Table of Contents
Advertisement
PIN #
Name
Airdata A
26
11
Airdata B
Reserved
41
27
Reserved
Spare Discrete 1
12
42
429-1 Out A
429-1 Out B
28
13
RS232TxD
Air Data Valid
43
29
BC In
Gear In
14
44
NVIS Ctrl
30
Spare Sw Discr
Radalt Fail In
15
82046-IM-K
Signal Type (dependent on system configuration)
In
A429*
(R422*)
(R232)
(Ana)
In
A429*
(R422*)
(R232)
(Ana)
Do not connect
Do not connect
In
Discrete
Out
A429
Out
A429
Out
R232
In
Discrete
In
Discrete
In
Discrete
In
Discrete
In
Discrete
In
Discrete
15
14
13
12
11
10
9
30
29
28
27
26
25
24
44
43
42
41
40
39
Outside View (Mating Connector)
ST3400H INSTALLATION MANUAL
A side 429
+ side 422
Ground side
DC+
B side 429
- side 422
Rx
DC-
n/c
Programmable OPEN/GND or OPEN/+28
A Side - Alert output to FDR - High Speed (100Kbps)
B Side - Alert output to FDR - High Speed (100Kbps)
Spare
Programmable OPEN/GND or OPEN/+28
Programmable OPEN/GND or OPEN/+28
Programmable OPEN/GND or OPEN/+28
OPEN/GND. GND turns NVIS OFF unless sensing is
reversed in SYSTEM maintenance page, when GND
turns NVIS ON.
OPEN/GND
>9VDC nom = Radalt Valid
8
7
6
5
4
3
2
23
22
21
20
19
18
17
38
37
36
35
34
33
32
1
16
31
Page 4-9
Advertisement
Table of Contents
