3.2 Test RJ12 Port
Advanced Tests · Optional · Test the RJ12 port with an expander board or pendant
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Objective: This section verifies that the RJ12 port can communicate correctly. You can test it with either the expander board or a pendant / hand controller.
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NOTE: This is an optional advanced test. If you do not use the RJ12 port, you can skip this section.
1
Method 1: Use the Expander Board
- Power off the controller board.
- Connect the expander board directly to the RJ12 port.
- Power on the controller board.
- The expander board should work directly without extra setup.
2
Method 2: Use a Pendant / Hand Controller
- Install ESP3D firmware on the pendant from: https://webinstaller.esp3d.io/
- On the pendant, open Settings and set communication mode to Serial.
- Go back to Settings, open Setting Editor, and set Swap RX TX to Disable.
- Set the baud rate to 1000000.
- Connect the pendant to the RJ12 port and test communication.
- Expander board: Works directly after connection.
- Pendant: Communicates normally after setting Serial, Swap RX TX Disable, and 1000000 baud rate.