Diy P1 Connection For Rfxtrx433Xl Batch 3618 And 4018; Diy P1 Connection For Rfxtrx433Xl Batch 4918 And Later - RFXCOM RFXtrx Series User Manual

17.1. DIY P1 connection for RFXtrx433XL batch 3618 and 4018

1. Open the enclosure by removing the 4 screws.
2. Connect a 4k7 resistor between 3V3 and RxD.
3. Connect the RJ11 cable to the RFXtrx433XL PCB RFXtrx V5.0:
RJ11-2 to RTS
RJ11-3 to GND
RJ11-4 not used
RJ11-5 to RxD
4. Cut a few plastics from the upper side of the enclosure using a Stanley knife.
5. Cut also at the same position a few plastics from the bottom part.
6. Close the enclosure. First turn the screw left until you hear/feel a soft click, now turn the screw
right and fix the screw (not too tight).

17.2. DIY P1 connection for RFXtrx433XL batch 4918 and later

1. Open the enclosure by removing the 4 screws.
2. Connect a 3k3 resistor between 3V3 and RxD
3. Connect the RJ11 cable to the RFXtrx433XL PCB RFXtrx V5.1:
RJ11-2 to RTS
RJ11-3 to GND
RJ11-4 not used
RJ11-5 to RxD
4. Cut a few plastics from the upper side of the enclosure using a Stanley knife.
5. Cut also at the same position a few plastics from the bottom part.
6. Close the enclosure. First turn the screw left until you hear/feel a soft click, now turn the screw
right and fix the screw (not too tight)
RTS
Copyright 2011-2020, RFXCOM
RxD -- GND RTS
3V3 RxD GND
RFXtrx Version 5.68
--
3V3
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