-15-
VERSITRON
SF71060M & SF71060MP
Revision A3
14B
2.5 Applying Power
Pin Assignments of the terminal block connector
Vdc Positive (
) input terminal
Vdc Negative (
) input terminal
Vdc Positive (
) input terminal
Vdc Negative (
) input terminal
AR+
Alarm relay output positive (
) terminal
AR
Alarm relay output negative (
) terminal
Any of the Vdc+/Vdc- pairs can be used to receive DC power from an external power system. Or, one can be
used to deliver the power received to another switch in a daisy-chain application.
Vdc Input specifications
Applications
Power per PSE port
DC working voltage
General
-
+7V ~ +60VDC
PoE
15.4W max.
+45V ~ +57VDC (Typical 48V)
High power PoE (PoE+)
30W
max.
+45V ~ +57VDC (+52V up for
30W
)
WARNING: The -48VDC power supply is not supported.
Caution:
Do not apply direct DC IN power and PoE power at the same time.
Unplug DC IN when PoE power is connected.
Disconnect PoE power when DC IN is used.