Epson C117001-N User Manual - Page 201

Interface Specifications, Parallel interface - dfx specifications

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Interface Specifications The DFX-5000 is equipped with both a parallel and a serial interface. WARNING: Do not plug in the built-in parallel interface cable and an optional interface cable at the same time because this may damage your printer. However, simultaneous attachment of the built-in serial interface cable is possible with either built-in parallel or any optional interface cable, but not both. Parallel interface Connector pin assignments and a description of their respective interface signals are shown in the table on the following pages. Signal Pin 1 Return Pin Signal 19 STROBE 2 20 DATA 1 3 DATA 2 4 :: DATA 3 5 23 DATA 4 6 2 DATA 5 7 DATA 6 8 26 DATA 7 9 27 DATA 8 10 28 ACKNLG Direc- tion Description IN STROBE pulse to read data in. Pulse width must be more than 0.5 microseconds at the receiving terminal IN These signals represent information of IN the 1st to 8th bits of parallel data, IN respectively, Each signal IS at HIGH level IN when data is logical 1 and LOW when II I S IN logical 0. I: IN OUT About a 12-microsecond pulse. LOW indicates that data has been received and that the printer IS ready to accept more data. Technical Specifications B-7

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Interface Specifications
The DFX-5000 is equipped with both a parallel and a serial
interface.
WARNING: Do not plug in the built-in parallel interface
cable and an optional interface cable at the same time
because this may damage your printer.
However,
simultaneous attachment of the built-in serial interface
cable is possible with either built-in parallel or any
optional interface cable, but not both.
Parallel interface
Connector pin assignments and a description of their respective
interface signals are shown in the table on the following pages.
Signal
Return
Direc-
Pin
Pin
Signal
tion
Description
1
19 STROBE
IN
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
::
DATA 2
IN
the 1st to 8th bits of parallel data,
4
DATA 3
IN
respectively, Each signal
IS
at HIGH level
5
23
DATA
4
IN
when data is logical 1 and LOW when
II
IS
6
DATA
5
IN
logical 0.
7
2
DATA
6
8
26
DATA
7
I:
9
27
DATA 8
IN
10
28
ACKNLG
OUT
About a 12-microsecond pulse. LOW
indicates that data has been received
and that the printer
IS
ready to accept
more data.
Technical Specifications B-7