Specifies the current wire/transceiver mode. For RS485 hardware, this property is valid only with the RS485 serial driver developed by National Instruments. For RS232 hardware, the values RS232/DCE and RS232/Auto are valid only with RS232 serial drivers developed by National Instruments and documented to support this feature with the corresponding National Instruments hardware. When this feature is not supported, RS232/DTE is the only valid value.

Remarks

The following table lists the characteristics of this property.

Short Name Wire Mode
Data type ci16.png
Permissions Read/Write
Available in Run-Time Engine Yes
Available in Real-Time Operating System Yes
Unknown -1
RS485/Wire4 0
RS485/Wire2-EchoDTR 1
RS485/Wire2-CtrlDTR 2
RS485/Wire2-Auto 3
RS232/DTE 128
RS232/DCE 129
RS232/Auto 130