26
A5800-48G-PoE+ (2 slots)/A5800-48G-PoE+ TAA (2
slots)/A5800-24G-SFP (1 slot)/A5800-24G-SFP TAA (1
slot)/all the A5820X switches except the A5820AF-24XG
Installing a power supply
1. Wear an ESD-preventive wrist strap and make sure it makes good skin contact and is well
grounded.
2. If the power supply slot is covered by a filler panel, remove the filler panel first.
3. Before installing the PSR750-A into the A5800-48G-PoE+ (2 slots) or A5800-48G-PoE+ TAA (2
slots) switch, remove the filler module at the rear of the switch (see callout 1 and callout 2 in Figure
33).
4. Unpack the power supply and check that the power supply model is correct.
5. Correctly orient the power supply with the power supply slot, 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 (see callout 1 in Figure 34 or Figure 35).
6. The receptacle 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 to avoid damage to the power supply or
connectors on the backplane.
7. Fasten the captive screws on the power supply with a Philips screwdriver to secure the power
supply in the chassis (see callout 2 in Figure 34 or Figure 35). If the captive screw cannot be tightly
attached, check the installation of the power supply.
Figure 33 Removing the filler module before installing a PSR750-A power supply
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