H3C S5170-EI Series Installation Manual page 32

Keep the packaging box and packaging bag for the power supply secure for future use.
4. Correctly orient the power supply. Make sure the lettering on the power supply is upward.
5. Align the power supply with the power supply slot. Grasping the handle of the power supply with
one hand and supporting its bottom with the other, slide the power supply slowly into the slot
along the guide rails until the latch of the power supply clicks into the slot.
To prevent damage to the power supply or the connectors on the backplane, insert the power
supply gently. If you encounter a hard resistance when inserting the power supply, pull out the
power supply and insert it again.
Figure 22 Installing a power supply
Figure 23 Installation completed
NOTE:
The PSR1110-56A power supply, including its handle, adds 64 mm (2.52 in) to chassis depth.
Removing a power supply
1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
2. Disconnect the power cord.
3. Press the latch towards the handle, and pull the power supply along the guide rails until it is
part-way out.
4. Grasp the handle of the power supply with one hand, support the bottom with the other hand,
and pull the power supply slowly along the guide rails out of the slot.
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