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Your Fibre Equipment continued...
ONT (Optical Network Terminal)
This is where the light that passes through the fibre optics on the seethelight network is converted into
electrical signals for use by your telephone or computer. The ONT is typically located in an under stairs
cupboard (though this may vary from house to house). It has two or four internet and two telephony ports
situated on the underside.
Note: Make sure your ONT’s power supply is plugged-in and switched on or you will not have a connection to
the seethelight network for both telephony and internet.
The ONT has several lights located on it, which tell you its status. These lights can be useful to help you
troubleshoot any problems with your connection. The table below describes the lights which may indicate
a problem with your connection.
Please note, the lights may vary between dierent versions of the ONT.
Light name Colour Meaning
EQPT O No power*
Green OK
MGMT O No power*
Green OK
Red, Amber or Flashing No connection*
Power Green Power OK
O No power*
PON Green Connection OK
Red No connection**
WAN Green Connection OK
Red No connection**
LOS Red No connection**
Action
* Check power and other cables are properly connected
** Check that there are no bends in the fibre connection
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