
C–6
MULTILINK ML810 MANAGED EDGE SWITCH – INSTRUCTION MANUAL
INSTALLATION
CHAPTER C: INTERNAL DC DUAL-SOURCE POWER INPUT OPTION
C.5
Installation
This section describes the proper connection of the -48VDC, 12VDC and 24VDC dual source
leads to the power terminal block on the Multilink ML810 Switch (shown in Figure above)
The terminal block is located on the left front of the unit next to the Alarm terminal block
and is equipped with four (4) screw-down lead posts. The primary terminals are identified
as positive (A+), negative (A-), and the secondary power terminals as negative (B-), positive
(B+). The chassis is earth/ground (GND).
The connections for 125 and 250VDC are made by a fixed cord exiting the ML810 unit. (see
Sec. B4.0 for details).
NOTE
Note
The GND should be hooked up first. The ML810 unit has a floating ground, so the user may
elect to Ground or - terminal to suit the customer’s use. Before connecting live
power lines to the terminal block, always use a digital voltmeter to measure the output
voltage of the power supply and determine the lead which is more “+ve potential”. The
more “+ve” voltage lead from a +ve or –ve power supply must be connected to the post
labeled “+”.
The connection procedure is straightforward. Simply connect the DC leads to the Switch’s
power terminals, positive (+) and negative (-) screws. The use of Ground (GND) is optional; it
connects to the Switch chassis. Ensure that each lead is securely tightened.
Содержание MultiLink ML810
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