NCR 7800 - Handshake

563DUDPHWHUV
 8VHUV*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