12
NDD-0305-01
FTTdp Network Termination Device
Indicators
LAN
LAN
LAN
DSL
RPF Link
Power
LED NAME ICON COLOUR STATUS
DESCRIPTION
Off
Powered off
Power
Blue
On
The NTD is powered on
Off
Not connected
Blue
Blinking one time
per second
Start up phase. This can last up
to 5 minutes
Blue
On
Connected and power
feed active
RPF Link
Red
Blinking one time per
second
Line fault – short circuit or
overcurrent
Red
Blinking four times a
second
Line fault – foreign voltage
detected
Red
On
Line fault – RPU overheated
/
Blue /
Red
Blinking one time per
second, alternating
colours
Line fault – off-hook telephone
detected, find and disconnect
telephone