Transition Networks
SISTM1040-262D-LRT
24-Hour Technical Support: 1-800-260-1312
International: 00-1-952-941-7600
11
2.4 LED Indicators
The diagnostic LEDs that provide real-time information of system and optional status are
located on the front panel of the industrial switch. The following table provides the
description of the LED status and their meanings for the switch.
LED
Color
Status
Meaning
On
The switch unit is power on
PWR
Green
Off
No power
On
The industrial switch is the master of X-Ring
group
R.M.
Green
Off
The industrial switch is not a ring master in
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 failure
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
P17, P18
(RJ-45)
Green
On
1000M
