NHBQPOG 1 Pair 8 Channel -PCM Voice Tel Over Fiber Optic Multiplexer Extender with 100M Ethernet,Support Caller ID and Fax Function

1 Pair 8 Channel RJ11 Premium Telephone Converters/Extenders - PCM Voice Tel Over Fiber Optic Multiplexer,FC Optical Port, with 100M Ethernet. single mode 20KM.Support Caller ID and Fax Function Specification: 1.Using a single mode single FC/FC Fiber Optic cable. transmission distance of the telephone signals up to 20Km FC fiber interface. 2.Strong anti-interference ability, built-in lightning protection. voice call chip, clear voice calls, Support caller ID showing and fax function. 3 PCM voice telephone Modular design, Plug and play, no need on-site debugging. high integration, stable and reliable performance 4.Transmission bandwidth: 10-100Mbps (per network port) full duplex, half duplex fully adaptive 5.Made of metallic baking paint, resistant, porous heat dissipation on both sides to ensure stable operation. Product description : PCM Phone multiplexing fiber converter is a dedicated digital multiplexer for fiber and Ethernet telephony, which integrates almost all of the digital logic in the device, significantly improving product performance and reducing costs. The device has excellent performance, stable and reliable, low power consumption, high integration, small size, easy to install and maintain. Using PCM pulse code modulation technology, voice quality is clear, stable and reliable call.