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NTU Optical Network Terminals
15
flashes
packet data transmission is in progress
on
phone is off-hook
flashes
port is not registered or authorization is not
completed on SIP server
flashes slowly
receiving call signal
2.4/5
green
Wi-Fi is active
flashes
Wi-Fi data transfer
off
Wi-Fi is not active
off
interface with the Internet identifier is not configured
green
interface with the Internet identifier is configured and
IP address is obtained
orange
interface with the Internet identifier is configured but
IP address is not obtained
flashes green
device firmware update is in progress
off
device startup is in progress
green
connection between optical line terminal and the
device has been established
flashes green
connection between optical line terminal and the
device has been established (the device is not
activated).
flashes red
no signal from optical line terminal
off
device is disconnected from the power source or
faulty
red
device startup failure
green
device startup completed, the current device
configuration differs from the default one
orange
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
LED indicator
LED state
Device state
PON
off
device booting
green
connection between optical line terminal and the device
has been established
green flashes
authentication failed on the optical line terminal
red
no signal from optical line terminal
Status
off
static or bridge operation mode has been established for
WAN interface (PPP client is not started)
green
The device has been successfully authorized on the optical
line device (PPP session is started on WAN interface).
orange
The device has not been authorized (PPP session is not
started on WAN interface)
LAN
P1/P2/P3/P4
green
10/100 Mbps connection has been established
orange
1000 Mbps connection has been established
flashes
packet data transmission is in progress
Wi-Fi
2.4/5
green
Wi-Fi is active
flashes
Wi-Fi data transfer