Allied Telesis 8100S Series - Manual (Page 124)

Chapter 9: Adding or Removing Switches
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5. Remove and label the module from the switch, as shown in Figure 55.
Figure 55. Removing the SFP Module
6. Install the dust cover in the SFP slot, as shown in Figure 56.
Figure 56. Installing the Dust Cover in the SFP Slot
7. If the switch has two SFP modules, repeat steps 3 to 6 to remove the
second module.
8. Label and disconnect the stacking cables from the stacking ports on
the front panel of the switch, as shown in Figure 57 on page 125.