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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): 
1 598,06 € 
Hind (bruto): 
1 917,67 €
Saadavus:
11-20 tk.
Kättetoimetamine:
Tavaline kättetoimetamine:
esmaspäev, 8. märts 2021
Kiire kättetoimetamine:
neljapäev, 4. märts 2021
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Ligikaudne kohaletoimetamise aeg 		Hind (bruto)
Kirjeldus
Lugege veel Aruba 2540 48G PoE+ 4SFP+ Switch
Management features
What switch device has, managed or unmanaged.  Switch type Managed  
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).  Switch layer L2  
Quality of Service (QoS) support Yes  
Using a website/web application to manage something.  Web-based management Yes  
Ports & interfaces
The number of basic switching RJ-45 Ethernet ports (sockets).  Basic switching RJ-45 Ethernet ports quantity 48  
The type/category of basic switching RJ-45 Ethernet ports (sockets).  Basic switching RJ-45 Ethernet ports type Gigabit Ethernet (10/100/1000)  
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.  Installed SFP+ modules quantity 4  
Network
The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.  Networking standards IEEE 802.3,IEEE 802.3ab,IEEE 802.3at,IEEE 802.3u  
The product can use Oracle 10G, which is a database management system introduced in 2003.  10G support Yes  
Copper ethernet cabling technology 10BASE-T,100BASE-TX,1000BASE-T  
A full-duplex system allows communication in both directions, and unlike half-duplex, allows this to happen simultaneously.  Full duplex Yes  
Rate limiting Yes  
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.  DHCP server Yes  
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.  Auto MDI/MDI-X Yes  
Spanning tree protocol Yes  
Auto-sensing Yes  
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.  VLAN support Yes  
Data transmission
The data transfer capacity of the switch per second.  Switching capacity 176  
Throughput 112  
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.  MAC address table 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
The type of mounting that can position devices in a shelving system (rack).  Rack mounting Yes  
Devices can be placed on top of each other.  Stackable Yes  
The shape or design of the product.  Form factor 1U  
The colour e.g. red, blue, green, black, white.  Product colour Grey  
Performance
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.  Processor frequency 1016  MHz
Type of memory in the device e.g. DDR3, SRAM (Static RAM).  Memory type DDR3 SDRAM  
The amount of memory, usually measured in bytes (e.g. MB, GB), which is installed in the system's hardware.  Internal memory 1024  MB
Flash memory 4096  MB
Power
The voltage of the AC electricity that is inpitted into the product.  AC input voltage 100-240  
AC input frequency 50/60  
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.  Power consumption (typical) 459  
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.  Power over Ethernet (PoE) Yes  
Total Power over Ethernet (PoE) budget 370  
Operational conditions
The minimum and maximum temperatures at which the product can be safely operated.  Operating temperature (T-T) 0 - 45  
The minimum and maximum temperatures at which the product can be safely stored.  Storage temperature (T-T) -40 - 70  
Operating relative humidity (H-H) 15 - 95  
Storage relative humidity (H-H) 15 - 95  
The heat generated by the power supply.  Heat dissipation 1566  
Weight & dimensions
The measurement or extent of something from side to side.  Width 442.5  
The distance from the front to the back of something.  Depth 304.2  
The measurement of the product from head to foot or from base to top.  Height 43.9  
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.  Weight 4460  

2540 Switch Series
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