Chapter2 PCISerial Hardware Installation, Verification, and Configuration
SerialHardware and Software for Win dows 2-22 ni.com
General Port Settings
The following sections describe the options you can set in the General
PortSettings dialog b ox,sh own in Figure 2-11.
Figure2-11. GeneralPort Settings Dialog Box
COM Port Number
Youcan use the COM Port Number control to change the logical COMx
nameof the selectedport.
TransceiverMode
The Transceiver Mode list box shows the transceiver mode in use, and
applies only to PCI-485 boards. For more information about transceiver
modes, refer to Chapter 6, Using Your Serial Hardware.
FIFO Enabled
Youcan use the FIFO Enabled checkbox to enable or disable the
FIFObuffers onthe selected port. FIFO buffers are present on the
16550-compatible UARTs—one for the transmitter and one for the
receiver.