Ethernet Switch User Manual
Manual-ESUL4-FL1_Series
_
HW-Rev0611B
Copyright © KBC Networks Ltd.
Page 11 of 17
www.kbcnetworks.com
2.8
LED Status
LED
Status
Description
PWR 1
ON
Power is supplied to the unit
OFF
No power to the unit
PWR 2
ON
Power is supplied to the unit
OFF
No power to the unit
Fiber Port LED
LED1
LINK/ACT
ON
Effective network connection has been established for the
port
FLASH
Data traffic is passing through the port
OFF
No effective network connection has been established for
the port
Ethernet RJ45 Port Status LED
Each RJ45 Ethernet port has two indicators, a yellow lamp and a green lamp. The
yellow lamp indicates port speed, and the green lamp indicates port link state.
10/100
(Yellow)
ON
100M working status
（
100Base-TX
）
OFF
10M working status
（
10Base-T
）
or no connection
LINK/ACT
(Green)
ON
Effective network connection has been established for the
port
FLASH Data traffic is passing through the port
OFF
No effective network connection has been established for
the port
