This protocol is necessary for using following FM features: First when module connects to server, module sends its IMEI. XX - Available since base firmware Main differences between are shown in above table. When Longitude and Latitude values are known, longitude and latitude representation in degrees can be computed as follows:. 
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Then goes four bytes data size field size is calculated from 0x0C field to the second command or response quantity field. Codec14 is original Teltonika protocol for device-server communication over GPRS messages and it is based on Codec12 protocol.
Last byte padded to align to byte boundary.
FM2200 Teltonika
Simply write command as explained below into Hercules Send field and click Send button. Then goes command or response quantity field it is ignored when parsing the message. For more detailed description look in codec 8 and codec 8 extended chapters.
Views Read View source View history. The example commands given in hexadecimal form separated by dollar signs are suitable to be sent from TCP server during data exchange session between FMXXXX device and server for more details see Figure 1 Command session The command can be sent from a terminal program such as Hercules in TCP server mode.
Main differences between are shown in above table. If it is 0, coordinate is positive, if it is 1, coordinate is negative.
When Longitude and Latitude values are known, longitude and latitude representation in degrees can be computed as follows:. Then follows telotnika bytes command or response size field. Encoded using continuous bit stream. After it follows the command or response field itself.
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After that goes one byte message type field. From Wiki Knowledge Base Teltonika. Padding bits to align to 8-bits boundary represented in seconds elapsed from After receiving IMEI, server should determine if it would accept data from this module. XX - Available since base firmware Figure 3 CRC calculation algorithm. A codec encodes a data stream or a signal for transmission and storage, possibly in encrypted form, and the decoder function reverses the encoding for playback or editing.
Number of AVL data elements accepted 1 byte — number of AVL data array entries from the beginning of array, which were accepted by the server.
This is the approved revision of this page, as well as being the most recent. Any unused bits should be left blank. Because the smallest information amount that can be written is one bit, there can be some bits left unused when result is byte array. General Codec12 fimrware structure The following diagram shows basic structure of Codec 12 messages.
Codec - Wiki Knowledge Base | Teltonika
For this reason active datalink timeout global parameters in FMXXXX configuration is recommended to be set to maximum value. Then goes four bytes data size field size is calculated from 0x0C field to the second command or response quantity field. Retrieved from " https: CodecId — 08 or codec 16, NumberOfData — 2.
Server command Hexadecimal stream: Data packet can be interpreted as a bit stream, where all bits are numbered as follows:. XX Since base firmware 1. Retrieved from " https: After that goes the second command or response quantity field.
Acknowledgment packet should have the same packet id as acknowledged data packet and empty data payload. If yes server will reply to module 01 if not
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