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An Ethernet crossover cable is a crossover cable for Ethernet used to connect computing devices together directly. It is most often used to connect two devices of the same type, e.g. two computers (via their network interface controllers ) or two switches to each other.
A modular network switch with three network modules (a total of 36 Ethernet ports) and one power supply A five-port layer-2 switch without management functionality. Modern commercial switches primarily use Ethernet interfaces. The core function of an Ethernet switch is to provide multiple ports of layer-2 bridging.
The micro ribbon connector, first made by Amphenol, that is used in the RJ21 interface, has also been used to connect Ethernet ports in bulk from a switch with 50-pin ports to a Cat-5 rated patch panel, or between two patch panels. A cable with a 50-pin connector on one end can support six fully wired 8P8C connectors or Ethernet ports on a ...
Power over Ethernet (PoE) describes any of several standards or ad hoc systems that pass electric power along with data on twisted-pair Ethernet cabling. This allows a single cable to provide both a data connection and enough electricity to power networked devices such as wireless access points (WAPs), IP cameras and VoIP phones .
Modular switches also support additional line cards which can provide new functions to the switch that would previously have been unavailable, such as a firewall. [4] An example of a modular computer network switch is the Cisco Catalyst 6500 , which can be configured with up to 13 slots, and supports connections from RJ45 to QSFP+.
Most wired Ethernet communications are carried over Category 5e or Category 6 cable terminated with 8P8C modular plugs. The connector is also used in other telecommunications connections, including ISDN and T1. Where building network and telephone wiring is pre-installed, the center (blue) pair is often used to carry telephony signals. While ...
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