ONT G-25E Hardware Installation Manual
LED Name Color
Indicates
Green/Solid
ONT operating from AC power.
Green/Quick Flash System Booting.
POWER
ONT operating from battery power (applicable
only for ONT equipped with UPS power
interface).
Green/Flash
Red/Solid
Optical interface abnormal (LOS/LOF).
Green/Solid
ONT working normally.
OPTICAL
Green/Flash
ONT in ranging and synchronization process.
At least one of the Ethernet links at the ONT is
up.
Green/Solid
At least one of the Ethernet links at the ONT is
up and there is activity of receiving and
transmitting data.
Green/Flash
LAN
OFF
No Ethernet link is up at the ONT or the ONT
is not ready for running Ethernet service.
Green/Flash In
upgrading.
Red/Solid Upgrade
failure.
UPGRADE
OFF
ONT working normally.
Green/Solid
No alarm with local access enabled
Red/Flash
Software out of order.
Red/Solid
Hardware out of order.
ALARM
OFF No
alarm.
At least one POTS interfaces is in off-hook
condition.
Green/Solid
At least one POTS interfaces is in off-hook
condition for at least one hour.
Green/Flash
POTS
All POTS interfaces are in the on-hook
condition or the ONT is not ready for running
POTS service.
OFF
Table 8 ONT Status LEDs description
313-12201-02 Rev. B: August 2007
Cambridge Industries Group Co. Ltd
12
