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On
This EDS-728/828 is the Master of this
Turbo Ring.
Blinking
This EDS-728/828 has become Ring
Master of this Turbo Ring after the
Turbo Ring was broken.
MASTER GREEN
Off
This EDS-728/828 is not the Master of
this Turbo Ring.
On
When this EDS-728/828 enables the
coupling function to form a back-up
path.
COUPLER GREEN
Off
When this EDS-728/828 disables the
coupling function.
Off
This EDS-728/828 does not belong to an
active Turbo Ring.
T.RING GREEN
On
This EDS-728/828 belongs to an active
Turbo Ring.
NOTE
Use the Mode push-button switch to cycle among the LNK/ACT,
SPEED, FDX/HDX, RING PORT, and COUPLER PORT LEDs.
The status of these five settings is indicated by the LEDs for the
various ports.
LED Color State Description
Mode LEDs
On
The corresponding module port’s link is
active.
Blinking
The corresponding module port’s data is
being transmitted.
LNK/ACT GREEN
Off
The corresponding module port’s link is
inactive.
On
The corresponding module port’s data is
being transmitted at full duplex.
FDX/HDX GREEN
Off
The corresponding module port’s data is
not being transmitted.
On
The corresponding module’s port is the
ring port of this EDS-728/828.
RING
PORT
GREEN
Off
The corresponding module’s port is not
the ring port of this EDS-728/828.
On
The corresponding module’s port is the
coupler port of this EDS-728/828.
COUPLER GREEN
Off
The corresponding module’s port is not
the coupler port of this EDS-728/828.
Off
The corresponding module port’s data is
being transmitted at 10 Mbps.
On
The corresponding module port’s data is
being transmitted at 100 Mbps.
SPEED GREEN
Blinking
The corresponding module port’s data is
being transmitted at
1000 Mbps.