User's Manual
Table Of Contents
- Contents
- 0. Revision History
- 1. Introduction
- 2. Product Overview
- 3. Get Started
- 3.1. Open the Case
- 3.2. Install a SIM Card
- 3.3. Install the Internal Backup Battery
- 3.4. Switch on the Backup Battery
- 3.5. Install the External GPS Antenna
- 3.6. Power Connection
- 3.7. Ignition Detection
- 3.8. Digital Inputs
- 3.9. Analog Inputs
- 3.10. Digital Outputs
- 3.11. Device Status LED
- 3.12. Serial Port/UART Interface
- 3.13. Reset Button
- 4. FCC Statement
GV300TP User Manual
TRACGV300TPUM001 - 9 -
2.3.Interface Definition
The GV300TP has two connectors which include a 16 PIN interface connector and a 14pin
interface connector. The 16 Pin interface connector contains the connections for power, I/O,
RS232, microphone, speaker, etc and the 14Pin interface connector contains High speed CAN,
Low speed CAN, K-LINE, L-LINE . The sequence and definition of these two connectors are shown
in the following figure:
Figure 2.The 16 PIN Connector on the GV300TP
Table 5.Description of 16 PIN Connections
Index
PIN Name
Description
1
MICP
2-2.2k Microphone (+),Internal bias
2
AGND
Microphone Ground (-)
3
IGN
Ignition input, positive trigger
4
RXD
RS232 Connect to external device TX
5
TXD
RS232 Connect to external device RX
6
GND
Power and digital ground
7
OUT3
Voltage output 3(5V/ 1-WIRE power support)/ Negative Output3
8
OUT2
Voltage output 2(12V)/ Negative Output2
9
EARP
Differential output, 32 ohm 1/4w speaker
10
EARN
11
PWR
External DC power input, 8-32V