CSE-M53N User Manual Ver. 2.5
Sollae Systems Co., Ltd.
- 41 -
http://www.ezTCP.com
Termination of online status – entering the AT command mode
Figure 5-9 Termination of online status
Points
States
~
Keeps TCP connection
①
CSE-M53N enters the AT command mode with receiving
“+++”
~
Keeps AC command mode
②
CSE-M53N terminates TCP connection with ATH command
~
Processes of TCP disconnection
③
TCP connection has been terminated
~
CSE-M53N sends “NO CARRIER” with disconnection
Table 5-13 states of each points
CSE-M53N 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-
M53N 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.