CIE-H14A User Manual Ver. 1.4
- 51 -
⚫
Termination of online status
–
entering the AT command mode
Figure 6-9 time chart
Time
States
~
TCP connection is on-line.
①
The mode is changed to
“
command mode
”
after receiving
“
+++
”
.
~
command mode (TCP connection is off-line)
②
CIE-H4A sends FIN segment right after the
“
ATH
”
arrives.
~
processes of TCP disconnection
③
TCP connection is terminated
~
CIE-H14A sends
“
NO CARRIER
”
with disconnection.
Table 6-13 states of each point
CIE-H14A changes the mode to AT command, when receiving
“
+++
”
. In this state, the
communication with remote host is unavailable because CIE-H14A processes only AT
commands. Whenever you want to go back to on-line state, just give
“
ATO
”
command.
