connect totelephone company lines that provide ground start service. The 5140DLM Backup Dialer mounts to the main PCB shield and connects tothe main PCB J3 connector using a ribbon cable (supplied with module (Part# N3101E09) asshown in the Summary of Connections diagram at the end of this manual.
Connect the earth ground screw on the 5140DLM to the earth ground screw(terminal 30) on the main PCB using 16 AWG wire.
Cut the blue jumper when the dialer outputs are connected to telephonelines, which have a telephone company MTU installed.