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| TIMESTREAM(R) PRODUCT FAMILY VSC9180 VSC9180 Arapahoe - 2.5G SONET/SDH Backplane Transceiver 4Hardware Based Switch Over within Receipt of Two or Four Errored Frame Boundaries 4Loss of Signal, Loss of Alignment, and Loss of Frame Alarm Indication 4Received Frame Pointer Output 4Programmable BER Threshold Monitors Based on B1 Parity Monitoring of Both Serial Inputs 4Returns 16 or 4-Bit Parallel LVDS Bit De-multiplexed Outputs Operating at 155MHz or 622MHz with Recovered Bus Clock (Non Interleave Mode) 4Returns Quad STS-12/STM-4 Outputs Operating at 622 Mb/s (Interleave Mode) 4Clear Channel Non-SONET/SDH Capability and Support for Both SONET/SDH and G.709 OTU1 Frames Special Features 44-Bit or 16-Bit Parallel Bus Loopback with Output Bus Clock 4Parallel Loopback also Allows Quad STS-12/STM-4 Retime, Realign, and Loopback Output 4Serial Loopback with Hitless Input Selection and Realignment 4Onboard Discrete CMU and CRU to Accommodate Non-synchronous TX/RX Applications F E AT U R E S : Parallel to Serial Transmit 4Receives 16 or 4-Bit Parallel LVDS/LVPECL Inputs Operating at 155MHz or 622MHz into Internal FIFO using Source Synchronous Timing 416-Bit 155MHz Bus or 4-Bit 622MHz Bus is Bit Multiplexed to Serial 2.5GHz Output 4Retimes Four Serial STS-12/STM-4 Inputs and Deskews up to +/- 3 Bytes of Skew using the A1/A2 Boundaries 4Byte Interleaves Four Serial STS-12/STM-4 Inputs to Create an STS-48 like Signal 4Clear Channel Non-SONET/SDH Capability and Support for Both SONET/SDH and G.709 OTU1 Frames Serial to Parallel Receive 4Dual 2.5Gb/s Frequency Synchronous Serial CML Inputs with Onboard Clock and Data Recovery 4Onboard Frame Alignment of Received Signals and Large Internal FIFO for Tolerance of up to +/-75ns of Serial Backplane Skew 4Realignment of Incoming Signals Allows Hitless Selection of Incoming Channel for Maintenance Purposes, and Prevents Downstream Devices from Having to Reframe in a Failure Condition PB-VSC9180-001 VSC9180 VSC9180 Arapahoe - 2.5G SONET/SDH Backplane Transceiver GENERAL DESCRIPTION: The VSC9180 is a multi-rate SONET/SDH transceiver with support for working and protection hitless backplane 1+1 protection. It is designed to serialize four STS-12/STM4 signals, or byte interleaved SONET/SDH data from 4-bit 622MHz or 16-bit 155MHz parallel buses onto redundant 2.5Gb/s serial backplane outputs. It also receives two synchronous and serial STS-48/STM-16 signals, recovers the clock, deskews them and then allows hitless selection between the two. Selection criteria can be derived from BER monitoring, in-frame status or signal integrity monitoring. The selected signal is deserialized to a 4-bit 622MHz bus, a 16-bit 155MHz bus or quad STS-12's operating at 622Mb/s. VSC9180 BLOCK DIAGRAM: RXINA+/RXINB+/Dual 2.5GHz CDR DMX The VSC9180 can serialize a 4-bit or 16-bit byte interleaved STS-48/STM-16 bus to working and protection 2.5Gb/s I/O (Non Interleave mode). Alternatively it can recover four serial STS-12 backplane signals, re-align them, and interleave them to form a serial STS-48 signal (Interleave mode). Interleave mode allows the VSC9180 to be used to add 2.5Gb/s backplane connectivity to the VSC9182 40G STS-1 TSI switch, or act as a transponder between existing serial STS-48/STM16 signals to serial STS-12/STM-4 backplane architectures. TOH transparency is preserved and B1 parity is intelligently recalculated for compatibility with the backplane BER monitoring of adjacent devices. DMX B E R A1/A2 Align Deinterleave RXDATA[15:0]+/2:1 TXDATA[15:0]+/- [3:0] STS-12/STM-4 Phase Alignment STS-48/STM-16 Interleaver 16-bit 155MHz 4-bit 622MHz Retiming FIFO [15:0] MUX 2:1 TXOUTA+/- [15:0] [15:0] MUX TXOUTB+/- CMU VSC9180 ARCHITECTURES: W/P STS-48 2.5Gb/s I/O ASIC VSC9180 4-bit 16-bit Byte Interleaved SONET/SDH Bus TimeStream VSC9182 40G TSI W/P STS-48 2.5Gb/s I/O VSC9180 64 x x16 STS-12 TimeStream Backplane STS-48 I/O TimeStream VSC918X VSC9180 4x STS-12 TimeStream Backplane Your 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 741 Calle Plano Camarillo, CA 93012 Tel: 805.388.3700 Fax: 805.388.7565 www.vitesse.com (c)2002 Vitesse Semiconductor Corporation |
Price & Availability of VSC9180
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