Indicator Color Status Description
Off The ONT is powered off or no optical fiber is
inserted.
Flashing Green Flashing quickly (twice per second): The device
is being registered and configured under the
OLT.
Flashing slowly (once per second): The ONU is
upgrading the version.
PON
Solid Green The ONT registration is successfully.
Off
The ONT is powered off
The ONT received optical power is normal.
Solid Red The optical output of the ONU PON interface
is disabled.
ALARM
Flashing Red
The optical fiber is not connected.
The received signal power of the optical
link is too low.
Off
The ONT is powered off.
The WAN connection is powered on but
not established.
Solid Green A WAN connection is established, an IP address
is obtained, but no data is transmitted.
WAN
Flashing Green A WAN connection has been established, and
data is being transmitted.
Off
The ONT is powered off.
The ONT is unable to register on the soft
switch/IMS
POTS1
POTS2
Solid Green The ONT has registered on the soft switch/IMS
but no traffic is being transmitted.
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