Connecting the switch to a –48 VDC power source

	CAUTION: You can only use an HPE DC power cord to connect the switch to a –48 VDC power source. The power cord color code scheme in Figure 23 is for illustration only. The cable delivered for your country or region might use a different color scheme. When you connect a power cord, always identify the polarity symbol on its wires.

To connect the switch to a –48 VDC power source:

1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.

2. Insert the DC connector into the DC power receptacle. See callout 1 in Figure 23.

   The connector of the DC power cord and the DC power receptacle are foolproof. Make sure the connector is correctly oriented.

3. Use a flat-blade screwdriver to fasten the two screws on the DC plug to secure the plug to the DC receptacle. See callout 2 in Figure 23.

4. Connect the other ends of the wires to the –48 VDC power source wiring terminals, with the negative wire (– or L–) to the negative terminal (–) and the positive wire (+ or M/N) to the positive terminal (+).