Figure 2-1
ISW-802M Front Panel
2.1.3 LED Indications
LED
Status
Meaning
Green
The switch unit is power on.
Power
Off
The switch unit is no power input.
Green Power
on
Power 1
Off
No power inputs
Green Power
on
Power 2
Off
No power inputs
Yellow
Power failure or UTP port failure or Fiber port failure
Fault
Off
No Power failure or UTP port failure or Fiber port failure occurs
Green
The industrial switch is the master of redundant ring group.
R. M.
(Ring Master)
Off
The industrial switch is not a ring master in redundant ring group.
Green
The port is linking.
LNK/ACT
(Port 7 & 8)
Blinks
The port is transmitting or receiving packets from the TX device.