Jasuka (Jawa Sumatera and Kalimantan) backbone is owned by PT. Telkom and was operated since early 2006. It consists of 2 rings and connects 30 cities in the islands including
- Ring 1 : Jakarta, Tanjung Pakis, Tanjung Pandan, Pontianak, Batam, Dumai, Pekanbaru, Jambi, Palembang,Baturaja, Bandar Lampung
- Ring 2 : Medan, Tebing Tinggi, Rantau Prapat, Pekanbaru, Bukit Tinggi, Padang, Sibolga, Pematang Siantar
Several other facts:
- Contractors : NEC-Siemens consortium
- Subcontractors : EGS Asia (cable route study and survey, burial assessment survey), NTTNE Marine (GMSL NTT venture), SBSS (GMSL China Tel venture)
- Construction period : 2005 - 2006
- Length : 10,080 (10,040?) km submarine, 780 km terrestrial
- CAPEX : approx. USD 55 mio (?)
- Capacity : 20 Gbps initial (submarine), 10 Gbps initial (terrestrial), upgreadable to 320 Gbps, 32 Lambdas possibly 1 or 2 FP (submarine)
- Cable breaks this year (2008) : Jakarta - Tanjung Pandan; Jambi - Rengat (HPBB?)
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