HP R1500 G3 UPS User Guide
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HP R5000 Uninterruptible Power Systems
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Specifications
37
Pin number
Signal name
Function
Direction from
the UPS
5
GND
Signal common (
tied to chassis
)
—
6
DSR
To external d
evice (tied to Pin
4)
Out
7
—
No connection
—
8
AC fail
AC fail relay c
ontact; 20 mA, 30 Vdc
contact
rating
Out
9
—
No connection
—
1
...
...
35
36
37
38
39
...
...
51
