Hitachi RAS-E08H2A - Page 41

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33
m
s
.
1
f
r
a
m
e
4.95m
s
.
T
ransmit/receive
switc
h
in
g
time
5V
0V
0
V
5
V
0
V
3
5V
5
V
0V
3
5V DC lin
e
Fig. 2-3 Voltages Waveforms of Indoor / Outdoor Microcomputers (Indoor to Outdoor Communications)
Outdoor microcomputer Pin 48
Pin 51
Indoor microcomputer Pin 50
Pin 49
48
5
50
49
33
ms.
1
f
ram
e
1
00m
s
.
L
ea
d
er
5
V
5V
0V
5
V
35V D
C
lin
e
0V
5
V
0
V
0V
3
5V
Outdoor microcomputer Pin 48
Pin 51
Indoor microcomputer Pin 50
Pin 49
Fig. 2-2 Voltages Waveforms of Indoor / Outdoor Microcomputers (Outdoor to Indoor Communications)
48
5
50
49