Using the ITU-T channel plan recommendation defined in G.692, if one of the channels has a
frequency of 196.10THz (equivalent to 1528.77nm), then what is the wavelength of the next lower
frequency based on a 50GHz channel plan?
A.
1527.99nm
B.
1528.38nm
C.
1529.16nm
D.
1529.55nm
E.
1529.94nm