Here’s how the modular connector got that way. For the first 80 years or so of the US telephone network, the Bell Company called all the shots. They owned absolutely every bit of equipment in ...

Common types are 6P4C, 6P2C and 8P8C. The most common uses of modular connectors are for plugging a telephone into the wall outlet (RJ-11), as well as the cable that connects the handset with the ...