Pixhawk 2.4.8 CRSF not connecting

ArduPlane Plane 4.5
1

I have Pixhawk 2.4.8 and CRSF RC. Receiver and transmitter are connected, but I can’t connect receiver and flight controller. I’m using TELEM2.

SERIAL2_PROTOCOL = 23
RC_OPTION = 32
RC_PROTOCOL = 1
RSSI_TYPE = 3.