NPort W2150/2250 Plus Series User’s Manual Web Console: Serial Port Settings
7-8
Allow Driver Control
Default
Disable
Options
Disable, Enable
Description
This field specifies how the port will proceed if driver control commands are
received from multiple hosts that are connected to the port.
Disable: Driver control commands will be ignored.
Enable: Control commands will be accepted, with the most recent command
received taking precedence.
Connection Goes Down
Default
always high
Options
always low, always high
Description
This field specifies what happens to the RTS and DTR signals when the
Ethernet connection goes down. For some applications, serial devices need to
know the Ethernet link status through RTS or DTR signals sent through the
serial port.
Always low: The selected signal will change to low when the Ethernet
connection goes down.
Always high The selected signal will remain high when the Ethernet connection
goes down.
Packet Length
Default
0
Options
0 to 1024
Description
This field specifies the maximum amount of data that is allowed to accumulate
in the serial port buffer before sending.
0: Packet length is disregarded and data in the buffer will be sent as specified by
the delimiter settings or when the buffer is full.
1 to 1024: Data in the buffer will be sent as soon it reaches the specified length.
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