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4.2.2
Physical
The
physical
specifications
characteristics, interface
electrical
assignment
specifications.
(1)
Electrical
Signal levels must be within the following ranges:
Low level
High level
Note:
The signal levels above are at the interface conn#ector.
Incorrect signals may be sent in power-on and pow,er-off.
The interface signal driver and receiver must be the same as those shown
in Figure 4.5.
. Driver
. Receiver
Figure
Interface cable
Twisted pair cables with a shield must be used for the :interface cable.
The cable length must be 50 feet (15 m) or less.
4 - 6
specifications
of
of
characteristics
0.0 to +4.0 v
equivalent
I
4.5
DPC-compatible
interface
signals
DPC-compatible
interface
cable
specifications,
-
interface
signal
signals
consist
and
connector
driver
and
receiver
of
pin
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