V A L A V I O N I C S L T D
N A V 2 0 0 0 N A V I G A T I O N R E C E I V E R
I N S T A L L A T I O N A N D O P E R A T O R ’ S M A N U A L
Release issue
Page 16 of 29
Oct. 2013
Table 4: Rear Connector Pin Functions
Pin
Functoin
I/O
1 Main Power
Input
2 Airframe Ground
3 Serial Ground
4 RS-232 Input
Input
5 RS-232 Output
Output
6 Reserved
7 OBS_D (COS)
Input
8 Reserved
Input
9 Reserved
10 CDI +Flag
Output
11 + From
Output
12 + To
Output
13 CDI +Right
Output
14 CDI + Left
Output
15 Backcourse
Output
16 OBS_F (SINE)
Input
17 Reserved
18 Reserved
19 Composite Output
Output
20 Audio Ground
21 Reserved
22 Reserved
23 Audio Output
Output
24 OBS_H (Reference)
Output
25 OBS_C
Output
26 OBS_E
Input
27 Reserved
28 VDI +Flag
Output
29 CDI -Flag
Output
30 VDI +Up
Output
31 VDI + Down
Output
32 VDI - Flag
Output
33 ILS Energize
Output
34 OBS_G
Output
35 Reserved
36 Reserved
37 Ground (composite)
