2. INTERFACES
FT190S
2 - 2
The diagrams below give sample connections between the printer and Per-
sonal Computer using a 25- and 9-pin female connector.
(Tab.2.1)
(Fig.2.2)
(Fig.2.3)
PIN
SIGNAL
DIRECTION
DESCRIPTION
20
DTR
Output
When the DTR/DSR command is selected
this signal indicates when the printer is busy.
SPACE indicates that the printer is ready to
receive data and MARK that the printer is
busy.
23
GND
-
Ground
24
GND
-
Ground
25
GND
-
Ground