REST (Representational State Transfer) is an interface architecture designed for distributed environments. The REST interface can be used for a simple and unified access to resources. A resource can be data as well as application states (if they can be described using particular data). REST is data-oriented.
Backfeeding is the flow of electric power in the direction reverse to that of the generally understood or typical flow of power. Depending on the source of the power, this reverse flow may be intentional or unintentional.
The jack that is most often used for Ethernet 10 / 100 / 1000 Mbps networks. It normally contains 8 pins – 4 wire pairs.
Serial port / serial interface. The most frequently used connector is CANON DB9 (Male / Female).