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The HP 2920 Switch Series consists of five 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+ and 2920-48G 740W 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 HP 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.
IEEE 802.3at Power over Ethernet (PoE+): provides 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. Two-port stacking module with up to 40 Gb/s per port: optional two-port stacking module allows stacking of up to four switch units into a single virtual device. 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. Flexible 10 Gb/s Ethernet connectivity: up to four optional 10-Gigabit ports (SFP+ and/or 10GBASE-T). Auto-MDIX: provides automatic adjustments for straight-through or crossover cables on all 10/100 and 10/100/1000 ports.
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.
OpenFlow: is a key technology that enables software-defined networking by allowing the separation of data (packet forwarding) and control (routing decision) paths
Quality of Service (QoS)
Large buffers: provide graceful congestion management. Rate limiting: sets per-port ingress enforced maximums and per-port, per-queue minimums. 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. Layer 4 prioritisation: enables prioritisation based on TCP/UDP port numbers. Traffic prioritisation (IEEE 802.1p): allows real-time traffic classification into eight priority levels mapped to eight queues.
IEEE 802.1AB Link Layer Discovery Protocol (LLDP): facilitates easy mapping using network management applications with LLDP automated device discovery protocol. LLDP-MED (Media Endpoint Discovery): defines a standard extension of LLDP that stores values for parameters such as QoS and VLAN to automatically configure network devices such as IP phones. IP multicast snooping and data-driven IGMP: automatically prevent flooding of IP multicast traffic. 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.
SNMPv1, v2, and v3: provides 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.
Resiliency and high availability
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. 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.
|Device Type||Switch - 48 ports - L3 - Managed - stackable|
|Enclosure Type||Rack-mountable 1U|
|Ports||44 x 10/100/1000 (PoE+) + 4 x combo Gigabit SFP|
|Power Over Ethernet (PoE)||PoE+|
|PoE Budget||740 W|
|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|
|Jumbo Frame Support||9220 bytes|
|Routing Protocol||RIP, RIP-2, 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+, Secure Shell v.2 (SSH2), Extensible Authentication Protocol (EAP)|
|Features||Flow control, DHCP support, BOOTP support, ARP support, trunking, VLAN support, IPv6 support, half duplex mode, full duplex mode, SNTP support, sFlow, Multiple Spanning Tree Protocol (MSTP) support, Access Control List (ACL) support, Quality of Service (QoS), PoE+, STP Root Guard, Uni-Directional Link Detection (UDLD), LLDP support, Link Aggregation Control Protocol (LACP), Energy Efficient Ethernet, Class of Service (CoS), Generic Attribute Registration Protocol (GARP)|
|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 802.3at, IEEE 802.3az, IEEE 802.1AX|
|Processor||1 x ARM ARM1176 : 625 MHz|
|RAM||512 MB - SDRAM|
|Flash Memory||1 GB|
|Expansion / Connectivity|
|Interfaces||48 x 1000Base-T - RJ-45 - PoE+ ¦ 4 x - SFP ¦ 1 x management - RJ-45 ¦ 1 x management (micro-USB) - Type B ¦ 1 x USB|
|Expansion Slots||2 (total) / 2 (free) x Expansion Slot ¦ 1 (total) / 1 (free) x Stacking Module|
|Power Device||Internal power supply - hot-plug|
|Power Provided||1050 Watt|
|Voltage Required||AC 120/230 V ( 50/60 Hz )|
|Power Consumption Operational||487 Watt|
|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|
|Dimensions & Weight|
|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|
|Humidity Range Storage||15 - 90% (non-condensing)|
These suffixes denote the country/region and language the product is intended for. #ABB means "Europe/Euro-English", #ACC denotes 'UK specification' and #ABU means 'UK/Euro-English'. You can view an extended list of HP product code suffixes here.
Please note that all HP products sold by King of Servers are intended for use within the EU.