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Rs485 / 422 / 232 Optic conver DLX RS485 / 422 / 232 Optical Modem is equipment which transmit RS485 / 422 / 232signal by fiber and use to connecting between routers. Features: 1. Offer one RS485 / 422 / 232 and duplex fiber interface 2. AC-48V and DC 220V optional 3. Alarm indicators of TD and OD and LOS 4. Typical distance is 40KM. 5... Keywords: fiber modem RS232 optic modem optical modem
Categories： Telecommunications > Fiber Optic EquipmentDailianxu Engineering Co.,Ltd China 
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4E1 PDH multiplexer 4E1 PDH Optical Transmitter & Receiver is a photoelectricity syncretic transmission apparatus with 120 channels (be equal to 120 voice channels) . It takes GSI as core and provides E1 transmission which is suit to telecommunication. Offers 4 channels E1 ports, one channel RS232 and one channel service telephone.... Keywords: PDH multiplexer PDH optical multiple optical multiplexer E1 to fiber converte E1 optical modem fiber opticall modem
Categories： Telecommunications > Fiber Optic EquipmentDailianxu Engineering Co.,Ltd China
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