D-Link DGS-3212SR Layer 2 Gigabit Ethernet Switch
Plug-in Modules
The DGS-3212SR Switch is able to accommodate optional plug-in modules in order to increase functionality and
performance. Two modules may be installed and used in combination with any of the three available modules.
Plug-in modules must be purchased separately.
DEM 340T 1000BASE-T Module
Figure 1-4. 1000BASE-T Four-port module
Front-panel module
Connects to 1000BASE-T devices
LED indicators for Link/Activity
DEM 340MG SFP (Mini GBIC) Module
Figure 1-5. Four-port Gigabit SFP module
Front-panel module
Connects to Gigabit Ethernet devices
LED indicators for Link/Activity and Status
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