A SONET STS-3c user network interface IC

Abstract
The STS-3c user network interface IC transmits and receives a SONET (synchronous optical network) STS-3c signal at 155.52 Mb/s. In addition to payload insertion and recovery, this 1-μm CMOS IC scrambles the serial STS-3c line signal, performs SONET payload pointer processing, and provides several error performance monitoring functions. Test results show successful performance at data rates of up to 300 Mb/s Author(s) Robe, T.J. Bellcore, Red Bank, NJ, USA Walsh, K.A.

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