Telecom FXS/FXO over fiber optical multiplexer

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{"cid":"92362","pid":"19545646","pimg_url":"\/\/img1.b2bforus.com\/1f\/69\/23a688524122\/product\/63082724_s-w400xh400.jpg","name":"RJ11 Fiber4 Port Channel Voice +GE Multiplexer Fctel RJ11 Voice Over Mini Fiber Product PCM Multiplexer 90X104X31mm (WXDXH) Type","attrs":{"Price":"Negotiable","MOQ":"2.0 Pieces","Delivery Time":"Negotiable","Brand":"FCTEL"}}

{"cid":"92362","pid":"19545635","pimg_url":"\/\/img1.b2bforus.com\/1f\/69\/23a688524122\/product\/63082668_s-w400xh400.jpg","name":"Telecom Fiber Multiplexer PCM 60 fxs\/fxo 4 Port E1 and 4 (100M) Ethernet Isolated Physical Data","attrs":{"Price":"Negotiable","MOQ":"2.0 Pieces","Delivery Time":"Negotiable","Brand":"FCTEL"}}