Garmin GNS 430 - ARINC 429 Transmitters and Receivers

Page 5-52 400 SERIES MAINTENANCE MANUAL
Rev. C P/N 190-00140-05
5.7.6.23 ARINC 429 Transmitter and Receivers
Unit outputs both HIGH and LOW speed signals at the same
time in test mode while on the Main Status/Loopback Test Page,
thus both speeds are tested simultaneously.
For: GPS ARINC 429 OUT A (J1-46).
GPS ARINC 429 OUT B (J1-47).
GPS ARINC 429 IN 1A (J1-48).
GPS ARINC 429 IN 1B (J1-49).
GPS ARINC 429 IN 2A (J1-50).
GPS ARINC 429 IN 2B (J1-51).
A. 429 RX 1 LOWSPEED and HIGHSPEED
429 RX 2 LOWSPEED and HIGHSPEED
1. Test both 429 receivers and 429 transmitter.
2. Connect 429 transmitter A and B to both 429 receivers (Figure 2-2).
3. Verify 429 RX 1 LOWSPEED OK and 429 RX 2 LOWSPEED OK via the Main
Status/Loopback Test Page (Figure 5-12).
______ OK
4. Verify 429 RX 1 HIGHSPEED OK and 429 RX 2 HIGHSPEED OK via the Main
Status/Loopback Test Page (Figure 5-12).
______ OK
Figure 5-12. Main Status/Loopback Test Page
______ OK