
GPRS settings:
2001 – APN
2002 – APN username (if there are no APN username, empty field should be left)
2003 – APN password (if there are no APN password, empty field should be left)
Server settings:
2004 – Domain
2005 – Port
2006 – Data sending protocol (0 – TCP, 1 – UDP)
Note: Before SMS text, two space symbols should be inserted.
After successful SMS configuration, TMT250 device will synchronize time and update records to
configured server. Time intervals and default I/O elements can be changed by using Teltonika
Configurator or SMS parameters.
Precautions
Operate the device in suitable conditions
Do not use the device where mobile connectivity is forbidden.
Road safety first
Comply with local traffic laws, always hold your hands on a steering wheel when using a device.
Your safety is of utmost importance when you drive.
Interference
All wireless devices are sensitive to electromagnetic interference, as a result wireless devices
affect the performance of each other.
Limit the use of device in hospitals
Please follow all restrictions. Turn off the device in the vicinity of medical devices when
required.
Limit the use of device in vehicles
Please follow all restrictions. Wireless devices can interfere with other electronic equipment in
vehicles.
Be cautious near flammable materials and liquids
Charging precautions
SELV LPS chargers, personal computers or laptops that device will be connected to must comply
with the requirements of IEC 60950:2005 standard.
Use only original batteries
Using uncertified manufacturer or different type batteries may cause an explosion.
Use batteries safely
Protect batteries from moisture. Place them in a cool and dry place when storing. Avoid
extensive operation at high temperatures. Do not attempt charging battery directly from the
electrical mains. All utilised batteries shall comply with IEC 62133.