User's Manual

Table Of Contents
Users Manual of GS-5220-8P2T2S Managed Switch
26
2.1.2 LED Indications
The front panel LEDs indicate instant status of power status,port links/PoE-in-use and data activity; they help monitor and
troubleshoot when needed. Figures 2-1-2 show the LED indications of the L2+ Managed PoE+ Switch.
GS-5220-8P2T2S LED indication
Figure 2-1-2: LED Panel of GS-5220-8P2T2S
LED Definition
System
LED Color Function
PWR Green Lights to indicate the Switch has power.
Per 10/100/1000BASE-T PoE+ Port (Port 1 to Port 8)
LED Color Function
LNK/ACT Green
Lights: To indicate the link through that port is successfully established.
Blink: To indicate that the switch is actively sending or receiving data over that port.
PoE In-Use Amber
Lights: To indicate the port is providing DC in-line power.
Off: To indicate the connected device is not a PoE Powered Device (PD).
10/100/1000BASE-T interfaces (Port-9 to Port-10)
LED
Color Function
1000
LNK/ACT
Green
Lights:
To indicate the link through that port is successfully established at 1000Mbps.
Blink:
To indicate that the switch is actively sending or receiving data over that port.
10/100
LNK/ACT
Amber
Lights:
To indicate the link through that port is successfully established at 10Mbps or 100Mbps.
Blink: To indicate that the switch is actively sending or receiving data over that port.
100/1000BASE-X SFP Interfaces (Port-11 to Port-12)
LED
Color Function
1000
LNK/ACT
Green
Lights: To indicate the link through that port is successfully established at 1000Mbps.
Blink: To indicate that the switch is actively sending or receiving data over that port.
100
LNK/ACT
Amber
Lights: To indicate the link through that port is successfully established at 100Mbps.
Blink: To indicate that the switch is actively sending or receiving data over that port.