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Ethernet First Mile (EFM)

EFM is a lower-cost version of BT's leased line service but gives you a tough and reliable high-speed business internet connection, it should not be compaired with FTTC services as it is not contended and has a better SLA available.

But unlike standard leased line, EFM uses existing copper lines (instead of fibre) to connect you to our local exchange. This means it's cheaper and quicker to install than a standard leased line although limted in comparison of bandwidth.

With EFM connections, you'll get internet access speeds ranging from 2Mbps up to 20Mbps, together with most of the benefits of standard Leased Lines.

Like ADSL, the speed an EFM circuit will run at will depend on your distance from the exchange. However, with EFM we can guarantee the minimum speed you will receive. In our trials, we found that most customers receive a faster speed service than we can guarantee.

EFM is also a symmetrical service – meaning that both the upload and the download speed are the same. This is benficial if you are making Internet Telephony calls, using video, or sending / uploading large files to the internet.

Symmetrical speeds of up to 20Mbps

  • Available in 2,5,10,15 and 20Mbps options

  • Utilises the existing copper and fibre infrastructure to minimise installation costs

  • Enhanced SLA options available, choice of back up connection

  • Uncontended connection

  • Supports Virtual Private Networks & Voice over IP

The table below shows typical bandwidth capability from EFM.

Distance from exchange EFM 2 pair EFM 4 pair
0m - 100m 10Mbps 20Mbps
200m - 500m 8Mbps 16Mbps
600m- 800m 7Mbps 15Mbps
900m - 1100m 7Mbps 14Mbps
1200m - 2100m 6Mbps 14Mbps
2200m - 2300m 6Mbps 13Mbps
2400m 6Mbps 12Mbps
2500m 5Mbps 12Mbps
2600m - 2700m 5Mbps 11Mbps
2800m - 2900m 4Mbps 10Mbps
3000m - 3100m 4Mbps 9Mbps
3200m 3Mbps 8Mbps
3300m - 8Mbps
3400m - 7Mbps
3500m - 3600m - 6Mbps
3700m - 5Mbps
3800m - 4Mbps
3900m - 3Mbps
4000m+ - -

Beware when ordering EFM, whether 2x pair or 4x pair, once ordered you can’t upgrade that connection you would have to provision a new connection, so make sure you allow for the right bandwidth now and tomorrow!

 

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