Chapter 3
12
CAREU U1 Vehicle Tracker User Guide
3.2. Connector Pin Assignment
Connector Pin Definition
1. PWR Connector
Pin# Signal Name
Description
I/O
Electrical Characteristic
1
DC IN
Power supply input
I
DC Vin = +8 ~ +30V
Normal = 70mA @ 12V
2
GND
Signal ground
----
3
Ignition
Ignition(ACC) Input
I
DC Vin = +30 ~ +0.7V (Active high)
4
Output1
Open-Collector
Output1
O
Imax = 300mA
2. I/O Connector
Pin# Signal Name
Description
I/O
Electrical Characteristic
1
Analog Input
2
Analog Input 2
I
DC VIN = +30V ~ 0V (default)
Input 3
(Optional)
Positive Trigger
input 3
I
DC VIN = +30V ~ +0.7V (High
Active)
2
Input 4
Positive Trigger
input 4
I
DC VIN = +30V ~ +0.7V (High
Active)
3
Input 1
Negative Trigger
input 1
I
DC VIN = +0.6V ~ 0V (Low Active)
4
Input 2
Negative Trigger
input 2
I
DC VIN = +0.6V ~ 0V (Low Active)
5
Analog Input
1
Analog input 1
I
DC VIN = +30V ~ 0V
6
GND
Signal ground
----
7
Output 2
Open-Collector
Output 2
O
Imax = 300mA
1
1
9
1
9
5
5
13
3
3
3
11
7
7
15
2
2
10
2
10
6
6
14
4
4
4
12
8
8
16
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