5.5.2 DC Power Supply (MP-124 Rev. D Only)
This section describes cabling of the MP-124 Rev. D 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 19).
Note: DC power supply is applicable only to the MP-124 Rev. D model.
To connect MP-124 Rev. D 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.
Figure 5-30: DC Terminal Block
2. Insert the DC terminal block into the DC inlet on the device's rear panel, and then
secure it to the device by fastening the two adaptor-to-panel screws located on the
terminal block.
Figure 5-31: Wired DC Power Terminal Block Connected to MP-124 Rev. D
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).
4. Connect the other end of the DC cable to a 48-VDC power supply.