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LEARNA Cisco Compatible SFP DWDM (Dense Wavelength Division Multiplexing) module is a third-party optical transceiver engineered to match Cisco’s form factor and interface. It multiplexes multiple wavelengths over a single fiber for high-capacity, long-haul transmission.
A Cisco Compatible SFP DWDM module operates by assigning each data channel to a specific ITU-T wavelength, combining them on one fiber via a multiplexer and then de-multiplexing at the remote end. This maximizes bandwidth and minimizes infrastructure costs.
Cisco Compatible SFP DWDM modules support ITU-T grid channels from C-Band 191 to 196 THz (wavelengths 1528.77 nm to 1563.86 nm). Channel spacing is typically 50 GHz, ensuring standardized interoperability.
Depending on channel power and fiber loss, Cisco Compatible SFP DWDM modules can reliably transmit up to 80 km without amplification and beyond 120 km with inline amplifiers or dispersion compensation.