Chapter 2
Installing the Device
RUGGEDCOM RX1501
Installation Guide
12 Connecting Low DC Power
Section 2.2.3
Connecting Low DC Power
To connect a low DC power supply to the device, do the following:
CAUTION!
Electrical hazard – risk of damage to equipment. Do not connect AC power cables to a 12, 24 or 48
VDC power supply terminal block. Damage to the power supply may occur.
IMPORTANT!
When connecting the device to a DC power source, make sure the source provides only positive
voltage.
NOTE
The screw-type terminal block is installed using Phillips screws and compression plates, allowing either
bare wire connections or crimped terminal lugs. Use #6 size ring lugs for secure, reliable connections.
1. Connect the positive wire from the power source to the positive (+) terminal on the terminal block.
Figure 9: DC Terminal Block Wiring
1. Pluggable Terminal Block for HI, 24P and 48P Power Supplies 2. Screw-Type Terminal Block for HIP, 24 and 48 Power Supplies
3. Positive (+) Terminal 4. Negative (-) Terminal 5. Ground Terminal
2. Connect the negative wire from the power source to the negative (-) terminal on the terminal block.
3. Using a braided wire or other appropriate grounding wire, connect the ground terminal to the chassis
ground connection. The surge ground terminal is used as the ground conductor for all surge and transient
suppression circuitry internal to the unit.
4. Connect the ground terminal on the power source to the chassis ground terminal on the device. For more
information, refer to Section 2.4, “Grounding the Device”.
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