3. Verify that the ground wire is attached to the power supply.
See Connect the Ground Wire to an 750 W DC Power Supply on page 359.
4. Insert a screwdriver into both slots on the top of the terminal connector and loosen the screws
enough to accommodate a stripped power input cable.
5. Insert the DC power cables into the connector.
a. Slide the end of the positive wire (–48 V RTN) into the positive terminal (labeled +, on the left
side of the connector).
b. Tighten the screw on the top of the positive terminal connector to between 4.4 in‑lb (0.50 N m)
and 7.1 in‑lb (0.8 N m).
Figure 301: Inserting the DC Power Cables into the Connector
c. Slide the end of the negative wire (–48 V) into the negative terminal (labeled –, on the right side
of the connector).
d. Tighten the screw on the top of the negative terminal connector to between 4.4 in‑lb (0.50 N m)
and 7.1 in‑lb (0.8 N m).
Replacing DC Power Supplies
Connect DC Power Cables to an 750 W DC Power
Supply
ExtremeSwitching Hardware Installation Guide 361
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