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IP link over dark fibre optics cable

We want to connect two sites that are 55km apart on single mode dark fibre optics cable.We want to achieve IP connection between the two site. Can We use MUX (e.g. RAD MUX with 12 ports) directly between the two sites considering the distance.The two end of the MUX will be connected to a Cisco router with E1 ports.

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Re: IP link over dark fibre optics cable

Is this your proposed network config?

E1 ports ----> Cisco router ----> DS3 ----> RAD Mux ----> 55km singlemode fiber ----> RAD Mux ----> DS3 ----> Cisco router ----> E1 ports

Which RAD mux are you considering?

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