flash; packet buffer size: 11.25 MB (6.75 MB dynamic egress + 4.5 MB ingress)
Performance
  • 100 Mb Latency: < 9.0 µs (FIFO 64-byte packets)
  • 1000 Mb Latency: < 3.3 µs (FIFO 64-byte packets)
  • 10 Gbps Latency: < 3.2 µs (FIFO 64-byte packets)
  • Throughput: 130.9 million pps
  • Switching capacity: 176 Gbps
  • Routing table size: 2048 entries (IPv4), 256 entries (IPv6)
  • MAC address table size: 16000 entries
Environment
  • Operating temperature: 32°F to 131°F (0°C to 55°C)
  • Operating relative humidity: 15% to 95%, noncondensing
  • Nonoperating / Storage temperature: -40°F to 158°F (-40°C to 70°C)
  • Nonoperating / Storage relative humidity: 15% to 95%, noncondensing
  • Altitude: up to 10,000 ft (3 km)
  • Acoustic: Power: 57 dB, Pressure: 41.8 dB
Electrical characteristics
  • Frequency: 50/60 Hz
  • 80plus.org Certification: Silver
  • Maximum heat dissipation: 239 BTU/hr (252.15 kJ/hr)
  • Voltage: 100-240 VAC
  • Maximum power rating: 70 W
  • Idle power: 27 W
Safety
  • CE LabeledEN 60825-1 Safety of Laser Products-Part 1FCC Part 15, Subpart BGOSTEU RoHS CompliantEN 55022 Class AEN 55024: 1998C-TickICES-003, Class AVCCI Class AIEC 60825-1IEC 60950-1, Second EditionEN62479:2010CSA C22.2 No. 60950-1-07 2nd EditionEN 60950-1:2006+A11:2009+A1:2010+A12:2011IEC 60950-1 (ed.2): am1
General
Device Type Switch - 48 ports - managed - stackable
Enclosure Type Rack-mountable
Interfaces Gigabit Ethernet
Ports 44 x 10/100/1000 + 4 x combo Gigabit SFP
Performance Throughput : 130.9 Mpps ¦ Switching capacity : 176 Gbps
Routing Protocol RIP, static IP routing
Remote Management Protocol SNMP 1, RMON 1, Telnet, SNMP 3, SNMP 2c, TFTP, CLI
Authentication Method RADIUS
Features DoS attack prevention, IPv6 support, half duplex mode, full duplex mode, 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 : 625 MHz
RAM 512 MB - SDRAM
Flash Memory 1 GB
Expansion / Connectivity
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
Expansion Slots 2 (total) / 2 (free) x expansion slot ¦ 1 (total) / 1 (free) x Stacking Module slot
Power
Power Device Internal power supply
Voltage Required AC 120/230 V ( 50/60 Hz )
Miscellaneous
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, IEC 60825-1, EN 60825-1, CAN/CSA C22.2 No. 60950-1-07, IEC 60950-1 Second Edition, VCCI Class A
Localization English / United States
Dimensions & Weight
Width 17.4 in
Depth 13.2 in
Height 1.7 in
Weight 11.9 lbs
Environmental Parameters
Min Operating Temperature 32 °F
Max Operating Temperature 131 °F
Humidity Range Operating 15 - 95% (non-condensing)
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HP 2920-48G Switch - (J9728A#ABA)

44 RJ-45 autosensing 10/100/1000 ports, 4 RJ-45 dual-personality 10/100/1000 ports, 2 module slots, 1 stacking module slot, 1 dual-personality (RJ-45 or USB micro-B), 1 USB 1.1, 1 RJ-45 out-of-band management port, Tri Core ARM1176 @ 625 MHz Processor

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