User's Manual

CAREU U
3
V
ehicle
T
racker User Guide
14
Chapter 3
Pin# Signal Name Description I/O Remark
8 Output 3
Open-Collector
Output 3
O Imax = 300mA
9 CAN H CAN High I VI = 2.75V ~ 4.5V
10 CAN L CAN Low I VI = 0.5V ~ 2.25V
3. Serial Connector
Pin# Signal Name Description IO Remark
1 Vout1
Supply voltage output
O
Vo = 5V ( Vout 1~3 Total Imax =
500mA )
2 GND Signal ground
－
3
TX1 RS-232 Data output
O
4
RX1 RS-232 Data input
I
Support Accessories:
Garmin FMI PND, MDT M1/M7/
M7+
5 Vout2
Supply voltage output
O
6 GND Signal ground
－
Vo = 5.0V, (Vout1~3 Total Imax
= 500mA)
7 TX2 RS-232 Data output O
8 RX2 RS-232 Data input I
Support
Audio Box,
Supply voltage output
The Vout3 is not available on the
1-Wired Version
9
Vout2
1-Wire
®
1-Wire
®
Data input
O
I
It is only available on the 1-Wired
Version
10
GND
1-Wire
®
_
GND
Signal ground
1-Wire
®
ground
－
－
(Optional)
11 TX3 RS-232 Data output O
12 RX3 RS-232 Data input I
13 SPK+ Audio output O
14 SPK- Audio output O
15 MIC+ Microphone Input I
16 MIC- Microphone Input I