Communication solution of railway and highway

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Communication project of Railway and highway

Highway tunnel emergency communication solution Now the situation of highway is becoming more and more complicated, and the timely transmission, sharing and intercommunication of communication information naturally requires a powerful highway tunnel emergency communica…
subway E1 protection collinear ring transmission system in Beijing OverviewThe project involves 1 central station and 11 remote stations. One central station and each remote station install one ZMUX-3036 intelligent PCM multiplexing device, and each ZMUX-3036 provides one RS422 dynamic r…

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