Ubiquiti UniFi SWITCH 48 Quick Start Manual page 10

Using SFP+ and SFP Ports
These ports support the specified module types at the
following speeds:
Ports
SFP+ 1-2
SFP 1-2
To use an SFP+ or SFP port:
1. Remove the protective plug covering the SFP port.
2. Plug a compatible fiber module into the SFP port.
3. Connect a fiber optic cable to the fiber module. Then
connect the other end of the cable to another fiber device.
For information about compatible fiber SFP modules, visit:
community.ubnt.com/unifi
SFP+ Module Type
10 Gbps
(Not supported)
SFP Module Type
1 Gbps
1 Gbps