Configuration
4.15 Expansion Port (RS232)
When you mark the
Use DTR as control of TCP connection
check box, the router uses the
data terminal ready (DTR) single to control the TCP connection. The remote device sends a
DTR single to the router indicating that the remote device is ready for communications.
DTR
Description server
Description client
Active
The router allows the establishment of
TCP connections.
The router initiates a TCP connec-
tion.
Nonactive
The router denies the establishment of
TCP connections.
The router terminates the TCP con-
nection.
Table 62: DTR Signal Description
The changes in settings will apply after pressing the
Apply
button.
112
UM Configuration OWL LTE M12
Rel. 06.1.09 - 07/2019