Chapter 3 Hardware Panels
GS1200 Series User’s Guide
18
3.3 LEDs
After you connect the power to the Switch, view the LEDs to ensure proper functioning of the Switch
and as an aid in troubleshooting.
Table 3 LED Descriptions
LED COLOR STATUS DESCRIPTION
PWR/SYS Green On The system power is on.
Blinking The system is starting up.
Off The system power is off.
LINK/ACT Amber (10/100
Mbps)
Green (1000
Mbps)
On The port has a successful 10/100 Mbps or 1000 Mbps connection.
Blinking The system is transmitting data through the port.
Blinking
once a
second
If you enable Loop Detection in the Port screen, the port in a loop
state will blink fast.
If you enable Loop Prevention in the Port screen, all ports will blink
fast. Later, the port in a loop state will be off. If a loop happens
on two ports, all ports will blink fast. Later, the higher-numbered
port will be off.
Off The port is disconnected or disabled.
If you enable Loop Prevention in the Port screen, and a loop
happens on two ports, the higher-numbered port will be off.
PoE
(GS1200-5HP
v2 & GS1200-
8HP v2)
Green On PoE is enabled and power is supplied to the connected PoE-
enabled device.
Off PoE is disabled or power is not being supplied.
PoE MAX
(GS1200-5HP
v2 & GS1200-
8HP v2)
Amber On More than 50 W has been supplied to the PoE-enabled devices,
and the PoE power output is approaching the power budget.
Off Less than 50 W has been supplied to the PoE-enabled devices.
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