Users Manual

NPort W2150A/W2250A Series Web Console: Serial Port Settings
8-22
Flow control
Default RTS/CTS
Options None, RTS/CTS, XON/XOFF
Description This field specifies the type of flow control used by the serial port.
FIFO
Default Enable
Options Enable, Disable
Description This field specifies whether the serial port will use the built-in FIFO. A 128-byte FIFO is
provided to each serial port for both Tx and Rx directions. To prevent data loss during
serial communication, this should be set to Disabled if the attached serial device does not
have a FIFO.
Interface
Default RS-232
Options RS-232, RS-422, RS-485 2-wire, RS-485 4-wire
Description This field specifies the type of interface the serial port will use.
Data Buffering/Log
On the serial port’s Data Buffering/Log page, you can enable or disable Port buffering and Serial data
logging.
Port buffering
Default Disable
Options Enable, Disable
Description This field specifies whether the serial port will use port buffering when the network
connection (Ethernet or WLAN) is down. Port buffering can be used in Real COM mode,
TCP Server mode, TCP Client mode, and Pair Connection mode. For other modes, the port
buffering settings will have no effect.
Serial data logging(64K)
Default Disable
Options Enable, Disable
Description This field specifies whether data logs for the serial port will be stored on system RAM.
Each serial port is allotted 64 KB for data logging. The data log is not saved when the
NPort is powered off.