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LED
Color
State
Description
FAULT
Red
On
1.
The relay contact has been
triggered
2.
The ingress rate limit has
been exceeded and the port
has entered shut down mode
3.
Invalid Ring port connection
Off
When the system boots up and
runs correctly or a user-
configured event is not
triggered.
P1
Amber
On
Power is being supplied to power
input PWR.
Off
Power is not being supplied to
power input PWR.
P2
Amber
On
Power is being supplied to power
input PWR.
Off
Power is not being supplied to
power input PWR.
MSTR/
HEAD
(M/H)
Green
On
When the switch is
Master/Head/Root of Turbo
Ring/Turbo Chain/Fast RSTP.
Blinking
(4 times/sec)
1.
The switch has become the
Master of Turbo Ring after
Turbo Ring has gone down
2.
The switch is set as Head of
Turbo Chain and Turbo Chain
has gone down
3.
The switch is set as the
Turbo Ring’s Member and
the corresponding Ring port
is down
4.
The switch is set as the
Turbo Chain’s Member/ Tail
and the corresponding Head-
end Chain port is down.
Off
When the switch is not the
Master/Head/Root of this Turbo
Ring/ Turbo Chain/Fast RSTP.
CPLR/
TAIL
Green
On
1.
The switch’s ring coupling or
dual homing function is
enabled.
2.
The switch is set as the Tail
of Turbo Chain.
Blinking
(4 times/sec)
1.
The switch is set as the Tail
of Turbo Chain and the
Chain has gone down.
2.
The switch is set as the
Turbo Chain’s Member/ Head
and the corresponding Tail-
end Chain port is down.
Off
When the switch disables the
coupling or tail role of Turbo
Chain.