3.4.5.2 DC Power Supply
This section describes cabling of the MP-124 model for 48-VDC power supply.
MP-124 DC Safety Notice
When connecting MP-124 to a DC power supply, ensure that you adhere to
the following safety guidelines:
• Connect the device to a safety extra-low voltage (SELV) source that is
sufficiently isolated from the mains.
• Connect the device permanently to earth (ground) using the earthing
(grounding) stud located on its’ rear panel (see 'Grounding MP-124' on
page 26).
To connect MP-124 to a DC power supply:
1. Insert two 18 AWG wires into the supplied DC terminal block (ensure correct polarity),
and then fasten the two screws located directly above each wire block.
2. Insert the DC terminal block into the DC inlet on the MP-124 rear panel, and then
secure it to the device by fastening the two adaptor-to-panel screws located on the
terminal block.
Figure 3-14: Wired DC Power Terminal Block Connected to MP-124
Legend:
1. Two integral screws for wire connection to the DC terminal block.
2. Two integral screws for connecting the DC terminal block to the MP-124 DC inlet.
3. Two 18 AWG wires (positive and negative polarity).
3. Connect the other end of the DC cable to a 48-VDC power supply.
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