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Honeywell
MK XXII EGPWS Installation Manual
CAGE CODE: 97896 SCALE: NONE SIZE: A DWG NO: 060-4314-225 REV: C
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3.3.2.7 Digital – ARINC 429 Dual IOC Buses (Cat. 2. ID 255)
Air Data Type 255 (IOC bus or equivalent) is a dual, high speed, digital ARINC 429 signal having
the air data labels 203, 204, 206, 210, 212, and 213.
39
38
A
B
J2 IOC Buses
IOC Bus 1
EGPWS MK VI / MK VIII
A
B
ARINC 429
High Speed
41
40
A
B
IOC Bus 2
A
B
ARINC 429
High Speed
ARINC429-IOC.vsd
Cat 2 IOC Bus 1 IOC Bus 2
Vendor Model ID A B A B
BD 100 IAPS
L-IOC (L-GP-5)
R-IOC (R-GP-5)
255 A4P1-1 A4P1-2
A4P101-1 A4P101-2
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.