____________________________________________________________________________________
____________________________________________________________________________________
NTU Optical Network Terminals 21
authentication failed at optical line terminal
no signal from optical line terminal
WAN interface is in static or bridge mode, PPP client
is not running
device was successfully authenticated on line terminal
(PPP session started in WAN interface)
device is not authenticated (PPP session is not started
in WAN interface)
the device is disconnected from the power source or
faulty
current device configuration differs from the default
one
the default configuration is active
2.6.3 NTU-2W
The LED indicators located on the front panel show the current state of the device.
Table 15 provides possible statuses of the LEDs.
Table 15 —Light Indication of Device Status
the device is disconnected from the power source or
faulty
the default configuration is active
a non-default configuration
no USB device is connected
optics is not connected / laser is disconnected on the
OLT side
the device is connected and registered on OLT
registering the device on OLT
the device is connected and registered on OLT
laser is disconnected on the OLT side
no IP address for WAN connection
obtained an IP address for WAN connection
transmitting data via Wi-Fi
the device is waiting for WPS connection
established 10/100 Mbps connection
established 1000 Mbps connection
transferring data packets