Objective Establish protective relay communications between substations over fiber and microwave communications via TDM over IP/Ethernet Products Used • JumboSwitch ® • TC3847-3: Turbo Serial over IP Key Benefits • Exceeded stringent latency requirements • Solved connection issues when RTUs were not available. • Satisfied power redundancy requirements Tucson Power Deploys Multiple Teleprotection-over-IP Links Case Study The Challenge: Merging Legacy Applications with a Backbone Network As Power Utilities continue to integrate legacy applications into their Ethernet/IP substation communication backbone networks, they are increasingly using TDM over IP/ Ethernet instead of traditional TDM- based solutions for latency sensitive applications such as teleprotection. TDM over IP/E

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