High Quality Content by WIKIPEDIA articles! VSNL Western Europe (previously TGN Western Europe) is a telecommunications cable system with both submarine and terrestrial parts linking several counties in western Europe.The cable system is constructed from cables with 4 fibre pairs per cable, and each fibre pair supports 96 10Gb/s waves at construction, allowing for a total lit capacity (at construction) of 4 fibre pairs x 96 10 Gbit/s waves = 3,840 Gbit/s.