USB
power
Some
4820
SurePoint
Solution
models
offering
USB
connections
can
be
powered
from
the
POW
terminal
(see
“Power
usage”
on
page
9).
The
powered
USB
cable
provides
approximately
12V
dc.
If
your
4820
SurePoint
Solution
is
powered
by
a
USB
cable,
test
the
pin
voltages
to
verify
that
they
are
correct.
Table
13
lists
the
pinouts
for
the
USB
connector
and
the
acceptable
voltages
for
the
power
provided
by
the
cable.
Table
13.
Powered
USB
connector
pinouts
Pin
(see
Figure
60)
Voltage
(dc)
1
+4.75
to
+5.25
2,
3
Data
4,
5
Ground
6
+10.8
to
+12.6
Figure
60.
Powered
USB
connector
and
pin
numbers
Update
November
2005
80
4820
Planning,
Installation
and
Service
Guide
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Страница 126: ... Part Number 66P0410 Update November 2005 Printed in USA GA27 4231 07 1P P N 66P0410 ...