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Technical Information
82005-IM-K
Sandel SN3500 Installation Manual
Page 2-12
2.5.3
Connector P3
Pin #
Name
Signal Type (dependent on maintenance page selection)
1
Aircraft Pwr
In
+22 to +33Vdc
Power
9
Aircraft Pwr
In
Power
2
GPS OBS/HOLD
or
TACAN Relay Out
(Out)
(Open Drain)
10
GPS APPR ARM
or
TACAN Relay Out
(Out)
(Open Drain)
3
Aircraft Ground
In System
Ground
11
Aircraft Ground
In System
Ground
4
GPS1 Relay
Sense / Selected
In
Discrete Valid
12
GPS2 Relay
Sense
In
Discrete Valid
5
NAV2 Relay
Sense
In
Discrete Valid
13
NVIS Ctrl
or
REV Control
In – Active Low
Discrete
6
Analog DME Valid
or
REV Control
In
Discrete Valid
14
FCS BACK
COURSE
Out
(Open Drain)
7
GPS1 Relay
Out
Open Drain
15
GPS2 Relay
Out
Open Drain
8
NAV2 Relay
Out
Open Drain
8
15
7
14
1
6
13
5
12
4
11
3
10
2
9
Outside
View
(Mating
Connector)
Summary of Contents for SN3500
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