Secondary Interface - Pinout; Figure 2-2. Primary Interface Pinout Locations; Table 2-2. Secondary Interface Pinout Locations - Honeywell BendixKing KT 74 Installation Manual

Figure 2-2. Primary Interface Pinout Locations

2.5.2 Secondary Interface – Pinout
Refer to Table 2-2 and Figure 2-3 for the primary interface pinout locations.

Table 2-2. Secondary Interface Pinout Locations

Pin Signal
1 Ground
Serial Alt out
2
Serial Alt in
3
4 Reserved
5 Audio mute in
6 Altitude alert
A Ground
B Audio +
C Audio -
D Reserved
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15 Nov 2013