Assertion: specific wavelength | /r/CapableOf | use a 1,550 nm band laser
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Source sentences:
text: Each wavelength-converting transponder receives an optical data signal from the client-layer, such as Synchronous optical networking [SONET /SDH] or another type of data signal, converts this signal into the electrical domain and re-transmits the signal at a specific wavelength using a 1,550 nm band laser.