Specifications
xStack® DGS-3420 Series Layer 2+ Managed Stackable Gigabit Switch Hardware Installation Reference Guide 
22 
Installing SFP and SFP+ Ports 
The Switch is equipped with SFP (Small Form Factor Portable) and SFP+ ports, which are used with fiber-optical 
transceiver cabling.SFP ports support full-duplex transmissions, auto-negotiation, and can be uplinked with various other 
switches across a gigabit network. The SFP ports support data rates of up to 1Gbit/s and the SFP+ ports support data 
rates of up to 10Gbit/s.  
See the figure below for installing the SFP ports in the Switch. 
Figure 2–5 Inserting fiber-optic transceivers into a DGS-3420 Series Switch 
For a full list of supported transceivers compatible with this switch series, refer to Port Functions on page 43
. 










