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    JL357A
    Aruba 2540 48G PoE+ 4SFP+ Switch

    JL357A
    JL357A Photo#1 JL357A Photo#2
    Part Number:
    JL357A

    EAN:
    190017094878
    Hind (neto): 
    1 562,52 € 
    Hind (bruto): 
    1 875,02 €
    Saadavus:
    8 tk.
    Kättetoimetamine:
    Tavaline kättetoimetamine:
    esmaspäev, 30. november 2020
    Kiire kättetoimetamine:
    neljapäev, 26. november 2020
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    Kirjeldus
    Lugege veel Aruba 2540 48G PoE+ 4SFP+ Switch
    Management features
    Switch type  What switch device has, managed or unmanaged. Managed  
    Switch layer  A network switch is a computer networking device that links networking segments. A switch has different layers, such as layer 2 (a network bridge, operating at the data link layer, interconnecting a small number of devices) and layer 4 (can act as a firewall, amongst other things). L2  
    Quality of Service (QoS) support Yes  
    Web-based management  Using a website/web application to manage something. Yes  
    Ports & interfaces
    Basic switching RJ-45 Ethernet ports quantity  The number of basic switching RJ-45 Ethernet ports (sockets). 48  
    Basic switching RJ-45 Ethernet ports type  The type/category of basic switching RJ-45 Ethernet ports (sockets). Gigabit Ethernet (10/100/1000)  
    Installed SFP+ modules quantity  An SFP ("small form-factor pluggable transceiver") is a transmitter/receiver which interfaces a network device motherboard (e.g. in a switch, router) to a fibre optic or copper network cable. The enhanced small form-factor pluggable (SFP+) is an enhanced version of the SFP that supports data rates up to 10 Gbit/s. The "SFP+ ports quantity" is the number of ports for SFP+ connections in a device. 4  
    Network
    Networking standards  The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g. IEEE 802.3,IEEE 802.3ab,IEEE 802.3at,IEEE 802.3u  
    10G support  The product can use Oracle 10G, which is a database management system introduced in 2003. Yes  
    Copper ethernet cabling technology 10BASE-T,100BASE-TX,1000BASE-T  
    Full duplex  A full-duplex system allows communication in both directions, and unlike half-duplex, allows this to happen simultaneously. Yes  
    Rate limiting Yes  
    Auto MDI/MDI-X  A Medium Dependent Interface (MDI) describes the interface (both physical and electrical) in a computer network from a physical layer implementation to the physical medium used to carry the transmission. Ethernet over twisted pair also defines a medium dependent interface crossover (MDIX) interface. Auto-MDIX ports on newer network interfaces detect if the connection would require a crossover, and automatically chooses the MDI or MDIX configuration to properly match the other end of the link. Yes  
    Spanning tree protocol Yes  
    DHCP server  A server is a system which that responds to requests across a computer network to provide, or help to provide, a network service. DCHP servers uses the DCHP (Dynamic Host Configuration Protocol), which is a standardized networking protocol used by servers on an IP network to allocate IP addresses to computers. The purpose of DHCP is to automate the IP address configuration of a computer without a network administrator. IP addresses are typically selected from a range of assigned IP addresses stored in a database on the server and issued to a computer which requests a new IP address. An IP address is assigned to a computer for a set interval, after which, the computer must renew the IP address or acquire a new one. Yes  
    Auto-sensing Yes  
    VLAN support  A Virtual Local Area Network (VLAN) consists of a group of computers and switches that can be physically distributed over different networks and buildings, but form one LAN on a logical level. Yes  
    Data transmission
    Switching capacity  The data transfer capacity of the switch per second. 176  
    Throughput 112  
    MAC address table  The MAC address is the 'Media Access Control Address'. It is a unique address given to a network interface controller (NIC) in a device. A MAC address table shows the addresses in a table format. 16384  
    Latency (1 Gbps) 3.8  µs
    Latency (10 Gbps) 1.6  µs
    Jumbo frames support Yes  
    Security
    Access Control List (ACL) Yes  
    SSH/SSL support Yes  
    Design
    Rack mounting  The type of mounting that can position devices in a shelving system (rack). Yes  
    Stackable  Devices can be placed on top of each other. Yes  
    Form factor  The shape or design of the product. 1U  
    Product colour  The colour e.g. red, blue, green, black, white. Grey  
    Performance
    Processor frequency  The clock rate is the fundamental rate in cycles per second (measured in hertz) at which a computer performs its most basic operations such as adding two numbers. There are more factors, like internal memory size, that influence a computer's actual response time. 1016  MHz
    Memory type  Type of memory in the device e.g. DDR3, SRAM (Static RAM). DDR3 SDRAM  
    Internal memory  The amount of memory, usually measured in bytes (e.g. MB, GB), which is installed in the system's hardware. 1024  MB
    Flash memory 4096  MB
    Power
    AC input voltage  The voltage of the AC electricity that is inpitted into the product. 100-240  
    AC input voltage  The voltage of the AC electricity that is inputted into the product. 100-240  
    AC input frequency 50/60  
    Power consumption (typical)  Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage. 459  
    Power over Ethernet (PoE)
    Power over Ethernet (PoE)  The device supports Power over Ethernet (PoE), which is one of several standardized or ad-hoc systems which pass electrical power along with data on Ethernet cabling. This allows a single cable to provide both data connection and electrical power to devices such as wireless access points or IP cameras. Yes  
    Total Power over Ethernet (PoE) budget 370  
    Operational conditions
    Operating temperature (T-T)  The minimum and maximum temperatures at which the product can be safely operated. 0 - 45  
    Storage temperature (T-T)  The minimum and maximum temperatures at which the product can be safely stored. -40 - 70  
    Operating relative humidity (H-H) 15 - 95  
    Storage relative humidity (H-H) 15 - 95  
    Heat dissipation  The heat generated by the power supply. 1566  
    Weight & dimensions
    Width  The measurement or extent of something from side to side. 442.5  
    Depth  The distance from the front to the back of something. 304.2  
    Height  The measurement of the product from head to foot or from base to top. 43.9  
    Weight  Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies. 4460  

    2540 Switch Series
    Kehtivad sooduskampaaniad
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