Garmin GNS 480 Installation Manual page 50
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Also See for GNS 480:
- Installation manaul (200 pages) ,
- Pilot's manual (160 pages) ,
- Quick reference (25 pages)
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Installation Procedures
Pin #
I/O
Name
44
O
Serial Ground 7/8
45
O
Aux CDI +Left
46
O
Aux CDI +Right
47
O
Aux CDI +TO
48
O
Aux CDI +FROM
49
O
Aux CDI +Valid
50
O
Aux VDI +Up
51
O
Aux VDI +Down
52
O
Aux VDI +Valid
53
O
Baro Lo
54
O
Aux CDI -Valid
55
O
Aux VDI -Valid
56
--
RESERVED
57
I
Heading Valid In
58
--
RESERVED
59
--
RESERVED
60
O
Dead Reck Annunciate Dead Reckoning Annunciator (active low)
61
O
Approach Annunciate
62
O
Parallel Track Annc
63
O
Suspend Annunciate
64
O
Message Annunciate
65
O
LOI Annunciate
66
O
Waypoint Annunciate
67
O
Term Mode Annc
68
O
Precision Appr
69
O
Altitude Alert Annc
70
O
Audio Msg Active Out Audio Message Active Annunciator (active low)
71
--
RESERVED
72
I/O
Discrete In/Out 1
73
I/O
Discrete In/Out 2
74
I/O
Discrete In/Out 3
75
I/O
Discrete In/Out 4
76
I
Suspend In
77
I
Audio Inhibit In
78
--
RESERVED
2-20
Table 2-7 I/O Expansion Connector Pin-Out (P5)
Description
RS232 signal ground (or spare ground)
GPS CDI Left
GPS CDI Right
GPS TO Flag
GPS FROM Flag
GPS CDI Valid Flag
GPS VDI Up
GPS VDI Down
GPS VDI Valid Flag
Baro Correction Return (Ground)
GPS CDI Valid Return
GPS VDI Valid Return
RESERVED
Syncro Heading Valid Input
RESERVED
RESERVED
Approach Active Annunciator (active low)
Parallel Track Annunciator (active low)
Suspend Annunciator (active low)
Message Annunciator (active low)
Loss of Integrity Annunciator (active low)
Waypoint Annunciator (active low)
Terminal Mode Annunciator (active low)
Precision Approach Output (active low)
Low Altitude Alert Annunciator (active low)
RESERVED
Discrete In/Out 1 (active low)
Discrete In/Out 2 (active low)
Discrete In/Out 3 (Not implemented at time of publication)
Discrete In/Out 4 (Not implemented at time of publication)
Suspend, places auto sequencing on hold (active low)
Inhibit Audio Messages (active low)
RESERVED
560-0982-01 Rev A
GNS 480 (CNX80) Installation Manual
Reference
2.8.10.1
2.8.3
2.8.5
2.8.3
2.8.6
2.8.7.3
2.8.7.4
2.8.7.5
2.8.7.6
2.8.7.7
2.8.7.8
2.8.7.9
2.8.7.10
2.8.8.2
2.8.7.11
2.8.8.3
2.8.8.5
2.8.9.6
2.8.9.7
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