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RJ11/RJ12 6P6C Breakout Board

BRK6P6C - 6P6C Breakout Board, R/A Connector, Feet
Part No. Description Price Stock
BRK6P6C-R-FT 6P6C Breakout Board, R/A Connector, Feet $12
BRK6P6C-S-FT 6P6C Breakout Board, Straight Connector, Feet $12
BRK6P6C-R-DIN 6P6C Breakout Board, R/A Connector, DIN Rail Mount $13 3
BRK6P6C-S-DIN 6P6C Breakout Board, Straight Connector, DIN Rail Mount $14 4
∗ Standard lead time is 1 week

General Description

This breakout board brings all 6 pins of its 6P6C modular jack out to screw terminal blocks for easy connection and prototyping work. Each pin is also brought to solder pads (5 per line) at 0.1' spacing, allowing easy addition of standard pin headers.

This break out board is perfect for experimentation and prototype work, as well as for use in the educational laboratory. It is well-suited for work with serial ports, data acquisition equipment, telephone lines, and any other device that uses a 6P6C connector. A breakout board is sometimes referred to as a 'transition module', 'terminal board', or 'interface module'.

The 6P6C designation on the modular jack stands for 6-Position, 6-Conductor, meaning it will accept telephone connectors commonly referred to as RJ11, RJ12, and RJ14.

For mounting on a panel, we suggest the rubber feet version (-FT), 1/4' nylon standoffs under the mounting holes, and #6 screws.

Connector Style

These breakout boards are available with either a Right Angle connector or a Straight ('Vertical') connector. The terms Right Angle and Straight refer to the connector itself, NOT the relationship of the mating cable to the PCB. In fact, the cable mating to a Right Angle connector is parallel to the PCB, while the cable mating to a Straight connector is perpendicular to the PCB. These are pictured below:

Right Angle Connector
BRK6P6C-R-FT pictured
Straight Connector
BRK6P6C-S-FT pictured

DIN Rail Mount Version

These products are also available with DIN rail mounting clips for quick and convenient mounting where DIN rail is used. Product numbers ending with -DIN come with DIN clips already installed and ready to mount. The clips allow mounting on standard 35mm rail as well as 32mm rail.

(BRK6P6C-R-DIN pictured - rail not included)


  • 6P6C Jack (accepts RJ11, RJ12, and RJ14)
  • Perfect for prototyping serial port circuits
  • Screw terminal for each data line
  • Screw terminals accomodate wire sizes from 16AWG to 26AWG
  • Solder connection holes, five (5) per line
  • Supports addition of .1' pin headers
  • Approximate dimensions: 2.38' x 1.9'
  • Rubber feet or DIN rail mount