Those interested in owning either an
ECI Telecom Hi-Focus MiniCab 48A Active Unit (the third type, in the FTTC video) or a
Huawei SmartAX MA5616 (the DSLAM deployed in the
Huawei FTTCs) should consider the following two
eBay listings --
http://www.ebay.co.uk/itm/250943978755
http://www.ebay.co.uk/itm/261131145650
100% Linux and, previously, Unix.