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RJ11 RJ14 RJ25 Twisted pair colors 25-pair colors [A] Old colors [B] German colors [C] Australian colors Dutch colors [D] Diagram 1: 3: T + T3 white/green white/green white pink orange 6P6C connector showing the location of pin 1 2: 2: T + T2: T2 white/orange white/orange black green red orange 3: 1: R: −: R1: R1: R1 blue
Strictly, Registered Jack refers to both the female physical connector (modular connector) and specific wiring patterns, but the term is often used loosely to refer to modular connectors regardless of wiring, gender, or use, commonly for telephone line connections, but also for Ethernet over twisted pair, resulting in confusion over the various ...
The 6P2C, 6P4C, and 6P6C modular connectors are probably best known for their use as RJ11, RJ14, and RJ25 non-powered registered jacks, respectively (and 6P4C and 6P6C for powered RJ11 and RJ14, power being delivered on the outer pairs). These interfaces use the same six-position modular connector body but have different numbers of pins installed.
For example, telephone cables in the UK typically have a BS 6312 (UK standard) plug at the wall end and a 6P4C or 6P2C modular connector at the telephone end: this latter may be wired as per the RJ11 standard (with pins 3 and 4), or it may be wired with pins 2 and 5, as a straight-through cable from the BT plug (which uses pins 2 and 5 for the ...
In North America no adapter is needed for certain uses: With ports wired in the preferred standard T568A pattern, for the 6P2C plugs most commonly used for single-line phone equipment (e.g. with RJ11), and 6P4C plugs used for two-line phones without power (e.g. with RJ14) and single-line phones with power (again RJ11), telephone connections are ...
An automotive wiring diagram, showing useful information such as crimp connection locations and wire colors. These details may not be so easily found on a more schematic drawing. A wiring diagram is a simplified conventional pictorial representation of an electrical circuit. It shows the components of the circuit as simplified shapes, and the ...
Looking at the variety of RJ11 and RJ14 telephone cables that I have for connecting from the wall socket to the actual phone, most (but not all!) seem to be wired with the pair wiring reversed from one end to the other: pins 3/4 will be red/green at one end and green/red at the other. I am assuming that ordinary telephone equipment expects this.
The new system replaced the older hard-wired system, which came in many 'flavours' (e.g., Plans 1, 1A, 1B, 1C, 2, 2A, 105, 107 etc.), which could be very complicated and required the attendance at the premises of a GPO telephone-engineer, who needed a complete set of 'N' (wiring) Diagrams, [7] [better source needed] which was very extensive and ...