Epson T-750 User Manual - Page 144

Environment, Parallel Interface, Signal, Return, Direc, Description

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Environment Temperature Operation: 40°F to 95°F (5C° to 35C°) Storage: -25°F to 150°F (-30C° to 65C°) Humidity Operation: 10% to 80% without condensation Storage: 5% to 85% without condensation Shock Operation: Up to 1 G within 1ms Storage: Up to 2 G within 1ms Vibration Operation: Up to 0.25 G at up to 55Hz Storage: Up to 0.5 G at up to 55Hz Parallel Interface Connector pin assignments and a description of respective interface signals are shown in Table E-l. Table E-l. Pins and signals Signal Pin Return Pin Signal 1 1 9 STROBE 2 2 0 DATA 1 3 21 DATA 2 4 2 2 DATA 3 5 23 DATA 4 6 24 DATA 5 7 2 5 DATA 6 8 26 DATA 7 9 27 DATA 8 10 2 8 ACKNLG Dtiiroenc- Description I N STROBE pulse to read data in. Pulse width must be more than 0.5 microseconds at the receiving terminal. I N These signals represent information of I N the 1st to 8th bits of parallel data, I N respectively Each signal is at HIGH I N level when data is logical 1 and LOW I N when it is logical 0. IN IN IN Text Approximately, 12-microsecond pulse. LOW indicates that data has been received and that the printer is ready to accept more data. Technical Specifications E-3 1

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Environment
Temperature
Operation: 40°F to 95°F (5C° to 35C°)
Storage: -25°F to 150°F (-30C° to 65C°)
Humidity
Operation: 10% to 80% without condensation
Storage: 5% to 85% without condensation
Shock
Operation: Up to 1 G within 1ms
Storage: Up to 2 G within 1ms
Vibration
Operation: Up to 0.25 G at up to 55Hz
Storage: Up to 0.5 G at up to 55Hz
Parallel Interface
Connector pin assignments and a description of respective interface
signals are shown in Table E-l.
Table E-l. Pins and signals
Signal
Return
Pin
Pin
Signal
Direc-
tion
1
19
STROBE
IN
2
20
DATA 1
IN
3
21
DATA 2
IN
4
22
DATA 3
IN
5
23
DATA 4
IN
6
24
DATA 5
IN
7
25
DATA 6
IN
8
26
DATA 7
IN
9
27
DATA 8
IN
10
28
ACKNLG
Text
Description
STROBE pulse to read data in. Pulse
width must be more than 0.5
microseconds at the receiving
terminal.
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 it is logical 0.
Approximately, 12-microsecond pulse.
LOW indicates that data has been
received and that the printer is ready
to accept more data.
Technical Specifications
E-3 1