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Power
Supply
Power
Requirements
•
105
-
130
VAC,
60
Hz
• 240 VAC, 50
Hz
(Australian)
•
220 VAC, 50
Hz
(European)
•
Grounded
outlet
Maximum
Current Drain
•
2.0
Amps
Typical Current Drain
•
1.5
Amps
Warm-Up
Period
Minimum
Delay
To
Turn
System
On
After
Turning
Off
—
15
seconds
Operating
Temperature
• 55
to
85 degrees
Fahrenheit
• 13
to
29 degrees Centigrade
Peripheral Interfaces
Standard
•
Serial
port
A
(RS-232C)
•
Serial
port
B
(RS-232C)
•
Parallel
input/output
channel,
for
connection
to
TRS-80
standard
parallel
interface
line
printers
• Floppy
diskette input/output
channel
for
connection
of
a floppy
diskette
expansion
unit
• Hard
Disk Drive
Interface
Optional
•
ARC
NET
Interface
• Graphics
Board
Serial Interface
Two
Ports:
•
Channel
A
allows
asynchronous
or
synchronous
transmission.
• Channel B
allows
asynchronous
transmission
only.
•
Both
conform
to
the
RS-232C
standard.
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