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400 SERIES MAINTENANCE MANUAL Page B-3
P/N 190-00140-05 Rev. C
Table B-3. J1 Descriptions
(continued)
AIRCRAFT POWER 20 I
MAIN +LEFT 21 O
MAIN +RIGHT (2.5V Common) 22 O
MAIN LATERAL +FLAG 23 O
MAIN LATERAL -FLAG (2.5V Common) 24 O
MAIN +TO 25 O
MAIN +FROM (2.5V Common) 26 O
MAIN +UP 27 O
MAIN +DOWN (2.5V Common ) 28 O
MAIN VERTICAL +FLAG 29 O
MAIN VERTICAL -FLAG (2.5V Common) 30 O
MAIN OBS ROTOR C 31 O
MAIN OBS ROTOR H (Ground) 32 O
MAIN OBS STATOR D 33 I
MAIN OBS STATOR E (2.5V Common OBS) 34 O
MAIN OBS STATOR F 35 I
MAIN OBS STATOR G (2.5V Common OBS) 36 O
ALTITUDE ALARM AUDIO HI 37 O
ALTITUDE ALARM AUDIO LO (Ground) 38 I
LIGHTING BUSS HI 39 I
LIGHTING BUSS LO 40 I
GPS RS232 OUT3 41 O
GPS RS232 IN3 42 I
MAIN OBI CLOCK 43 O
MAIN OBI DATA 44 O
MAIN OBI SYNC 45 O
GPS ARINC 429 OUT A 46 O
GPS ARINC 429 OUT B 47 O
GPS ARINC 429 IN1 A 48 I
GPS ARINC 429 IN1 B 49 I
GPS ARINC 429 IN2 A 50 I
GPS ARINC 429 IN2 B 51 I
RESERVED 52 -
RESERVED 53 -
GPS RS232 OUT4 54 I