NCR 7800, Руководство пользователя, Страница: 72 / 112

563DUDPHWHUV
8VHUV*XLGH
Offers six options:
•
RTS is always low, CTS is ignored (Hex 0 tag).
•
RTS is always high, CTS is ignored (Hex 1 tag).
•
NCR 7800 raises RTS and waits for CTS to go high
before transmitting (Hex 2 tag).
•
NCR 7800 raises RTS before transmitting and ignores the
state of CTS (Hex 3 tag).
•
RTS is always low and NCR 7800 waits for CTS to go
high before transmitting (Hex 4 tag).
•
RTS is always high and NCR 7800 waits for CTS to go
high before transmitting (Hex 5 tag).
When considering these, note that RTS can be controlled and
CTS can only be monitored. Scan the appropriate Hex 0
through Hex 5 tag to set the Handshake option. The default is
RTS High Wait For CTS.
Handshake