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Transition Networks SISPM1040-182D
Technical Support: 1-800-260-1312 International: 00-1-952-941-7600
2.4 LED Indicators
The diagnostic LEDs that provide real-time status information are located on the front
panel of the industrial switch. The following table provides the description of the LED
status and their meanings.
LED Color Status Meaning
On The switch unit is powered on
PWR
Green
Off No power
On
The industrial switch is the master of the
X-Ring group
R.M.
Green
Off
The industrial switch is not a ring master in
the X-Ring group
On Power 1 is active
PWR1 Green
Off Power 1 is inactive
On Power 2 is active
PWR2 Green
Off Power 2 is inactive
On Power or port failure
FAULT Red
Off No failures
On A network device is detected.
Blinking
The port is transmitting or receiving packets
from the TX device.
Green
(Upper LED)
Off No device attached
On 1000M
P9, P10 (RJ-
45)
Green
(Lower LED)
Off 10/100M