Garmin GWX 70 Installation Manual - Page 45
Serial Data, Serial Data Electrical Characteristics
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4.3 Serial Data 4.3.1 Serial Data Electrical Characteristics 4.3.1.1 RS-232 Table 4-4. RS-232 Pin Name RS-232 IN 1 RS-232 OUT 1 RS-232 IN 2 RS-232 OUT 2 RS-232 IN 3 RS-232 OUT 3 Connector P751 P751 P751 P751 P751 P751 Pin I/O 74 In 75 Out 59 In 58 Out 77 In 78 Out The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ±5V when driving a standard RS-232 load. 190-00829-01 Rev. C GWX 70 Installation Manual Page 4-5
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190-00829-01
GWX 70 Installation Manual
Rev. C
Page 4-5
4.3
Serial Data
4.3.1
Serial Data Electrical Characteristics
4.3.1.1
RS-232
The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ±5V when
driving a standard RS-232 load.
Table 4-4.
RS-232
Pin Name
Connector
Pin
I/O
RS-232 IN 1
P751
74
In
RS-232 OUT 1
P751
75
Out
RS-232 IN 2
P751
59
In
RS-232 OUT 2
P751
58
Out
RS-232 IN 3
P751
77
In
RS-232 OUT 3
P751
78
Out