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Signal
Return
Pin
Pin
19-30
-
31
-
32
-
33
-
34
-
35
-
36
-
Note:
All
interface conditions are based on TTL level. Both
each signal must be less than 0.2 microseconds.
Data transfer
must be
signal. (Data
transfer
the ACKNLG signal or when the level of the BUSY signal is
column heading "Direction" refers to the direction of signal flow as
The
viewed from
the printer.
Return denotes the twisted-pair return to be connected at signal ground
level. For the interface wiring, be
signal and to
complete
The ACKNLG puke width varies.
Signal
Direction
GND
-
-
NC
ERROR
OUT
GND
-
-
NC
-
+5v
IN
SLCTIN
carried out by observing the ACKNLG or
to this printer can be carried out only after receipt
sure to
the connection on the return side.
Description
Twisted-pair return signal
ground level.
Not used
This signal level goes LOW
when the printer is:
1, Out of paper
2. In on error state
Some as for Pins 19-30
Not used
Pulled up to +5 V through
3.3
resistance.
Available only for
bidirectional use.
the rise and fall times
use a twisted-pair cable for each
Technical Specifications
of
BUSY
of
LOW.)
A-7
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