27Figure 34 Installing a PSR150-A1 power moduleRemoving a PSR150 power module1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.2. Disconnect the power cord.3. Loosen the captive screws of the power module with a Phillips screwdriver until they are completelydisengaged.4. Grasp the handle of the power module with one hand and pull it out a little, support the bottomwith the other hand, and pull the power module slowly along the guide rails out of the slot.Put away the removed power module in an antistatic bag or the power module package bag forfuture use.5. Install the filler panel to prevent dust and ensure good ventilation if no power module is installedin the slot.Installing a PSR360-56A/PSR720-56A/PSR1110-56A powermoduleCAUTION:To prevent damage to the power module or the connectors on the backplane, insert the power modulegently. If you encounter a hard resistance when inserting the power module, pull out the power moduleand insert it again.For the PSR360-56A, PSR720-56A and PSR1110-56A power modules, the installation and removalprocedures are the same. The following takes the PSR720-56A power module as an example.To install a power module:1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.2. Remove the filler panel, if any, from the target power module slot.The power module slot filler panel varies by switch model. Follow the methods in Figure 35or Figure 36 to remove the filler panel.{ Method 1: Insert the flathead screwdriver through the handle on the front panel and pull out thefiller panel gently.
