Queclink GV200 Spécifications télécharger pdf (Page 61)

GV200 @Track Air Interface Protocol

TRACGV200AN003 – 60 –

3.2.19. Transparent Data Transmission

The command AT+GTDAT is used to transfer data between the backend server and the equipment

connected to the second serial port of the device. Data to the backend server is wrapped into

message +RESP:GTDAT and sent to the backend server while data to the equipment is directly

output to the second serial port without the @Tracker protocol stuffing. All data is transparent to

the device.

 AT+GTDAT=

Example:

AT+GTDAT=gv200,0,,data to the backend server,,,,,0011$

AT+GTDAT=gv200,1,,data to the serial port,,,,,0011$

AT+GTDAT=gv200,2,,data to the backend server,,,,,0011$

Parameter

Length(byte)

Range/Format

Default

Password 4 – 6 '0' – '9' 'a' – 'z' 'A' – 'Z' gv200

Command Type 1 0|1|2

Reserved 0

Data <=100 ASCII Code

Reserved 0

Serial Number 4 0000 – FFFF

Tail Character 1 $ $

 <Command Type>: Command type to indicate which way to send the data.

 0: means to send message to the backend server with +RESP:GTDAT (Short Format).

 1: means to send the pure data directly to the second serial port.

 2: means to send message to the backend server with+RESP:GTDAT (Long Format).

 <Data>: Data to be transferred between the backend server and the equipment connected to

the second serial port of the device.

The acknowledgment message of AT+GTDAT command:

 +ACK:GTDAT,

Example:

+ACK:GTDAT,040100,135790246811220,,0011,20090214093254,11F0$

Queclink

Confidential

1 2 ... 56 57 58 59 60 61 62 63 64 65 66 ... 258 259

Pas de commentaire

Queclink GV200 Spécifications Page 61