The terminal box has four slots for four power terminals (ordered as negative [-], positive [+], positive [+],
and negative [-]). Each terminal has two nuts that you use to fasten a power cable to the terminal.
Note
d) Remove the two nuts from each terminal post in each slot of the terminal box.
e) Place each of the lugs for the two positive cables on the terminal posts for the positive slots (two middle slots) of the
terminal box and fasten each lug using two nuts tightened to 40 in-lb (4.5 N·m) of torque.
f) Place each of the lugs for the two negative cables on the terminal posts for the negative slots (two side slots) of the
terminal box and fasten each lug using two nuts tightened to 40 in-lb (4.5 N·m) of torque.
g) Replace the safety cover on the terminal box and fasten it in place using its three screws.
h) Connect the other ends of the power cables to the two DC power circuits.
Be sure that the positive and negative cables attached to one side of the power supply are attached to the same DC
power source circuit (with the negative cable attached to a negative terminal and with the positive cable attached to
a positive terminal).
Step 3
Power up the power supply as follows:
a) Turn on the power source circuit breaker for both input lines.
Verify that the Input 1 (IN1) and Input 2 (IN2) LEDs light up on the power supply.
b) Turn the power switch on the power supply to ON (labeled 1 on the power supply).
The LEDs should flash and then the OK LED should turn on (green) in addition to the Input LEDs.
What to Do Next
You are ready to connect the switch to the network.
Cisco Nexus 9508 NX-OS Mode Switch Hardware Installation Guide
37
Installing a Chassis
Connecting a 3-kW DC Power Supply to a DC Power Source
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