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Interface
specifications
Your printer is equipped with an
8-bit
parallel interface.
Specifications and pin assignments
The built-in parallel interface has the following characteristics:
Data format:
&bit
parallel
Synchronization:
STROBE pulse
Handshake timing
BUSY and ACKNLG signals
Signal level:
TTL
compatible
Connector:
36-pin
57-30360
Amphenol connector or
equivalent
The table below provides the connector pin assignments and describes
their respective interface signals.
Signal
Pln
1
2
20
DATA 1
3
21
DATA 2
4 22
DATA 3
5 23
DATA 4
6 24
DATA 5
7
25
DATA 6
8
26
DATA 7
9
27
DATA 8
10
28 ACKNLG
Return
Pin
19
Signal
STROBE
Direction
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
Descrbtton
STROBE
pulse
to read data.
Pulse
width
must be more
than 0.5
us
at the
receiving
terminal.
These
signals
represent
information in bits 1 to 8 of
parallel
data respectively.
Each
signal
Isat
HIGH level
when data
is
logical 1 and
LOW when it is logical
0.
-
About an
11q.s
pulse. LOW
Indicates
that data has been
received and that the printer
is ready to accept more
data.
A-8 Appendix