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5.2.1.1 Switch to Configuration Mode
Two steps to finish switching from transparent transmission mode to configuration mode.
� � � �
UART
UART
UART
UART input
input
input
input " " " " +++
� � � �
UART
UART
UART input
UART
input
input
input " " " " a a a a " " " " , , , , after
instruction
instruction
instruction
instruction set
set configuration
set
set
Notes:
Notes:
Notes:
Notes:
1. When user input "+++" (No "Enter" key required), the UART port will display feedback
information "a", and not display input information"+++" as above UART display.
2. Any other input or wro ng step to UART port will cause the module still works as original mode
(transparent transmission).
5.2.2 AT+ Instruction Set Overview
User can input AT+ Instruction through hyper terminal or other serial debug terminal, also can
program the AT+ Instruction to script. User can also input "AT+H" to list all AT+ Instruction and
description to start.
Jinan USR IOT Technology Limited
USR-WIFI232-A/B/C User Manual
+++
+++
+++" " " " , , , , after
after module
after
after
module
module
module receive
receive
receive
receive " " " " +++
after module
after
after
module
module
module receive
receive
receive
receive " " " " a a a a " " " " and
configuration mode.
configuration
configuration
mode.
mode.
mode.
Figure 45
Switch
Switch
Switch
Switch to to to to Configuration
Page 51 of 93
+++
+++
+++" " " " , , , , and
and feedback
and
and
feedback
feedback " " " " a a a a " " " " as
feedback
and feedback
and
and
feedback
feedback " " " " +ok
feedback
Configuration
Configuration
Configuration Mode
Mode
Mode
Mode
http://www.usriot.com
as
as confirmation.
as
confirmation.
confirmation.
confirmation.
+ok
+ok" " " " to to to to go
+ok
go
go into
go
into
into AT+
into
AT+
AT+
AT+
tec@usr.cn
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