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Honeywell
MK XXII EGPWS Installation Manual
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-225 REV: C
SHEET
69
3.3.3.3 Dual ARINC 429 BUS (Cat. 3 ID 255)
NOTE: If GPS #2 is not installed in the aircraft, then GPS bus #1 must be connected in parallel to
both EGPWS GPS input ports.
25
8
A
B
J2 ARINC 429 GPS
ARINC 429 Bus 1
Lo
EGPWS MK XXII
A
B
ARINC 429
GPS Bus
23
6
A
B
A
B
ARINC 429
GPS Bus
Hi
ARINC 429 Bus 2
Lo
Hi
ARINC429-DualGPS.vsd
429 GPS Alt ARINC Bus 1 Bus 2
Aircraft Model Speed Ref. 743/743A A B A B
BD 100
GPS-1 (L-GPS-2)
GPS-2 (R-GPS-2)
High
High
MSL
MSL
743A
743A
A25BP1-6A A25BP1-6B
A24BP1-6A A24BP1-6B
NOTE: The connector pin numbers given in the Table above are to the best knowledge of Honeywell EGPWS
engineering. Please contact the manufacturer’s customer service to confirm your installation.