Outdoor microcomputer
Indoor microcomputer
35V DC line
Fig. 3-2 Voltages Waveforms of indoor / Outdoor Microcomputers (Outdoor to Indoor Communications)
Outdoor microcomputer
Indoor microcomputer
35V DC line
Fig. 3-3 Voltages Waveforms of indoor / Outdoor Microcomputers (Indoor to Outdoor Communications)
Pin
44
62
Pin
Pin
52
51
Pin
Pin
44
Pin
62
52
Pin
51
Pin
65
0.7V
0V
5V
0V
5V
0V
5V
0V
35V
0V
5V
0V
5V
0V
5V
0V
35V