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Installing the Chassis
f) Simultaneously rotate both levers to the front of the module and secure them to the module by screwing their captive
screws to the module. Tighten each screw to 8 in-lb (0.9 N·m).
Step 9
If you removed any fan trays before moving the chassis, reinstall each one in the chassis as follows:
a) Holding each of the two handles on the fan tray with your two hands, align the fan tray to an open fan tray slot.
Note
b) Slide the fan tray into the slot until the front of the fan tray comes in contact with the rear of the chassis.
Note
c) Screw in the four captive screws to the chassis and tighten each screw to 8 in-lb (0.9 N·m).
Step 10
If you removed any power supplies before moving the chassis, reinstall each one as follows:
a) Determine which power supply slots to fill and ensure that each of those slots is open.
If you are using the combined or power supply redundancy mode, you can use any slot for the power supply that
you are installing. If you are using input-source or full redundancy mode, you must group the power supplies that
are to be connected to the same grid on either the left or right power supply slots in the chassis (that is, place the
power supplies for grid A in slots 1, 2, 5, or 6 and place the power supplies for grid B in slots 3, 4, 7, or 8).
b) Place one hand on the front of the power supply and place your other hand under it to support its weight.
c) Align the power supply to an open power supply slot.
Note
d) Slide the power supply all the way into the slot until it stops.
e) Slide the handle in the middle of the ejector lever toward the end of the lever and rotate the lever to the front of the
power supply. Release the middle handle.
Note
f) Screw in the two captive screws on the front of the power supply to the chassis. Tighten each screw to 8 in-lb (0.9
N·m).
Step 11
Connect each installed power supply with an AC power circuit as follows:
Note
If you are using combined power mode (no power redundancy) or power supply (n+1) power mode, connect
all of the power supplies to the same power circuit (grid). If you are using input source (n+n) or full power
mode, connect half of the power supplies (located in slots 1, 2, 5, and 6) to one AC power circuit and the
other half of the power supplies (located in slots 3, 4, 7, and 8) to another AC power circuit. When you connect
each power supply to an AC power circuit, the LEDs on the power supply turn on. The switch can operate
when each of the required power supplies have a green OUTPUT LED lit.
a) Ensure that the power supply is turned off by making sure that the power switch is set to 0.
b) Connect the power cable that shipped with the power supply to the AC power source.
c) Connect the other end of the power cable to the power supply outlet.
OL-30452-01.
The two alignment brackets on top of the fan tray should align to two tracks at the top of the slot.
The two alignment pins on the fan tray (on the top and one on the bottom) should go into holes in the
chassis and the four captive screws on the fan tray should align to screw holes in the chassis.
The alignment bracket on top of the power supply should align to a track at the top of the slot and a bar
at the bottom of the power supply should be guided by a track at the bottom of the slot.
The lever should grab the inside of the slot and push the power supply onto its mid plane connectors.
Cisco Nexus 7710 Switch Site Preparation and Hardware Installation Guide
Installing a Chassis on a Rack or Cabinet
27
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