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Outdoor microcomputer Pin 48
Outdoor microcomputer Pin 48
Pin 51
Pin 51
Indoor microcomputer Pin 50
Indoor microcomputer Pin 50
Pin 49
Pin 49
35V DC line
Fig. 2-2 Voltages Waveforms of Indoor / Outdoor Microcomputers (Outdoor to Indoor Communications)
Outdoor microcomputer Pin 48
Outdoor microcomputer Pin 48
Pin 51
Pin 51
Indoor microcomputer Pin 50
Indoor microcomputer Pin 50
Pin 49
Pin 49
35V DC line
Fig. 2-3 Voltages Waveforms of Indoor / Outdoor Microcomputers (Indoor to Outdoor Communications)
100ms.
Leader
4.95ms.
Transmit/receive
switching time
- 46 -
33ms.
1 frame
33ms.
1 frame
5V
0V
5V
0V
5V
0V
5V
0V
35V
0V
5V
0V
5V
0V
5V
0V
35V
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