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Heavy Duty Edge Switches Installation and User Guide(07/05)
47
3.7 LBHXXXA(E)-H and P Series, DC-powered,
12VDC, 24VDC and -48VDC Installation
This section describes the proper
connection of the -48VDC leads (or 24VDC,
12VDC leads) to the DC power terminal block
on the Black Box LBHXXXA(E)-H Edge Switch (as
shown in the Figure). The DC terminal block on
the Black Box LBHXXXA(E)-H is located on the left
side of the unit and is equipped with three (3) screw-down lead posts. The power terminals
are identified as positive (+) and negative (-), and they are floating inside the unit so that
either of the terminals may be grounded by the user if desired. The chassis is “earth” or
ground (GND). The connection procedure is straightforward. Simply insert the DC leads to