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Advanced
Advanced Serial Settings Tab
Overview
Advanced serial port settings apply to all serial ports.
Field Descriptions
Configure the following parameters:
Process Break
Signals
Enables/disables proprietary inband SSH break signal processing, the Telnet
break signal, and the out-of-band break signals for TruePort.
Default: Disabled
Flush Data Before
Closing Serial Port
When enabled, deletes any pending outbound data when a port is closed.
Default: Disabled
Deny Multiple
Network
Connections
Allows only one network connection at a time per a serial port. Application
accessing a serial port device across a network with get a connection (socket)
refused until:
z All data from previous connections on that serial port has drained
z There are no other connections
z Up to a 1 second interconnection poll timer has expired
Enabling this feature automatically enables a TCP keepalive mechanism which
is used to detect when a session has abnormally terminated. The keepalive is
sent after 3 minutes of network connection idle time.
Applications using this feature need to be aware that there can be some
considerable delay between a network disconnection and the port being
available for the next connection attempt, allowing any data sent on prior
connections to be transmitted out of the serial port. Application network retry
logic needs to accommodate this feature.
Default: Disabled