| The introduction to this article provides insufficient context for those unfamiliar with the subject. Please help improve the article with a good introductory style. |
The STM-1 (Synchronous Transport Module) is the SDH ITU-T fiber optic network transmission standard. It has a bit rate of 155.52 Mbit/s. The other levels are STM-4, STM-16 and STM-64. Beyond this we have wavelength-division multiplexing (WDM) commonly used in submarine cabling.
Frame Structure
This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)


