User's Manual

5
Sales Engineering
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Connectors IO Interface:
Main 24-pin Molex Connector (IO Interface):
Pin No.
Pin Name
Comments
1
12/24 Volt Power
2
LED+12V
w/5K limiting resistor (panic LED)
3
Ground
Main Battery GND
4
Ign Out
Buzzer +12V/24V with 560 ohm
5
IN0
Ignition Sense
6
IN1
7
IN2
8
IN3
Panic: pin3 on panic 4-pin Molex
9
IN4
10
OUT0
Buzzer GND
11
OUT1
12
OUT2
Panic: pin4 (LED) on panic 4-pin
Molex
13
Garmin PWR
12V/2A Switched
14
Serial Port-1 TX
Garmin FMI Tx
15
Serial Port-1 RX
Garmin FMI Rx
16
Serial Port-1 GND
Garmin FMI GND
17
Serial Port-2 TX
18
Serial Port-2 RX
19
Serial Port-2 GND
20
1-Wire Serial Main
iButton Data (default)
21
1-Wire Serial Sec.
22
Ext. ADC
23
Spare GND
Panic GND
24
Spare GND