GENERAL DESCRIPTION
A Vitesse TSI Switch Family Member
The VSC9191 is a 40 x 40 Time Slot Interchange (TSI) switch supporting multirate OC-48/OC-12 data on every input and output. All inputs and outputs are differential serial signals running at 2.488 Gbps or 622 Mbps for TDM signals, and 2.125 Gbps or 2.488 Gbps for signals routed transparently.
   
FEATURES
► 40 x 40 TSI switch with non-blocking 1920 x 1920 STS-1 switch matrix
    with 100 Gbps aggregate bandwidth.
► Serial TSI-to-framer interface (TFI-5) operating at 2.488 Gbps with
    STS-12 622.08 Mbps support.
► Hitless reconfiguration of TSI mapping.
► Automatic protection switching at STS-1 level.
► Integrated clock synthesis with three reference frequencies: 78 MHz,
    155 MHz, and 311 MHz.
► 66 MHz 16-bit microprocessor interface with four interface modes.
► One-step connection programming.
► Flexible split-frame domain support for folded fabrics.
► Overhead monitor port.
► 33 mm, 613-pin FCBGA package.
► Power dissipation < 6 W typical and < 8 W maximum.