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- SPI-4.2 abstract "SPI-4.2 is a version of the System Packet Interface published by the Optical Internetworking Forum. It was designed to be used in systems that support OC-192 SONET interfaces and is sometimes used in 10 Gigabit Ethernet based systems.SPI-4 is an interface for packet and cell transfer between a physical layer (PHY) device and a link layer device, for aggregate bandwidths of OC-192 Asynchronous Transfer Mode(ATM) and Packet over SONET/SDH (POS), as well as 10 Gigabit Ethernet applications.SPI-4 has two types of transfers—Data when the RCTL signal is deasserted; Control when the RCTL signal is asserted. The transmit and receive data paths include, respectively, (TDCLK, TDAT[15:0],TCTL) and (RDCLK, RDAT[15:0], RCTL). The transmit and receive FIFO status channels include (TSCLK, TSTAT[1:0]) and (RSCLK, RSTAT[1:0]) respectively.A typical application of SPI-4.2 is to connect a framer device to a network processor. It has been widely adopted by the high speed networking marketplace.The interface consists of (per direction): sixteen LVDS pairs for the data path one LVDS pair for control one LVDS pair for clock at half of the data rate two FIFO status lines running at 1/8 of the data rate one status clockThe clocking is source-synchronous and operates around 700 MHz. Implementations of SPI-4.2 have been produced which allow somewhat higher clock rates. This is important when overhead bytes are added to incoming packets.PMC-Sierra made the original OIF contribution for SPI-4.2. That contribution was based on the PL-4 specification that was developed by PMC-Sierra in conjunction with the SATURN Development Group.The physical layer of SPI-4.2 is very similar to the HyperTransport 1.x interface, although the logical layers are very different.".
- SPI-4.2 wikiPageExternalLink impagreements.html.
- SPI-4.2 wikiPageID "1777155".
- SPI-4.2 wikiPageLength "2052".
- SPI-4.2 wikiPageOutDegree "19".
- SPI-4.2 wikiPageRevisionID "647556212".
- SPI-4.2 wikiPageWikiLink 10_Gigabit_Ethernet.
- SPI-4.2 wikiPageWikiLink Asynchronous_Transfer_Mode.
- SPI-4.2 wikiPageWikiLink Category:Network_protocols.
- SPI-4.2 wikiPageWikiLink FIFO_(computing_and_electronics).
- SPI-4.2 wikiPageWikiLink HyperTransport.
- SPI-4.2 wikiPageWikiLink Link_layer.
- SPI-4.2 wikiPageWikiLink Low-voltage_differential_signaling.
- SPI-4.2 wikiPageWikiLink Network_processor.
- SPI-4.2 wikiPageWikiLink Optical_Carrier_transmission_rates.
- SPI-4.2 wikiPageWikiLink Optical_Internetworking_Forum.
- SPI-4.2 wikiPageWikiLink PL-4.
- SPI-4.2 wikiPageWikiLink PMC-Sierra.
- SPI-4.2 wikiPageWikiLink SDH.
- SPI-4.2 wikiPageWikiLink Physical_layer.
- SPI-4.2 wikiPageWikiLink SATURN_Development_Group.
- SPI-4.2 wikiPageWikiLink Source-synchronous.
- SPI-4.2 wikiPageWikiLink Synchronous_optical_networking.
- SPI-4.2 wikiPageWikiLink System_Packet_Interface.
- SPI-4.2 wikiPageWikiLinkText "SPI-4.2".
- SPI-4.2 wikiPageWikiLinkText "System Packet Interface Level 4 (SPI-4) Phase 2".
- SPI-4.2 wikiPageUsesTemplate Template:Compu-stub.
- SPI-4.2 subject Category:Network_protocols.
- SPI-4.2 hypernym Version.
- SPI-4.2 type Work.
- SPI-4.2 type Protocol.
- SPI-4.2 comment "SPI-4.2 is a version of the System Packet Interface published by the Optical Internetworking Forum.".
- SPI-4.2 label "SPI-4.2".
- SPI-4.2 sameAs Q7392553.
- SPI-4.2 sameAs m.05w2dh.
- SPI-4.2 sameAs Q7392553.
- SPI-4.2 wasDerivedFrom SPI-4.2?oldid=647556212.
- SPI-4.2 isPrimaryTopicOf SPI-4.2.