D-Link DGS-3324SR Product Manual - Page 27

xStack DGS/DXS-3300 Series Layer 3 Stackable Gigabit Ethernet Switch User Manual CAUTION: Before adding the optional module, make sure to disconnect all power sources connected to the Switch. Failure to do so may result in an electrical shock, which may cause damage, not only to the individual but to the Switch as well. At the back of the Switch to the left is the slot for the optional module, as shown in Figure 2-4 and Figure 2-5. This slot should be covered with a faceplate that can be easily removed by loosening the screws and pulling off the plate. Optional Module Slot Figure 2- 4. Optional Module slot at the rear of the DXS-3350SR Optional Module Slot Figure 2- 5. Optional Module slot at the rear of the DXS-3326GSR After removing the faceplate, remove the DEM-420X or DEM-420CX4 optional module from its box. The front panel should resemble the drawing represented here. Figure 2- 6. Front Panel of the DEM-420X Figure 2- 7. Front Panel of the DEM-420CX Take the module and gently slide it in to the available slot at the rear of the Switch until it reaches the back, as shown in the following figure. At the back of the slot are two sets of plugs that must be connected to the module. Gently, but firmly push in on the module to secure it to the Switch. The module should fit snugly into the corresponding receptors. Figure 2- 8. Inserting the optional module into the Switch. 12