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 - 20 -
3.12.Serial Port/UART Interface
There are two lines dedicated to the Serial Port/UART interface (TXD and RXD). TXD/RXD is
standard RS232 signal.
Figure 15.Typical Connection with RS232 Port
3.13.Reset Button
Figure 16. Reset Button
Use a thin pin to insert the hole and press the reset button if the device working in abnormal.