89Step2 Use a lever to loosen the hex nut on the grounding post of the grounding strip, and remove the other endof the grounding cable (with an OT terminal) from the grounding post, as shown in callout 3 of Figure 49.Figure 49 Remove the grounding cable1231: Grounding sign 2: Remove the grounding cable from the chassis3: Loosen the hex nut on the grounding post of the grounding stripStep3 Put the grounding cable into the accessories box.Removing the twisted pair and optical fiberYou must remove twisted pairs and optical fibers from all the interfaces of the switch.NOTE:After pulling out an optical fiber from an optical transceiver module, cover the connector of the opticalfiber with a dust cap to keep the connector clean.Repackaging the switch accessoriesRepackaging the power moduleCAUTION:Before removing a power module, switch off the circuit breakers at the input end of all power cables, andremove all the power cables to avoid device damage and bodily injury.Follow these steps to repackage a power module:Step1 Prepare the packing bag and box of the power module. Make sure that the bag is clean, dry, and notdamaged.Step2 Remove all power modules from the chassis, and then install blank panels to the empty slots. For how toremove a power module and install a blank panel, see the chapter “Replacement procedures.”Step3 Put the power module into the bag.
