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عرض أسعار: HP - J9298AR | جديد, مستعمل and تجديد

2520-8G-PoE | HP J9298AR


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Hewlett Packard Enterprise 2520-8G-PoE, ProCurve. Switch type: Managed, Switch layer: L2. Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000), Console port: RJ-45. Networking standards: IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3u. MAC address table: 8000 entries, Switching capacity: 20 Gbit/s, Throughput: 14.8 Mpps. Form factor: 1U, Colour of product: Black

The HP 2520 switch series is ideally suited for small and medium businesses looking to deploy voice, video, or wireless solutions that require Power over Ethernet (PoE) connectivity. The series consists of four switches: the HP 2520-8-PoE, 2520-24-PoE, 2520-8G-PoE, and 2520-24G-PoE Switches.\n\nThe four models offer a choice of either Fast Ethernet or Gigabit Ethernet connectivity. All models also include support for dual-personality Gigabit Ethernet ports that can be used for either copper or fiber connectivity.\n\nAll products are fully managed via SNMP, command-line interface (CLI), and graphical user interface (GUI) and offer a Layer 2 feature set. In addition, the products provide deployment flexibility with compact, quiet, and energy-efficient designs.\n\nFeatures\n\nQuality of Service (QoS)\n- Selectable queue configuration: allows you to increase performance and/or traffic reliability by selecting the number of queues that best meet the requirements of your network applications; switch will map 8 priorities to either 2 or 4 queues\n- Simplified QoS configuration: Port-based: prioritize traffic by specifying a port and priority level. VLAN based: prioritize traffic by specifying a VLAN and priority level.\n- IEEE 802.1p traffic prioritization: honors and sets IEEE 802.1p priority in the VLAN tag\n- Type of service: IP precedence: honors IP precedence bits and allows mapping to a priority queue. Differentiated Services Code Point values: honors Differentiated Services Code Point (DSCP) bits and allows mapping to a priority queue.\n- Flow control: helps ensure reliable communications during full-duplex operation\n\nManagement\n- Choice of management interfaces: Web graphical user interface (GUI): easy-to-use graphical interface allows configuration of the switch from any Web browser. Command-line interface (CLI): robust command-line interface provides advanced configuration and diagnostics. Simple Network Management Protocol (SNMPv2c/SNMPv3): allows switch to be managed with a variety of third-party network management applications.\n- Integration with HP PCM: enables discovery, mapping, logging, and configuration via HP PCM, which is available as a free download from the Web\n- Virtual stacking: single IP address manages up to 16 switches\n- Port mirroring: allows traffic to be mirrored on any port or a network analyzer to assist with diagnostics or detecting network attacks\n- Multiple configuration files: configuration file management tools allow up to three configuration files to be managed and stored on the switch\n\nConnectivity\n- Auto-MDIX: automatically adjusts for straight-through or crossover cables on all ports\n- Small Form-Factor Pluggable (SFP) slots: dual-personality ports allow for either copper or fiber connectivity such as Gigabit-SX, -LX, -LH, and -BX or 100-FX and -BX\n- IEEE 802.3af Power over Ethernet: provides up to 15.4 W per port to IEEE 802.3af-compliant PoE-powered devices such as IP phones, wireless access points, and security cameras (see product specifications for total PoE power available); supports some prestandard PoE devices (see product FAQs for more details)\n- RJ-45 serial console port: front of unit location provides easy access to the switch CLI\n\nPerformance\n- Switch on a chip: provides highly integrated, high-performance switch design with a non-blocking architecture\n- Jumbo packet support: supports up to 9216-byte frame size to improve performance of large data transfers (2520G switch)

J9298AR Specifications

Management features
Switch type: Managed
Switch layer: L2
MIB support: Y
Quality of Service (QoS) support: Yes
Multicast support: Yes
Web-based management: Yes
Ports & interfaces
Basic switching RJ-45 Ethernet ports quantity: 8
Basic switching RJ-45 Ethernet ports type: Gigabit Ethernet (10/100/1000)
Combo SFP ports quantity: 2
Console port: RJ-45
Networking
Networking standards: IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3u
Full duplex: Yes
Flow control support: Yes
Port mirroring: Yes
Link aggregation: Yes
Broadcast storm control: Yes
DHCP client: Yes
IGMP snooping: Yes
Auto MDI/MDI-X: Yes
Spanning tree protocol: Yes
10G support: No
VLAN support: Yes
Auto-sensing: Yes
Data transmission
MAC address table: 8000 entries
Switching capacity: 20 Gbit/s
Throughput: 14.8 Mpps
Latency (10-100 Mbps): 5.3 ?s
Latency (1 Gbps): 2.7 ?s
Security
SSH/SSL support: Yes
Design
Rack mounting: Yes
Form factor: 1U
Colour of product: Black
Performance
Stackable: Yes
Built-in processor: Freescale PowerPC 8313
Processor frequency: 266 MHz
Internal memory: 128 MB
Memory type: DDR2 SDRAM
Flash memory: 32 MB
Packet buffer memory: 0.5 MB
Power
AC input voltage: 100-240 V
Power supply included: No
AC input frequency: 50/60 Hz
Power consumption (typical): 86.2 W
Power over Ethernet (PoE)
Power over Ethernet (PoE): Yes
Total Power over Ethernet (PoE) budget: 67 W
Operational conditions
Heat dissipation: 89 BTU/h
Weight & dimensions
Width: 25.4 cm
Depth: 15.9 cm
Height: 4.45 cm
Weight: 1.66 kg
J9298AR Stock



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