Westermo GDW-11 - Manual (Page 266)

266 TCP SOCKET AUTOCONNECT Commands 6615-2220
it is preferable to configure the units in the TCP Autoconnect mode to send synchronisa-
tion data (ping) in a controlled way and not too often.
The PING synchronisation can also be disabled, in which case the units will not know if
the remote party is online or not before they continue with the higher layer protocol set
up.
Syntax:
AT*WTCPPINGSYNC=<mode>, <delay>, <idle>
Parameters:
<mode>
0: Disabled (default)
1: Enable ping synchronisation, the ping is sent out periodically each <delay> timeout
until a successful reply is received. (default: 0)
<delay>
1-255:
value in seconds, configures how long the ME will wait on a echo reply after an echo
request (ping) has been sent to remote ME. (default: 5 seconds)
<idle>
1-32767:
A time parameter that is used internally in the no-data-idle routine. The routine monitors
the active TCP link and
makes a PING re-synchronisation when no data has been detected on the link after
<idle> seconds. (default: 20)
Command example Possible responses Note
AT*WTCPPINGSYNC=1,5,20 OK Enable PING synchronisa-
tion. Configure delay to
5 seconds and idle factor
to 20
AT*WTCPPINGSYNC? *WTCPPINGSYNC: 1,5,20 Show current value
OK
AT*WTCPPINGSYNC=? *WTCPPINGSYNC:
(0,1),(1-255),(1-32767)
OK