Hitachi RAS-08PH1 - Page 72

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