D-Link DGS-3630 SERIES - Page 38

DGS-3630 Series Layer 3 Stackable Managed Switch Hardware Installation Guide
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The figure below illustrates how switches can be stacked in a Duplex Chain formation using optical fiber cables
connected to SFP+ transceivers or DAC with SFP+ connectors where the 2-port stacking configuration is used.
Figure 4-3 Duplex Chain stacking topology (SFP+)