EPSON Expression 636
Electrical Specifications
Input voltage
100-120 VAC, f 10%
range:
Rated frequency:
to 60 Hz
50
Input frequency:
to 60.5 Hz
49.5
Rated current:
A
0.8
Power
Approx. 25 W (self-test mode without
consumption:
optional unit), 50 W maximum with
optional unit
Insulation
10 Ma between AC power line and
resistance:
chassis at 500 VDC
Environmental Conditions
Temperature:
Operation: 41" F to 95" F (5' C to 35" C)
Storage: -13" F to 140" F (-25" C to 60" C)
Humidity:
Operation: 10% to 80%, without
condensation
Storage: 10% to 85%, without
condensation
Operating
Ordinary office or home conditions.
conditions:
Extremely dusty conditions should be
avoided.
Operation under direct sunlight or near
a strong light source should be avoided.
Note:
Specifications are subject to change without notice.
Parallel Interface Specifications
Interface type:
Bidirectional parallel interface
Data format:
S-bit parallel
Synchronization:
By external strobe pulse
Handshaking:
By ACKNLG and BUSY signals
Logic level:
Input/output data and interface control
signals are TTL compatible
Connector type:
36-pin Centronics@ type connector
EPSON Expression 636-2
Connector pin
arrangement:
Pin assignments for
the bidirectional parallel
interface:
I Signal
I 19-30
I
.
GND
Ground
II
31
I
I
I
32
N C
33
GND
N C
36
DIR
I
SCSI Specifications
Interface type:
ANSI X3.131-1986 standard
Function:
BUS FREE phase
ARBITRATION phase
SELECTION/RESELECTION phase
COMMAND phase
(Logical Unit Number is fixed at 0
and command link function is not
supported.)
DATA phase
Data in phase
Data out phase
STATUS phase
MESSAGE phase
MESSAGE IN phase
MESSAGE OUT phase
ATTENTION condition
RESET condition
I
Scanner reset sianal. The oulse width
than 50 ps.
Not used
Ground
Not used
Direction
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