Garmin GPS 400W, Installation Manual

Page: 56 / 212

Page 4-2 GNS 400W Series Installation Manual
Rev. G 190-00356-08
Pin
Pin Name
I/O
Standard Function [1] Alternate Function [1]
40 LIGHTING BUS LO In
41 GPS RS-232 OUT 3 Out
42 GPS RS-232 IN 3 In
43 MAIN OBI CLOCK RESERVED Out
44 MAIN OBI DATA HTAWS AUDIO ACTIVE Out
45 MAIN OBI SYNC RESERVED Out
46 GPS ARINC 429 OUT A Out
47 GPS ARINC 429 OUT B Out
48 GPS ARINC 429 IN 1 A In
49 GPS ARINC 429 IN 1 B In
50 GPS ARINC 429 IN 2 A In
51 GPS ARINC 429 IN 2 B In
52 RESERVED --
53 RESERVED --
54 GPS RS-232 OUT 4 Out
55 GPS RS-232 IN 4 In
56 GPS RS-232 OUT 1 Out
57 GPS RS-232 IN 1 In
58 GPS RS-232 OUT 2 Out
59 GPS RS-232 IN 2 In
60 ALTITUDE COMMON (GROUND) Out
61 ALTITUDE C4 [2] REDUCED PROTECTION (RP MODE) In
62 ALTITUDE C2 [2] AURAL SUPPRESSION In
63 ALTITUDE C1 [2] TERRAIN INHIBIT In
64 ALTITUDE B4 [2] HTAWS AUDIO INHIBIT In
65 ALTITUDE B2 [2] RESERVED In
66 ALTITUDE B1 [2] RESERVED In
67 ALTITUDE A4 [2] RESERVED In
68 ALTITUDE A2 [2] RESERVED In
69 ALTITUDE A1 [2] RESERVED In
70 ALTITUDE D4 [2] AIR/GROUND [3] In
71 OBS MODE SELECT In
72 AIRCRAFT POWER 2 In
73 CDI SOURCE SELECT In
74 COM REMOTE RECALL In
75 DEMO MODE SELECT In
76 RESERVED --
77 AIRCRAFT GROUND --
78 AIRCRAFT GROUND --
[1] When the airframe is configured for helicopter (see Section 5.3.3) and HTAWS is enabled, the
alternate functions are available, and the standard I/O functions on those pins are not available.
[2] The altitude input is not available when the airframe is configured for helicopter.
[3] When the airframe is configured for helicopter, the Air/Ground input is available and can be
enabled or disabled. See Section 5.3.3.