The power light is red when powered on.
The orange light is on when VLAN/10M is enabled and the red light is on when VLAN/10M is not enabled.
The Link/Activity indicator light is green when the port is connected.
The indicator light is orange when the network and POE are connected at the same time.
The indicator light is red when POE is connected but the network is not connected.
The indicator light is green when the network is connected but POE is not connected.
PoE Switch Comparison 4 Number of PoE ports 8 2 Number of Uplinks 2 0 Number of SFP ports 0 4 Number of PoE ports 4 2 Number of Uplinks 2 0 Number of SFP ports 1 4 Number of PoE ports 8 2 Number of Uplinks 2 0 Number of SFP ports 1 Operation Guide: Parameter Information - SC SFP Modules Parameter Information - LC SFP Modules