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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).
What switch device has, managed or unmanaged.
Quality of Service (QoS) support
Ports & interfaces
The number of ports or external interfaces to which other equipment can be connected.
Copper ethernet cabling technology
Ethernet LAN (RJ-45) ports quantity
Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
The socket/plug where the DC electricity supply connects to the device.
Weight & dimensions
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.
Power over Ethernet (PoE) Support
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 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.
The type of mounting that can position devices in a shelving system (rack).
Colour of product
The colour e.g. red, blue, green, black, white.
Devices can be placed on top of each other.
UL 60950, CSA 22.2, CE, FCC
Operating relative humidity range
10 - 90 %
Operating temperature range (T-T)
The minimum and maximum temperatures at which the product can be safely operated.
0 - 40 °C
Storage temperature range (T-T)
The minimum and maximum temperatures at which the product can be safely stored.
-20 - 70 °C
Non-operating relative humidity (non-condensing)
Range of relative humidity (non-condensing) in which a non-operating product can be stored.
10 - 90 %
Dimensions of the product (Width x Depth x Height).
140 x 140 x 33.35 mm
The voltage (V) which is required to power the product.