Ubiquiti UniFi SWITCH 48 Quick Start Manual page 5

LED State
Off
PoE Amber
Green
Off
Speed/
Amber
Link/
Act
Green
Off
Speed/
Green
Link/
Act
White
Off
Speed/
Link/
Act
Green
SFP+: Speed/Link/Act
SFP: Speed/Link/Act
Status
No PoE
IEEE 802.3af/802.3at
24V Passive
No Link
Link Established at
10/100 Mbps
Flashing Indicates Activity
Link Established at
1000 Mbps
Flashing Indicates Activity
No Link
Link Established at 1 Gbps
Flashing Indicates Activity
Link Established at
10 Gbps
Flashing Indicates Activity
No Link
Link Established at 1 Gbps
Flashing Indicates Activity