In 1997, the North-South axis of the optical cable lines were first put on the 500kV line has 10 optical fibre. Four strands of the postal industry, electric power industry's fibre 4. The Department of defense would be 2 optical fiber backbone optical cable's remaining North-South traffic and for communication, and Viettel is the dominant force's backbone optical cable construction serves the first defense-signs 1A. Tough start but with the fast pace of development, only some time later, Viettel has continued to build new fiber backbone 4 (1B, 1 c, 2B, 1 d) for his own with capacity from 40 to 110 Gbps Gbps and is capable of responding to 400 Gbps, become the owner of axis network capacity for Vietnam
đang được dịch, vui lòng đợi..