C – 2
Parallel Interfacing
The printer requires a Centronics-equivalent parallel cable with the following:
● Amphenol 57-30360 or AMP 552274-1 plug (or equivalent) with 36 pins
● AMP 552073-1 (or equivalent) cover
● Beldon (or equivalent) SHIELDED cable with twisted pair conductors. The cable
should not exceed 1.8 metres in length and must be UL and CSA approved. The
cable MUST be shielded.
Pin Description
Pin No Signal Name Direction Description
1 DATASTROBE To printer. When the signal changes from low
to high level, input data is sampled.
2 DATABIT 1 To printer. Input data lines. The high level
represents 1, and the low level
3 DATABIT 2 represents 0.
4 DATABIT 3
5 DATABIT 4
6 DATABIT 5
7 DATABIT 6
8 DATABIT 7
9 DATABIT 8
10 ACKNOWLEDGE From printer. The low level of this signal indicates
completion of data input or function
operation.
11 Busy From printer. The high level of the signal indicates
that the printer cannot receive data.
The low level of the signal indicates
that the printer is ready for receiving
data.
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