Step 7
For the powered down circuits connected to the power supplies, turn on the power at the circuit breaker. The Input 1
(IN1) and Input 2 (IN2) LEDs turn on each connected power supply.
Step 8
Turn on the power supply by setting the power switch to 1. The LEDs should flash and then the Output LED should turn
on in addition to the Input LEDs.
If the FAULT LED is lit or flashing, call Cisco TAC for assistance.
What to do next
You are ready to connect the switch to the network.
Connecting a 3.5-kW HVAC/HVDC Power Supply to DC Power Sources
You use one power cord to connect a 3.5-kW HVAC/HVDC power supply to its DC power source and to
ground the power supply. Depending on the power mode that you use for the switch, you either connect all
of the power supplies to one DC power source or you connect half of the power supplies to one DC power
source and the other half to another DC power source.
Before you begin
Before you connect power supplies to one or two power sources, ensure all of the following:
• The power supply is already installed in the chassis.
• A DC power source is within reach of power cables that will be attached to the power supplies.
• Power cables are available to connect each HVAC/HVDC power supply to the DC power source.
Step 1
Ensure that the power supply switch located on the front of the power supply is set at standby (labeled as 0).
Step 2
Plug the DC power cable into the power supply. The built-in latch secures the power cable to the power supply. You can
disconnect the power cable from the power supply by pressing the release button on the power cable.
Step 3
Plug or connect the other end of the power cable into a DC power source supplied by the data center.
Connect the power supply to the appropriate polarity and ground as indicated on the power cable plug or as
marked on the ring lug cable.
Note
Take care when connecting units to the supply circuit so that wiring is not overloaded.
Warning
Statement 1018
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the
protective device is rated not greater than:
Warning
250V, 20 A
Statement 1005
Step 4
Turn the power supply switch from standby to on (from 0 to 1 as labeled on the power switch).
Cisco Nexus 7706 Hardware Installation Guide
111
OL-31330-01
Installing or Replacing Modules, Fan Trays, and Power Supplies
Connecting a 3.5-kW HVAC/HVDC Power Supply to DC Power Sources
Содержание Nexus 7706
Страница 8: ...Cisco Nexus 7706 Hardware Installation Guide OL 31330 01 viii Contents ...
Страница 26: ...Cisco Nexus 7706 Hardware Installation Guide OL 31330 01 14 Preparing the Site Clearance Requirements ...
Страница 170: ...Cisco Nexus 7706 Hardware Installation Guide OL 31330 01 158 Switch Specifications Switch Specifications ...
Страница 178: ...Cisco Nexus 7706 Hardware Installation Guide OL 31330 01 166 LEDs Power Supply LEDs ...
Страница 190: ...Cisco Nexus 7706 Hardware Installation Guide OL 31330 01 IN 4 INDEX ...