NCR Realscan 7837 - RS-232 Handshaking

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RS-232 Handshaking
RS-232 handshaking is a set of rules concerning the exchange of data between
serially communicating devices.
Default = RTS/CTS, XON/XOFF and ACK/
NAK Off
RTS/CTS On
* XON/OFF Off
* RTS/CTS Off
XON/XOFF On
ACK/NAK On
* ACK/NAK Off