document number: TXC-06710-mc ed. 3, may 2002 ? single sts-48/stm-16 or 4xsts-12/stm-4 line-side interfaces on-chip 622 mhz clock synthesis 4xsts-12/stm-4 and sts-48/stm-16 framing transport overhead termination and processing supports contiguous concatenation at sts-1 granularity pointer tracking at au-4-16c/au-4-4c/au4/au3/tu3 levels full duplex cross connect at both sts-1-vc-3 and tu-3-vc-3 granularity, with facility for line and terminal side sts-1 path level loopbacks full path overhead processing and termination, at the ho/lo path level. retiming at ho path level (sts-1 through sts-48/48c level) ring ports, k1/k2 ports, toh and poh ports for toh/poh bytes full support for ho virtual concatenation to ansi t1.105/ itu-t g.707/g.783 with or without lcas (itu-t g.7042) terminal-side interfaces for 4x gmii interfaces (gigabit ethernet with mac) and up to 24x smii interfaces (100 mbit/s ethernet) terminal-side serial data and reference clock interfaces for the 4x1.25 ghz serdes for 8b/10b block encoded clients provides ethernet 100/1000 mbit/s framed pdu mapping over gfp (itu-t g.7041) or laps (itu-t x.86) provides transparent gfp mapping for standard 8b/10b block coded clients, such as gigabit ethernet, fibre channel (ansi x3.230), escon (ansi x3.296), and ficon. provides configuration and flow control support for over- subscribed operation of gigabit ethernet (4xgige into a single oc-48) or fast ethernet clients mailbox interface with api for device configuration with higher level messages 2.5 v/3.3 v i/o, 1.3 v core 676-lead sfc ball grid array package the ethermap ? -48 device is a highly integrated, sts-48/stm-16 rate sonet/sdh vlsi device, for mapping of gigabit/100baset ethernet and 8b/10b block encoded traffic like gigabit ethernet, fibre channel, ficon, escon into sonet/sdh transport. the ethermap-48 addresses metro applications such as the transport of switched ethernet for point-to-point connections of aggregated ethernet and packet traffic, and storage area networks (san). the ethermap-48 sonet/sdh interface consists of one full duplex sts-48/stm-16 channels, which can also operate at a 4xsts-12/ stm-4 rate. the ethermap-48 provides single oc-48 or quad oc-12 framing. there is full toh/poh processing and monitoring, along with full virtual concatenation and lcas support. the ethermap-48 ethernet interface consists of four 1.25ghz serdes for the 8b/10b clients, including gigabit ethernet, and 4xgmii interfaces for gigabit ethernet, lead-multiplexed with 24xsmii fast ethernet interface. over-subscription for mapping four gigabit ethernet streams into a single sts-48/stm-16 by statistical multiplexing are supported via configuration and built-in flow control mechanisms. sonet/sdh add/drop and terminal multiplexers multi-service access platforms next generation ethernet switches storage area network equipment transparent lan services ethernet private line services copyright ? 2002 transwitch corporation ethermap is a trademark of transwitch corporation transwitch and txc are registered trademarks of transwitch corporation ethermap-48 oc-48 sonet/sdh ethernet mapper boundary scan microprocessor interface signals line side terminal side TXC-06710 control & clock external sonet/sdh line interface: 4x1.25 ghz 8b/10b 4xgbe gmii 125 mhz/ ser. interfaces regen/multiplex toh port ring port, aps port eeprom serial interface sdram 1xoc-48/ 4xoc-12 4x10b/24xsmii interfaces ho/lo path poh port ring port ethermap ? -48 device oc-48 sonet/sdh ethernet mapper TXC-06710 product information proprietary transwitch corporation information for use solely by its customers applications description features transwitch corporation ? 3 enterprise drive shelton, connecticut 06484 usa tel: 203-929-8810 fax: 203-926-9453 www.transwitch.com
application diagram related products txc-04226 ethernet into sts-3/stm-1 sonet/sdh mapper vlsi device (ethermap-3) txc-06212 programmable, high performance atm/ppp/tdm sonet/sdh terminator for level 12 with enhanced features vlsi device (phast-12e) further information contact transwitch for technical and ordering information on these products. ethernet/fiber channel over sonet application network ring ring oc-48/4xoc-12 oc-48/4xoc-12 toh gmii i/f 4xgmii+ nx100 ethermap-48 TXC-06710 ip router lan wan toh 4xgmii+ nx100 ethermap-48 TXC-06710 gmii i/f ip router lan wan fibre chnl san 10b ser i/f 10b ser i/f 10b ser i/f fibre chnl san 10b ser i/f document number: TXC-06710-mc ed. 3, may 2002 ethermap-48, TXC-06710 proprietary transwitch corporation information for use solely by its customers transwitch reserves the right to make changes to the product(s) or circuit(s) described herein without notice. no liability is assumed as a result of their use or application. no rights under any patent accompany the sale of any such product or circuit. transwitch corporation 3 enterprise drive shelton, connecticut 06484 usa tel: 203-929-8810 fax: 203-926-9453 www.transwitch.com
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