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Signal
Pin
Return
Pin
Signal
Parallel
Cable
Pin
DescriptionDirection
IN
31
INIT
16
Defined to reset
and dear the
printer when LOW;
THE RESET AND
CLEAR ARE NOT
SUPPORTED BY
THE C62314*, As
the IBM host
cannot be interrupt-
ed by this signal.
An ACKNLG is
generated for hand-
shaking.
This signal goes
LOW when the pri-
nter is in an error
state such as out of
paper.
Logic ground
32
ERROR
15
OUT
33
GND
25
34 NC
Not used
35 HIGH
Pulled up to +5V
through a 3.3K
ohm resistance
17
NOT SUPPORTED
SLCTIN36
NOTE:
The mini-parallel connector is a DDK type DHA-36 or equivalent.
The column heading ‘DIRECTION’ refers to the direction of signal flow as
viewed from the C82314* interface.
‘RETURN’ denotes the twisted-pair return, to be connected at signal ground
level. For the interlace wiring, be sure to use twisted-pair cable for each signal
and to complete the connection on the return side. The cable should be
shielded and connected to the chassis of the host computer and printer.
All interface conditions as based on TTL levels. Both the rise and the fall times
of each signal must be less than 0.2 microseconds.
12