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NTU Optical Network Terminals 15
interface with the Internet identifier is not configured
interface with the Internet identifier is configured and
IP address is obtained
interface with the Internet identifier is configured but
IP address is not obtained
device firmware update is in progress
device startup is in progress
connection between optical line terminal and the
device has been established
connection between optical line terminal and the
device has been established (the device is not
activated).
no signal from optical line terminal
device is disconnected from the power source or
faulty
device startup completed, the current device
configuration differs from the default one
device startup is completed, the default configuration
is set
2.6.2 NTU-RG-1421GС-Wac
LED indicators located on the front panel represent the current state of the device.
Possible states of the LEDs are listed in Table 9.
Table 9 – Light indication of the device
connection between optical line terminal and the device
has been established
authentication failed on the optical line terminal
no signal from optical line terminal
static or bridge operation mode has been established for
WAN interface (PPP client is not started)
The device has been successfully authorized on the optical
line device (PPP session is startred on WAN interface).
The device has not been authorized (PPP session is not
started on WAN interface)
10/100 Mbps connection has been estanlished
1000 Mbps connection has been established
packet data transmission is in progress
port is not registered or authorization is not completed on
SIP server
TV signal is not available
signal level does not correspond to the normal (more than
+2 dBm)
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