Sandel ST3400H HeliTAWS, Installation Manual

Page: 37 / 112

4.6 Connector P2
For electrical characteristics, see the table in section 4.9 by referencing the signal type
indicated in
italics. Signal types enclosed in parentheses indicate functionality that is reserved.
PIN # Name Signal Type (dependent on system configuration)
1 Aircraft Power In Aircraft Power
9
Aircraft Power
In Aircraft Power
2
Selectable Discrete*
Reduced Sensitivity Annunciator
(default)
TCAS Altitude Mode
Out
Open Drain
10
Selectable Discrete*
Radalt Test (default)
TCAS Test Mode
Out
Open Drain
3 Aircraft Ground In System Ground
11 Aircraft Ground In System Ground
4
Selectable Discrete*
Glideslope INH Annunciator (default)
TCAS Inhibit
Out
(Open Drain)
12
Selectable Discrete*
TAWS INH Annunciator (default)
Radalt MINS Annunciator
Out
Open Drain
5 GS INH Switch In
In
Discrete OPEN/GND Momentary Switch
13 Mute Switch In
In
Discrete OPEN/GND Momentary Switch
6
Sensitivity Switch In
In
Discrete OPEN/GND Momentary Switch
14
Selectable Discrete*
Warning Annunciator (default)
TCAS Operate Mode
Out
Open Drain
7
Selectable Discrete*
Caution Annunciator (default)
TCAS Test Mode
Out
Open Drain
15
Selectable Discrete*
Mute Annunciator (default)
Radalt Test
Out
Open Drain
8*
Selectable Discrete*
TCAS Inhibit (default)
GPWS Fail Annunciator
Out
Open Drain
82046-IM-K ST3400H INSTALLATION MANUAL Page 4-10