20
To prevent damage to the power module or the connectors on the backplane, insert the power
module gently. If you encounter a hard resistance when inserting the power module, pull out the
power module and insert it again.
Figure 26 Installing a power module
Figure 27 PSR1110-56A power module installed in the switch
NOTE:
The PSR1110-56A power module, including the handle, adds 64 mm (2.52 in) to the chassis depth.
Removing a power module
1. Wear an ESD wrist strap. Make sure the strap makes good skin contact and is reliably
grounded.
2. Disconnect the power cord.
3. Press the latch on the power module towards the handle side, and pull the power module part
way out of the slot along the guide rails.
4. Grasping the handle of the power module with one hand and supporting module bottom with the
other, pull the power module slowly out of the slot along the guide rails.
Put away the removed power module in an antistatic bag or the power module package bag for
future use.
5. If you are not to install a new power module in the slot, install a filler panel in the slot to prevent
dust and ensure good ventilation.
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