ST3300 User Manual
3
Emergency is the first to be sent after recovering WCDMA condition.
2-3. Setting Parameter
Parameters of device can be changed by WCDMA or SMS, and some control can be realized also
in the same way.
Detail protocols are described in Chapter 4.
2-4. Features
Key features are described here;
- Power Down
Device can process two steps of power-down, Sleep and Deep Sleep, for reducing power
consumption when the vehicle is parked.
- LED Indicator
LED indicates WCDMA and GPS states. It’s helpful to check error cause.
- Events
Device has 2 output lines, 3 input lines and ignition line.
- Update Firmware by Over The Air (FOTA)
When Firmware of device has some error or has to be changed for a new service to be
implemented, device can update internal ROM file by over the air (FOTA), remotely via WCDMA.
Customers do not need to visit every vehicle to download the new firmware.
Method of FOTA describes at “SunTech_OTA_UA_Protocol” document in detail.
- Parking Lock
Device can check whether the vehicle moves off the preset parking boundary or starts driving
without ignition on. In the case that it notes the unauthorized moving or driving, it sends
emergency report immediately.
- Over speed
Device can check speed of vehicle and send alert of over-speed to server.
- GPS Antenna Checking
Device can alert when GPS antenna is disconnected.
