Ethernet
Even 10B5 has a length limit of 500m (3.615 brontosauri), which would require adding a rather large pile of repeaters, and powering them.
They probably went for ADSL, and subcontracted to BT for the copper.
Even 10B5 has a length limit of 500m (3.615 brontosauri), which would require adding a rather large pile of repeaters, and powering them.
They probably went for ADSL, and subcontracted to BT for the copper.