Connecting -48V DC Power Supplies

The GigaVUE‑HC2 is available with DC power supplies. This section provides instructions for connecting a -48V DC power source to the DC power supplies.

To connect a -48V DC input to the screw terminal DC power supply:

1.   Remove the safety cover from the power terminals.
2. Connect the power supply ground terminal () to earth ground.

1 DC Power Module
3. Connect the positive and negative power cables to the screw terminals using a Phillips screwdriver.
o   The top connector on the DC power supply is the 0V connector.
o   The bottom connector on the DC power supply is the -48V connector.
4. Replace the safety cover over the power terminals.
5. Connect the neutral and negative power cables to the DC power source as follows:
o   Connect the neutral wire to the 0V (RTN) connector on the DC power source.
o   Connect the negative wire to the -48V connector on the DC power source.

Important: As shown in 1, the leads to the DC power supplies on the GigaVUE‑HC2 node should attach from the side of the chassis away from the terminal block. Run the wires to avoid obstructing airflow for the adjacent fans.

6. Repeat Step 2 through Step 5 for the other power supply in the GigaVUE‑HC2 chassis:
o   GigaVUE‑HC2 – Two DC power supplies