Queclink GL200 Especificações descarregar pdf (Página 114)

GV300 @Track Air Interface Protocol

3.3.6. Transparent Data Transmission

The device supports to transparently transfer data between the backend server and the equipment

connected to its serial port. If the equipment needs to send data to the backend server, it can send

command AT+GTDAT with the data to the serial port. The device will then wrap the data into

+RESP:GTDAT message and send it to the backend server. On the other side, if the backend

server needs to send data to the equipment, it can send command AT+GTDAT with the data to the

device and the device will pick out the pure data and send it to the serial port. Thus the equipment

can get the data from the serial port. In both directions, the data is transparent to the device.

Data to the backend server

¾ +RESP:GTDAT,

Example:

+RESP:GTDAT,060100,135790246811220,,data to the backend server,20090214093254,11F0$

Parameter Length(byte) Range/Format Default

Protocol Version 6

XX0000 – XXFFFF,

X∈{'A' – 'Z','0' – '9'}

Unique ID 15 IMEI

Device Name <=10 '0' – '9' 'a' – 'z' 'A' – 'Z'

Data to the

Backend Server

<=100 ASCII Code

Send Time 14 YYYYMMDDHHMMSS

Count Number 4 0000 – FFFF

Tail Character 1 $ $

Data to the serial port starts with a new line and is terminated with ‘\r\n’.

Example:

data to the serial port

TRACGV300AN002 – 113 –

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Queclink GL200 Especificações Página 114