Serial Data Electrical Characteristics - Garmin GPS 400W, GNC 420W Installation Manual

4.6.2

Serial Data Electrical Characteristics

4.6.2.1 RS-232
GPS RS-232 OUT 1
GPS RS-232 IN 1
GPS RS-232 OUT 2
GPS RS-232 IN 2
GPS RS-232 OUT 3
GPS RS-232 IN 3
GPS RS-232 OUT 4
GPS RS-232 IN 4
The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ± 5 V
when driving a standard RS-232 load.
4.6.2.2 ARINC 429
GPS ARINC 429 OUT A
GPS ARINC 429 OUT B
GPS ARINC 429 IN 1 A
GPS ARINC 429 IN 1 B
GPS ARINC 429 IN 2 A
GPS ARINC 429 IN 2 B
VOR/ILS ARINC 429 OUT A
VOR/ILS ARINC 429 OUT B
VOR/ILS ARINC 429 IN A
VOR/ILS ARINC 429 IN B
The GPS and VOR/ILS ARINC 429 outputs conform to ARINC 429 electrical specifications when
loaded with up to 5 standard ARINC 429 receivers.
4.6.3 Serial Data Configuration
Refer to Section 5.3 for serial data configuration information.
4.6.4 Serial Data Calibration and Checkout
Refer to Section 5.3 and Section 5.5.6 for the serial data checkout information.
4.6.5 Serial Data Interconnects
Refer to for Appendix H for serial data interconnect information.
400W Series Installation Manual
190-00356-02
Pin Name
Pin Name
Connector Pin
P4001 56
P4001 57
P4001 58
P4001 59
P4001 41
P4001 42
P4001 54
P4001 55
Connector Pin
P4001 46
P4001 47
P4001 48
P4001 49
P4001 50
P4001 51
P4006 24
P4006 23
P4006 36
P4006 35
I/O
Out
In
Out
In
Out
In
Out
In
I/O
Out
Out
In
In
In
In
Out
Out
In
In
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Rev. E