// Telecom Connectors

RJ14 4-Wire 2-Line Phone

RJ14 (6P4C) carries two telephone lines on one connector. Pins 2-3 carry Line 2 and pins 4-5 carry Line 1 for 2-line business desk phones.

// Specifications

Standard

FCC Part 68

Configuration

6P4C

Line 1

Pins 4 tip and 3 ring

Line 2

Pins 5 tip and 2 ring

Use Case

2-line business phones, PBX desk sets

// Pin Reference Table

Pin	Name	Function	Type
1	Unused	Not connected	I/O
2	Ring 2	Line 2 ring negative	BUS
3	Ring 1	Line 1 ring negative	BUS
4	Tip 1	Line 1 tip positive	BUS
5	Tip 2	Line 2 tip positive	BUS
6	Unused	Not connected	I/O