This modular adapter has a DB9 male connector that plugs into DB9 RS232 serial port and converts it to an RJ11 or RJ12 connection.

RJ12 Pinout:

Pin1 -- White
Pin2 -- Black
Pin3 -- Red
Pin4 -- Green
Pin5 -- Yellow
Pin6 -- Blue

* Gold plated pin
* 28AWG wire
* Molded ivory color housing
* Thumb screw

Estimated ACTUAL Quantity Available: 19. Should you need more stock than our advertised quantity of 50pcs, please click the CONTACT SELLER link and let us know how many you need and we will update the TOTAL QUANTITY available.