Pin
Function
Description
When the attached device does provide this signal, it must
set CTS to MARK to allow the controller to transmit data.
8
RTS (Output) This pin is a MARK if full-duplex operation is selected for the
port.
This pin is set to a MARK just before and during
transmission of data if half-duplex operation is selected.
This pin is set to a SPACE when no data is being
transmitted.
The LED is ON for a MARK level.
SCADAPack 350 Hardware Manual
February 14, 2007
31