-When RTS/CTS flow control is in operation the operating system or the hardware
-de-asserts RTS when its buffer becomes full causing (via the DCEs or the null
-modem cable) a de-assertion of remote CTS which causes the remote to cease transmission.
+When RTS/CTS flow control is in operation and the receive buffer becomes full,
+the operating system, or the hardware, de-asserts RTS, causing (via the DCEs or
+the null modem cable) a de-assertion of remote CTS which in turn causes the
+remote DTE to cease transmission.