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Interface Specifications
The printer has the following resident interfaces:
• Parallel
• RS-232C/RS-422 serial
Parallel interface
Your printer is equipped with an 8-bit parallel interface.
Parallel interface pin assignments
The parallel interface connector pin assignments and a description
of the interface signals are shown in the table below.
Signal Return
Pin Pin
Signal
Direction
Description
1
19
STROBE IN
The STROBE pulse to read data in. Pulse
width must be more than 0.5
microseconds at the receiving terminal.
2
20
DATA 1 IN
These signals represent information of
3 21
DATA 2 IN the 1st to 8th bits of parallel data,
4
22
DATA 3 IN respectively. Each signal is at HIGH level
5
23
DATA 4 IN when data is logical 1 and at LOW level
6
24
DATA 5 IN when it is logical 0.
7
25
DATA 6 IN
8
26
DATA 7 IN
9
27
DATA 8 IN
10
28
ACKNLG OUT
About a IO-microsecond pulse. LOW
indicates that data has been received
and that the printer is ready to accept
more data. This signal is output as a pair
with BUSY.
Technical Specifications 8-9