The present disclosure provides a nitrogen tire inflation and deflation system and associated usage methods. Certain steps of the process may be carried out in parallel. A frame buffer available notification is sent to the originating communications terminal in response to a determination that a number of unreserved segments available in the receive buffer after storing the received frame is larger than the maximum frame size, and a number of segments in the receive buffer equal to the maximum frame size are reserved. If the third transistor is not activated, the pre-driver logic provides the output signal. In at least several novel embodiments thereof, the system and method of the present invention are configured for use with wine-in-bag products.