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Figure 1: Example two-port network with symbol definitions. Notice the port condition is satisfied: the same current flows into each port as leaves that port.. In electronics, a two-port network (a kind of four-terminal network or quadripole) is an electrical network (i.e. a circuit) or device with two pairs of terminals to connect to external circuits.
Pages in category "Two-port networks" The following 9 pages are in this category, out of 9 total. This list may not reflect recent changes. ...
A switching loop or bridge loop occurs in computer networks when there is more than one Layer 2 path between two endpoints (e.g. multiple connections between two network switches or two ports on the same switch connected to each other).
In computer networking, a port or port number is a number assigned to uniquely identify a connection endpoint and to direct data to a specific service. At the software level, within an operating system, a port is a logical construct that identifies a specific process or a type of network service.
A transducer may be a one-port as viewed by the electrical domain, but with the more generalised definition of port it is a two-port. For instance, a mechanical actuator has one port in the electrical domain and one port in the mechanical domain. [6] Transducers can be analysed as two-port networks in the same way as electrical two-ports.
The Internet Assigned Numbers Authority (IANA) is responsible for maintaining the official assignments of port numbers for specific uses, [1] However, many unofficial uses of both well-known and registered port numbers occur in practice. Similarly, many of the official assignments refer to protocols that were never or are no longer in common use.
Transparent bridging can also operate over devices with more than two ports. As an example, consider a bridge connected to three hosts, A, B, and C. The bridge has three ports. A is connected to bridge port 1, B is connected to bridge port 2, C is connected to bridge port 3. A sends a frame addressed to B to the bridge.
MIMO technology can be used in non-wireless communications systems. One example is the home networking standard ITU-T G.9963, which defines a powerline communications system that uses MIMO techniques to transmit multiple signals over multiple AC wires (phase, neutral and ground). [3]