
CSE-M53G User Manual Ver. 1.0
Sollae Systems Co., Ltd.
- 37 -
⚫
Termination of online status
–
entering the AT command mode
Figure 5-9 Termination of online status
Points
States
~
Keeps TCP connection
①
CSE-M53G enters the AT command mode with receiving
“
+++
”
~
Keeps AC command mode
②
CSE-M53G terminates TCP connection with ATH command
~
Processes of TCP disconnection
③
TCP connection has been terminated
~
CSE-M53G sends
“
NO CARRIER
”
with disconnection
Table 5-13 states of each point
CSE-M53G changes the mode to AT command, when receiving
“
+++
”
and sending
“
OK
”
message. In this state, the communication with remote host is not possible because
CSE-M53G processes only AT command. Whenever you want to go back to online state
(TCP connection), use
“
ATO
”
command.
Refer to the [At Command(ATC) Mode] document on our website for details.