Black Box LBH240A Manual De Usuario
Black Box
®
Heavy Duty Edge Switches Installation and User Guide(07/05)
44
3.5 Powering the LBHXXXA(E)-H and LBHXXXA(E)-P (DC internal)
with 12V, 24V or –48VDC power input
Each Black Box LBHXXXA(E)-H/LBHXXXA(E)-P Series
is equipped with an internal DC power supply,
and has built-in screw terminals for secure
attachment of the power input leads. Three DC
power models support a range of power input
types. The three DC power input terminal block
choices are for use with 12VDC, 24VDC or -
48VDC power. Where an AC power adaptor is
used, DC is supplied via the jack. Power input from
the DC
terminal block and the jack and both may be connected simultaneously for power input
redundancy.