RE: Melted coax (was: ANI vs. Caller ID) [Telecom]

***** Moderator's Note *****
Which wavelength(s) of light are used for fiber-optic transmission? Do > single-mode and multimode fibers require different wavelengths?

Its different for different technologies.

SONET (ie. OC-x) uses 1550nm.

CWDM/DWDM is popular ways to use more capacity on fiber, and those frequencies are centered around 1550nm, and branch out either direction. (ie. 8-band CWDM is 1470nm to 1610nm)

Ethernet over single-mode fiber is 1310nm. Ethernet over multi-mode fiber is 850nm.

There are a few obscolecent ones (ie. 1300nm multimode).

Reply to
Doug McIntyre
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