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SISTF10xx-141-LR(T) Industrial Unmanaged Switch Transition Networks
24-Hour Technical Support: 1-800-260-1312 International: 00-1-952-941-7600
19
Light Emitting Diodes (LEDs)
LEDs
The Industrial Switch has LED indicators located on its front panel. The LEDs present at-a-
glance network status, and provide real-time connectivity information. Figure 16 shows the
LEDs and a chart that explains the function of each.
LED Description
PWR Green = input power present on either
of the power inputs
PWR1 Green = input power present on PWR1
input
PWR2 Green = input power present on PWR2
input
LNK/ACT
(Fiber port)
Green = fiber link
Green (blinking) = fiber port is receiving
link pulses or data from a
100Base-FX compliant port
FDX/COL
(Fiber port 5)
Orange = Full duplex
Off = Half duplex or no device attached
Orange (blinking) = Collisions occurring
LNK/ACT
(UTP ports 1-4)
Green = UTP link
Green (blinking) = UTP port is receiving
link pulses or data from a
10/100Base-TX compliant port
Off = No device attached
FDX
(UTP ports 1-4)
Orange = Full duplex
Off = Half duplex or no device attached
Orange (blinking) = Collisions occurring
Figure 16: LEDs and Description Chart