INSTALLATION MANUAL
89000007
Page 2-7
15 Nov 2013
© Honeywell International Inc. Do not copy without express permission of Honeywell.
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
Direction
1 Ground
-
2
Serial Alt out
Output
3
Serial Alt in
Input
4 Reserved
Input
5
Audio mute in
Input
6 Altitude
alert
Output
A Ground
-
B Audio
+
Output
C Audio
-
Output
D Reserved
-
