YML711 Rev1 NetComm 16 or 24 port Gigabit Switch
www.netcomm.com.au 13
Understanding LED Indicators
The front panel LEDs provides instant status feedback, and assists with monitoring and trouble-
shooting the Switch when necessary.
Figure 5. LED indicators of the Switch
Power and System LEDs
POWER : Power Indicator
On : When the Power LED is on, the Switch is receiving
power.
Off : When the Power LED is off, the Switch is not receiving
power.
SYSTEM : Management Indicator
Blinking : When the CPU is working, the System LED will blink.
On/Off : When the CPU is not working, the System LED will be
off.
Ports 1~16 or 1~24 Status LEDs
Link/ACT : Link/Activity
On : When the Link/ACT LED is on, the respective port is
successfully connected to an Ethernet network.
Blinking : When the Link/ACT LED is blinking, the port is
transmitting or receiving data on the Ethernet network.
Off : When the Link/ACT LED is off, there is no link.
