What do the lights on my NTE mean?

This will depend on which NTE you have.

The images and tables below, will help you identify your NTE, the lights you could expect and their meanings.

There are also some suggestions to help fix any problems you might have. Please try these before reporting a fault, as we may raise charges if we visit your premises and the fault is with your terminal equipment or on-site wiring, rather than in your MegaStream Ethernet service.

If you have an NTE similar to this:

You may see the following lights:

Name	Light	Meaning
Speed	Green	100Mbit/s operation.
	Yellow	10Mbit/s operation.
	No light	No power to the card. Check your power supply to the NTE.
Link	Green	There is a good copper link connection.
Link	No light	There may be a problem with the local customer interface connections. To fix this, seeI have no Link/Data light on my NTE. What should I do?
Data	Green	Active data is being received on the customer interface.
Data	No light	There may be a problem with the local customer interface cables. To fix this, see I have no Link/Data light on my NTE. What should I do?
Rem F	Red	There is a fault in the optical fibre path in the BT network. To fix this, see I have a red Rem F light on my NTE. What should I do?
Rem F	No light	There are no faults in the optical fibre path in the BT network.
Alarm	Red	There is a fault in the fibre path from the BT network. To fix this, see I have a red Alarm light on my NTE. What should I do?
Alarm	No light	There are no faults in the fibre path in the BT network.

If you have an NTE that looks like this:

You may see the following lights:

Name	Light	Meaning
Speed	Amber	100Mbit/s operation. Note: When the light is off, There is 10Mbit/s operation.
Speed	No light	There is no power to the card. Check the power supply to your NTE
Link/Data	Green	There is a good copper link connection.
	Green and flashing	Active data is being received on the customer interface.
	No light	There is no link present. To fix this, see I have no Link/Data light on my NTE. What should I do?
Test	Amber, amber and flashing	If on or flashing, a test pattern or loop back is present. Wait until the light goes out before transmitting data.
Test	No light	There is no test pattern or loop back is present and you can transmit data.
Power	Green	A power supply is present.
Power	No light	There is no power supply present. Check the power supply to your NTE.
Net	Red	If the Net light on your NTE is red, there's a fault with the optical link between your NTE and the exchange. You will need to report the problem to your Service Management Centre.
Net	No light	There are no faults with the optical link between your NTE and the exchange.
Cust	No light	This light is not used.

This product has now been replaced with Short Haul Data Services (SHDS).

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