DB9 Female to RJ12 MPI Serial Cable 6FT LG TV

6 Foot DB9-Female to MPI RJ12 Connector Male

Generic Serial Transfer Cable For Devices
RJ-12 IDC Connector to DB9-F Serial Port.
Primarily used to transfer Serial Data back and forth from to Control LG TV.


Wiring Schematic (Tentative Drawing Untested 07/08/2025)

DB9-F         RJ-12                    Signal 
Pin 1-6-7-8   
Pin 2         Pin-2      ?              Receive Data
Pin 3         Pin-1      ?             Transmit Data 
Pin 4       
Pin 5         Pin-5                    Ground 
Pin 9
Shell         Pin-5                    Ground