USR-K1 User Manual www.usriot.com
Jinan USR IOT Technology Limited 20 / 29 tec@usr.cn
5.2 Link
The Link pins for the module to establish a communication connection status indicates pin, establish the
communication Link pin will output low level, no connection is established, output high level.
"Link" for external Link instructions .
Set the software interface:
Diagram5-3
Link
Don
’t select it by default
5.3 Reset
When the module as a TCP Client-side, the module will take the initiative to connect TCP SERVER. When
the Reset function, the module tries to connect to TCP Server-side 30 times, still unable to establish a
connection, the module will automatically restart.
Set the software interface:
Diagram5-3
Link
Don
’t select it by default
5.4 ID
Module as TCP Client-side ID function for TCP Server-side distinguish between data sources, to achieve the
establishment of the connection or data communication process device ID will also be sent, the module ID
number is set to decimal, range 0 - 65535, requires the receiving end HEX format.
1.Select "Connect" to establish a communication connection, TCP Server-side will receive the corresponding
TCP Client-side ID (ID Description: The first four shows for the ID number, the last four digits of the display ID
negated to authentication).
