VSC9187 Overview
The VSC9187 is a VT1.5 Time Slot Interchange (TSI) Device. It provides a fully non blocking cross connect for 3024 VT1.5's that are all frequency, phase and column aligned in addition to a pregrooming 2:1 UPSR selection. The device receives 9 x 622 Mb/s STS-12 working and protection backplane inputs and performs all necessary functions to retime and align these signals from the backplane.