Epson MX-82 Manuale Utente
APPENDIX 2 Parallel Interface
Both the MX-82 and MX-82 F/T include a parallel interface as the standard equip-
ment, and this paragraph describes the parallel interface.
(1) Specifications
(a) Data transfer rate:
1000 CPS (min.)
(b) Synchronization:
By externally supplied STROBE pulses.
(c) Handshaking:
By ACKNLG or BUSY signal.
(d) Logic level:
Input data and all interface control signals are compa-
tible with the TTL level.
(2) Connector
Plug: 57-30360 (AMPHENOL)
It is recommended that interface cables be kept as short as possible.
It is recommended that interface cables be kept as short as possible.
(3) Connector pin assignment and descriptions of signals.
Connector pin assignment and descriptions of respective interface signals are
provided in Table A2-1.
Table A2-1 Connector Pin Assignment and Descriptions of Interface Signals
These signals represent information of the
1st to 8th bits of parallel data respectively.
Each signal is at “HIGH” level when data
is logical “1” and “LOW’ when logical
is logical “1” and “LOW’ when logical
Approx.
pulse. “LOW” indicates that
data has been received and that the printer
is ready to accept other data.
A “HIGH” signal indicates that the printer
cannot receive data. The signal becomes
cannot receive data. The signal becomes
“HIGH” in the following cases:
1. During data entry
2. During printing operation
3. In OFF-LINE state
4. During printer error status.
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A “HIGH” signal indicates that the printer
is out of paper.
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