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LED Indicators
Several LED indicators are located on the ToughNet router’s front panel.
The function of each LED is described in the table below.
LED
Color
State Description
System LEDs
PWR1
AMBER
ON
Power is being supplied to power input
PWR1.
OFF
Power is not being supplied to power
input PWR1
PWR2
AMBER
ON
Power is being supplied to power input
PWR2.
OFF
Power is not being supplied to power
input PWR2.
FAULT
RED
ON
When the corresponding PORT alarm is
enabled, and a user-configured event is
triggered.
OFF
When the corresponding PORT alarm is
enabled and a user-configured event is
not triggered, or when the
corresponding PORT alarm is disabled.
MSTR/
HEAD
GREEN
ON
When the TN router is either the Master
of this Turbo Ring, or the Head of this
Turbo Chain.
Blinking
When the TN router is Ring Master of
this Turbo Ring and the Turbo Ring is
broken, or it is Chain Head of this Turbo
Chain and the Turbo Chain is broken.
OFF
When the TN router is neither the Master
of this Turbo Ring, nor the Head of this
Turbo Chain.
CPLR/
TAIL
GREEN
ON
When the TN router enables the
coupling function to form a back-up path
in this Turbo Ring, or it is the Tail of this
Turbo Chain.
Blinking When Turbo Chain is down.
OFF
When the TN router disables the
coupling function of the Turbo Ring, or it
is not the Tail of the Turbo Chain.
Port LEDs
TP
(10/100M)
AMBER
ON
TP port’s 10 Mbps link is active.
Blinking Data is being transmitted at 10 Mbps.
Off
TP port’s 10 Mbps link is inactive.
GREEN
On
TP port’s 100 Mbps link is active.
Blinking Data is being transmitted at 100 Mbps.
off
TP port’s 100 Mbps link is inactive.