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CAUTION:
• Follow the forward inertia of the power supply when inserting it into the chassis, and make sure the
power supply has firm contact with the connectors on the backplane.
• To prevent damage to the connectors inside the switch chassis, insert the power supply gently. If you
encounter a hard resistance while inserting the power supply, pull out the power supply and insert it
again.
• If only one power supply is installed, install a power filler module in the empty power supply slot for
good ventilation of the switch.
To install a 650W AC power supply or 650W DC power supply into the switch:
1. Wear an ESD-preventive wrist strap and make sure it makes good skin contact and is well
grounded.
2. Unpack the power supply and check that the power supply model is correct.
3. Correctly orient the power supply with the power supply slot (as shown in Figure 31), grasp the
handle of the power supply with one hand and support its bottom with the other, and slide the
power supply slowly along the guide rails into the slot.
The slot is foolproof. If you cannot insert the power supply into the slot, re-orient the power supply
rather than use excessive force to push it in.
Figure 31 Installing a power supply
Figure 32 Installing a power filler module
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