physical layer product features: g.975 reed-solomon encoding and decoding rs(255,239) for client signals up to 10.3125gb/s digital wrapper support (g.709) full programmability of g.709/g.975 overhead insertion/extraction of och and client overhead bytes via dedicated access ports bidirectional sonet/sdh performance monitoring for sts-192/stm-64, sts-48/stm-16, sts-12/stm-4, sts-3/stm-1 signals sonet/sdh line termination capabilities b1/b2 error detection, re-calculation, and insertion sonet/sdh section & line ais insertion bidirectional gigabit ethernet and fibre channel performance monitoring integrated bit error rate monitors lof/los/sd/sf/rei/rdi alarm generation markets: metro area networking products long haul transmission products VSC9271 10gb/s multi-rate bi-directional fec device with digital wrapper and performance monitor benefits: forward error correction techniques conform to industry standards t ransparent error detection and correction for any client signal regardless of protocol or rate up to 10.3125gb/s bi-directional architecture enables independent fec encode and decode operation extensive performance monitoring and regeneration capabilities for sonet/sdh signals, gbe, and fiber channel regenerator mode allows the device to be used as an fec link regenerator (decode, then encode) for repeater applications applications: line cards tr ansponders digital cross connects oadm regenerators bi-directional functionality: 16 encoder 16:1 mux 1:16 dmux 16 clock clock tr ansmission channel clock information vector at 9.95gb/s 16-bit bus at 622mhz 16-bit bus at 669mhz encoded vector at 10.7gb/s decoder 16 16:1 mux 1:16 dmux 16 clock clock tr ansmission channel clock received encoded vector (with errors) at 10.7gb/s 16-bit bus at 669mhz 16-bit bus at 622mhz original information vector at 9.95gb/s VSC9271 optical transport networking pb-VSC9271-001
741 calle plano camarillo, ca 93012 t el: 805.388.3700 fax: 805.388.7565 www.vitesse.com y our partner for success. for more information on vitesse products visit the vitesse web site at www.vitesse.com or contact vitesse sales at (800) vitesse or sales@vitesse.com VSC9271 ?2002 vitesse semiconductor corporation specifications: +1.8v / +2.5 v power supply 3.5w power dissipation 10.3gb/s maximum data rate (client side) the VSC9271 is a multi-rate bidirectional forward error correction device (fec) with digital wrapper and performance monitoring. the VSC9271 employs a bidirectional architecture that can be used in both transceiver (adaptation) and regenerator modes. in both cases performance monitoring at the client signal level may be performed for sts-192/stm-64, sts-48/stm-16, sts-12/stm-4, sts-3/stm-1, gigabit ethernet (gbe), and fibre channel (fc) signals. the flexible design of the VSC9271 enables the device to be used in a variety of applications with and without fec.the VSC9271 conforms to the itu-t g.975 standard for transparent fec. the fec is supported by the optical channel (och) which has its own set of performance monitoring and maintenance features defined by the itu-t g.709 standard. these features are independent of the client signal carried, simplifying the operation of an optical network supporting various client signals. the VSC9271 offers bidirectional adaptation and regeneration capabilities for och signals. an integrated multi-rate bidirectional performance monitor (pm) supports a variety of client signals. for sonet/sdh, the device monitors and modifies the transport (section and line) overhead of sts-192/stm-64, sts-48/stm-16, sts-12/stm-4, and sts 3/stm-1 client signals, which allows for support of operations, administration, management, and provisioning (oam&p) functions. in addition to sonet/sdh, the VSC9271 supports the monitoring of gbe and fc signals, as well as a bypass mode to support any other data format. VSC9271 block diagram: general description: 10gb/s multi-rate bi-directional fec device with digital wrapper and performance monitor receive och overhead access port interface 16-bit 669mhz receive overhead access port t ransmit och overhead access port generic cpu interface t ransmit overhead access port fec decoder (with dw) west pm east pm fec encoder (with dw) interface 16-bit 669mhz interface 16-bit 622mhz interface 16-bit 622mhz
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