2-4. LED Indicators
There are some system diagnostic LEDs and Ethernet Port LEDs located
on the front panel of JetNet3008 / JetNet 3008f Industrial 8-port Ethernet
Switch. These LED indicators provide administrators with real-time system
status. The table-1 gives the descriptions of the function of each LED
indicator.
LED
Status
Description
Green on
Power is on.
PWR1
Off
No power is being supplied.
Green on
Power is on.
PWR2
Off
No power is being supplied.
Red on
Port link down or power failure event
occurred.
Alm
Off No
event.
Link
(Green on )
A network device is detected and link
up.
Activity (Green blinks)
The port is transmitting or receiving
packets from the TX device.
Speed
(Yellow on/ 100Mbps)
A network device is detected and link on
100Mbps.
Port 1~8 (JetNet 3008)
Port 1~6 (JetNet 3008f)
Speed
(Yellow off)
A network device is detected and link on
10Mbps.
100Mbps Link (Green
on)
The port is operating in full-duplex
mode.
Fiber port #7, #8
(JetNet 3008f)
100Mbps Activity
(Green Blinks)
The port is transmitting or receiving
packets from the TX device.
Table
1
5
