|Position||pin RJ25||pin RJ14||pin RJ11||twisted pair||R/T||twisted pair color||colors RJ25|
A telephone jack in T uses 8 standard connections, each corresponding has a different color thread in the cable: grey, white, blue, violet, transparent, Brown, yellow, orange.
However, a phone has need of two wires (typically grey and white), rj11 colors, the other being used primarily for the faxes.
Adapters may be used in countries that operate under another type of telephone cabling system. An adapter typically involves one compatible with the local telephone jacks end. The other end coporte a RJ11 connector for the connection of the telephone. The adapter converts and sends voice signals.
Each country has standardized the domestic telephone jacks.However, all countries have not adopted the same norms and standards.We can find about 44 different variations of standards and jacks.
RJ standards and colors consisted many different configurations which have been abbreviated.The terminology to remember today is RJ11, RJ12 or RJ14 to 6 pin and RJ45 receptacle for a socket