Hi-Link HLK-RM04 Benutzerhandbuch - Seite 9
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Network
Protocol：Use tcp or udp Protocol
Network Timeout：Under the server network mode, no data transmis
th
e connection will be disconnected. 0 specifies never disconnected.
6
Serial AT command configuratio
6.1
Access to AT command mode
Module in network fault, such as fault allocation situation will automatically exit the
transparent transmission mode, enter AT instruction mode. In any condition, keep ES/RST feet low
level of time
but more than Tes and less than Trst, the module will enter AT instruction mode
immediately.
ES/RST
6.2
AT Command
In AT mode, you can configu
Instruction format is as follows:
At+[command]=[value]\r
According to the different command, module will return a different return value.
For example： "at+remoteip=192.168.11.133\n" set remote ip addre
Fo
r example："at+remoteip=？\n" Inquiry remote ip address.
At command is as follows：
remoteip
remoteport
n
>Tes
<Trst
rate the system parameters through the serial port AT instruction.
ver
sion within the timeout period,
t
AT Command
The version of module
Remote server domain name or IP address
The local or distal port number
ss as 192.168.11.133.