OC-3
From Free net encyclopedia
OC-3 (Optical Carrier 3) is a network line with transmission speed of 155.52 Mbit/s (payload: 150.336 Mbit/s; overhead: 5.184 Mbit/s) using fiber optics. Depending on the system OC-3 is also known as STS-3 (electrical level) and STM-1 (SDH).
When OC-3 is not multiplexed by carrying the data from a single source the letter c (standing for concatenated) is appended: OC-3c.
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