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Table 5:
Front panel LED description for standalone modem
LED
Description
Power
On (green)
when power is applied to the unit.
Off
when no power is applied to the unit.
VLINK - Link
On (green)
when the end-to-end VDSL link between
the units is established.
Off
when the link has not
been established or when the link fails
VLINK - QOL
Flashes yellow
at different rates to indicate the
amount of error correction taking place on data pass-
ing over the VDSL link. This is a normal operating
condition and all data is passing correctly over the
link even if the link is
solidly yellow.
However, if the
LED is
solid yellow
and the
VLINK Link LED is Off
,
Off when no power is applied to the unit.
Ethernet - Link
On (green) when the 10/100Base-T Ethernet link
has been established. Off when the 10/100Base-T
Ethernet link has not been established or when the
link fails.
Ethernet - COL
(Collision)
Flashes yellow to indicate Ethernet collisions are
occurring.
Ethernet - FDx
(Duplex)
On (yellow) when in full-duplex Ethernet mode. Off
when when operating in half-duplex Ethernet mode.
Ethernet - 100M
On (yellow) when the link has not been established
or when operating in 100-Mbps Ethernet mode. Off
when operating in 10-Mbps Ethernet mode.
Ethernet - TX
Flashes yellow when data is transmitted from the
unit to the LAN.
Ethernet - RX
Flashes yellow when data is received at the unit
from the LAN.
