Transfer 4 E1 signal through fiber product character: (1) Provide 4 E1 interface(2) Can provide at most 4 E1 channels transmission transparently(3) Provide function of E1 remote loop, order Ethernet remote loop, fiber local loop, and 1 interface of phone(optional).(4) Jitter tolerance much better than GB.(5) Power supply option: AC220V, DC-48V. The positive and negative terminal can be exchanged ...
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