Remote Management Application; Transparent Serial Port Application - Jinan USR IOT Technology WIFI232-A User Manual

For this wireless control application, USR-WIFI232-A/B/C works as AP mode. Module's serial port
connects to user device. So, control agent (Smart phone for this example) can manage and control the
user device through the wireless connection with USR-WIFI232-A/B/C module.

6.2.2 Remote Management Application

U A R T
U s e r
Device
U A R T
U s e r
Device
For this remote management application, USR-WIFI232-A/B/C works as STA mode and connects to
Internet through wireless AP. Module configured as TCP Client and communicates with remote TCP
server at Internet. Module's serial port connects to user device.
So, user device's data or sampling information can send to remote TCP server for storage or
processing. Also remote TCP server can send command to control and manage the user device
through the wireless network.

6.2.3 Transparent Serial Port Application

For this transparent serial port application, two USR-WIFI232-A/B/C modules connect as below figures
to build up a transparent serial port connection.
Jinan USR IOT Technology Limited
USR-WIFI232-A/B/C User Manual
Figure 54
Wireless
Wireless Wireless Control Wireless
S T A
U S R-W I F I2 3 2-
A/B/C
S T A
U S R-W I F I2 3 2-
A/B/C
Figure 55
Remote Remote
Remote Remote Management
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