Appendix E/ Specifications - Radio Shack TRS-80 Operation Manual

Appendix
E/
Specifications
Physical
Weight
1.68
lbs.
(.763
Kg.)
Measurements
Width:
6.5" (16.51
cm)
Height:
2.38" (6.05
cm.)
Length: 7.5"
(19.05
cm.)
Environmental
s
Temperature and Humidity
Range 41° F
(5
C)
to
104° F
(40° C)
Power
Requirements
11
VAC
@
at
600mA, 60Hz
Parallel Interface Signals
and
Levels
The PTC-64
includes
a parallel
interface designed
for
connection
to a line printer via the
34-pin connector on
the
back
panel of
the unit.
Eight data
bits are
output
in parallel
and
five input
bits
are status indicators. All levels are
TTL
compatible.
The
connector
pin-outs
and
signals available are
listed
on
the
next page.
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