Garmin GNC 420AW, Installation Manual

Page: 77 / 236

400W Series Installation Manual Page 4-15
190-00356-02 Rev. G
4.6.2 Serial Data Electrical Characteristics
4.6.2.1 RS-232
Pin Name Connector Pin I/O
GPS RS-232 OUT 1 P4001 56 Out
GPS RS-232 IN 1 P4001 57 In
GPS RS-232 OUT 2 P4001 58 Out
GPS RS-232 IN 2 P4001 59 In
GPS RS-232 OUT 3 P4001 41 Out
GPS RS-232 IN 3 P4001 42 In
GPS RS-232 OUT 4 P4001 54 Out
GPS RS-232 IN 4 P4001 55 In
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
Pin Name Connector Pin I/O
GPS ARINC 429 OUT A P4001 46 Out
GPS ARINC 429 OUT B P4001 47 Out
GPS ARINC 429 IN 1 A P4001 48 In
GPS ARINC 429 IN 1 B P4001 49 In
GPS ARINC 429 IN 2 A P4001 50 In
GPS ARINC 429 IN 2 B P4001 51 In
VOR/ILS ARINC 429 OUT A P4006 24 Out
VOR/ILS ARINC 429 OUT B P4006 23 Out
VOR/ILS ARINC 429 IN A P4006 36 In
VOR/ILS ARINC 429 IN B P4006 35 In
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.