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OEO(Optical-Electrical-Optical) repeater is a device used in optical transmission which converts signals by amplifying and shaping, even the conversion of wavelength and the pattern. With the OEO repeater, we can effectively save fibre resources and network costs.
When adding a CWDM Mux/Demux or DWDM Mux/Demux into a WDM network, there is a requirement to convert the optical wavelengths like 850nm, 1310nm, and 1550nm to CWDM or DWDM wavelengths. Then the OEO transponder comes to assist.
The OEO transponder receives, amplifies, and re-transmits the signal on a different wavelength without changing the signal content.
In long haul fiber optic transmission, OEO transponder also can work as a repeater to extend network distance by converting wavelengths (1310nm to 1550nm) and amplifying optical power.
The OEO converter converts the weak optical signals from the fiber into electrical signals, and regenerates or amplifies them, then recovers them into strong optical signals for continuous transmission.
OEO repeater is also known as transponder OEO. This component uses the Optical-Electrical-Optical principle to offer the conversion between different wavelengths of optical signals. "3R" means re-timing, re-shaping, and re-amplifying.
An optical communications repeater is used in a fiber-optic communications system to regenerate an optical signal. Such optical communications repeaters are used to extend the reach of optical communications links by overcoming loss due to the attenuation of the optical fiber.
Modern fiber optic cables can carry a signal quite a distance -- perhaps 100 km. On a long-distance line, there is equipment need each 80 or 100km.
A repeater is an electronic device in a communication channel that increases the power of a signal and re-transmits it, allowing it to transmission further.
OEO repeater including 10G OEO repeater and 40G&100G OEO Repeater. which used in increases the power of a signal.
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