Panasonic KX-TG4011LAT Service Manual page 46

KX-TG4011LAT/KX-TG4012LAT/KX-TG4013LAT/KX-TGA403LAT
12.2.2. Connections (Handset)
Connect the DC Power or Battery to BATT+ and BATT-.
Connect the JIG cable GND (black) to GND.
Connect the JIG cable UTX (yellow) to UTX and URX (red) to URX.
Note:
*: COM port names may vary depending on what your PC calls it.
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