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This paper considers research activities into how much insulation resistance influences data communication via a xDSL system. In Indonesia, insulation resistance has been the only important electrical parameter of copper cable/networks for a long time. Before 2000, knowing whether the cable is good or bad depended on the value of insulation resistance. There is no other measurement for the cable condition. It has been said that if the insulation resistance is more than 1,000 MΩ for the existing cable, the cable is good. If less than 1,000 MΩ, the cable is bad. There is no limitation on insulation resistance value for POTS and data communication. After 2000, several questions arose for electrical parameters for data transmission based on modem systems, especially the x-DSL system: (a) is the insulation resistance an important parameter for an x-DSL system? (b) What is the limitation of insulation resistance value for an x-DSL system? (c) What is the real electrical parameter that has most influence on a x-DSL system? Research needs to analyze the insulation resistance parameter for x-DSL performance and data transmission.
Date of Conference: 10-12 May 2004