MeiTrack MT80i Manuel d'utilisateur télécharger pdf (Page 4)

File Name:

MEITRACK GPRS Protocol

Creator:

Cavana Cheung

Project:

MVT340/MVT380/MVT100/

MVT600/MVT800/T1/T3/MT90/TC68/TC68S

Creation Date:

Update:

2010-09-16

2013-06-27

Sub Project:

GPRS Protocol

Page:

4 of 21

Revision:

V1.6

Confidential:

Internal Documentation

I. Command Format

1.1 GPRS Command Format

From server to tracker:

@@<package flag><L>,<IMEI>,<command>,<data><*checksum>\r\n

From tracker to server:

$$<package flag><L>,<IMEI>,<command>,<data><*checksum>\r\n

1.2 Device Data Format (General)

Note: It is for all models, except TC68.

$$<packageflag><L>,<IMEI>,<command>,<event

code>,<(-)yy.dddddd>,<(-)xxx.dddddd>,<yymmddHHMMSS>,<Z>,<N>,<G>,<Speed>,<Heading>,<HDOP>,<Altitude>

,<Journey>,<Runtime>,<Base ID>,<State>,<AD>,<RFID>/<Picture>/<Fence>/<Temperature Sensor Index

No..>,<Customize Data>,<Protocol Version>,<Fuel Percentage>,<Temperature Sensor Index No.1

Value|Temperature SensorIndex No.2 Value|……Temperature Sensor Index No.n Value><*checksum>\r\n

Note:

‘,’ is list separator in ASCII (0x2C);

Do not input ‘<’ and ‘>’ when writing a command;

All multi-byte data complies with the following sequence: High byte prior to low byte;

GPRS package (including data) flow is about 160 bytes.

Description of GPRS Data

Parameter Description Example

2 bytes. Header of the package from server to tracker. It is

in ASCII(0x40)

2 bytes. Header of the package from tracker to server, It is

in ASCII(0x24)

package flag

1 byte. In ASCII from 0x41 to 0x7A

Length from its following separator ‘,’ to the ending

character ‘\r\n’. It is decimal.

$$<package

flag><L>,<IMEI>,<command>,<data><*checksum>\r\n

IMEI

Tracker’s IMEI is normally 15 digitals.

353358017784062

command

Command code in Hex string. Please refer to the

Command List and Command Details below.

AAA

Code Event code. Decimal. 1

- 4 -

1 2 3 4 5 6 7 8 9 ... 44 45

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MeiTrack MT80i Manuel d'utilisateur Page 4

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