OnCell G3100 Series Configuring Serial Port Operation Modes
Reverse Real COM Mode
TCP alive check time (default=7 min): This field specifies how long the OnCell G3100 will wait for a
response to “keep alive” packets before closing the TCP connection. The OnCell G3100 checks the connection
status by sending periodic “keep alive” packets. If the remote host does not respond to the packet within the
time specified in this field, the OnCell G3100 will force the existing TCP connection to close. For socket and
device control modes, the OnCell G3100 will listen for another TCP connection from another host after closing
the connection. If TCP alive check time is set to 0, the TCP connection will remain open and will not send any
“keep alive” packets.
Ignore jammed IP (default=Disable): This option determines how the port will proceed if multiple hosts
are connected and one or more of the hosts stops responding as the port is transmitting data. If you select
Disable, the port will wait until the data has been transmitted successfully to all hosts before transmitting the
next group of data. If you select Enable, the port will ignore the host that stopped responding and continue
data transmission to the other hosts.
Allow driver control (default=Disable): This option determines how the port will proceed if driver control
commands are received from multiple hosts that are connected to the port. If Disable is selected, driver
control commands will be ignored. If Enable is selected, control commands will be accepted, with the most
recent command received taking precedence.
Secure (default=No): If you select Yes, data sent through the Ethernet will be encrypted with SSL.
ATTENTION
If your OnCell G3100 serial port is in Reverse Real COM mode and
is configured
for SSL encryption, make sure
the
OnCell COM driver is configured the same way. Please refer to Chapter 14, Software
Installation/Configuration
, for more information.
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