production release/final information - the information contained in this doc- ument is about a product in its fully tested and characterized stage. all features described herein are supported. contact amcc for updates to this document and the latest product status. product brief indus sts-192 sonet/sdh interleaver/disinterleaver part number s19201cai12, revision 2.9, march 2003 features ? supports the multiplexing and demultiplexing of sts-48/stm- 16 sonet/sdh signals into an sts-192/stm-64 sonet/sdh signal. sonet/sdh low speed side interfaces compatible with amcc?s sts-48/stm-16 devices. supports the transfer of up to four sts-48/stm-16 data streams, carrying any valid combination of sts-48c/au-4-16c, sts-12c/au-4-4c, or sts-3c/au-4 sonet/sdh payloads, to other amcc sonet/sdh pos/atm terminating products. provisionable for performance monitoring & regeneration. terminates & generates sonet/sdh transport/section over- head layers, with toh/soh interfaces in both mux and demux directions, on the high-speed side. provides a 622.08 mhz 16-bit bus interface on the high speed line side interface in both the mx and dx directions. provides four 155.52 mhz 16-bit bus interfaces on the low speed line side in both the mx and dx directions. selectable scrambling/descrambling (x 7 +x 6 +1) of sonet/ sdh frame. 16-bit synchronous microprocessor interface for configuration, control, and status monitoring. supports automatic protection switching (aps). 192x192 cross-connect with sts-1 level granularity. the s19201 is a highly-integrated vlsi device that provides for the multiplexing and demultiplexing of sts-48/stm-16 sonet/ sdh signals into an sts-192/stm-64 sonet/sdh signal. when used in conjunction with amcc?s rhine chip, the indus pro- vides a channelized oc-192 solution down to sts-48/sts-12/ sts-3 signal payloads. when used in conjunction with amcc?s missouri and danube chips, the indus provides a channel- ized oc-192 to sts-48/sts-12/ sts-3/sts-1 framer/pointer pro- cessor solution. the s19201 provides full section and line overhead processing. it also provides sonet/sdh framing, scrambling/ descrambling, alarm signal insertion/detection, and bit interleaved parity (b1/b2) processing. the s19201 is sonet/sdh standards compliant with bellcore gr-253, itu g.707, and ansi t1.105 -1995. a general purpose 16-bit microprocessor interface is provided for control, and monitoring. the interface supports both intel and motorola type microprocessors, and is capable of operating in either an interrupt driven or polled-mode configurations. applications atm switches and packet over sonet routers sonet/sdh add drop multiplexers, terminal multiplexers and digital cross connects wdmanddwdm test equipment figure 1: block diagram toh extract line side interface toh insert dx_data_in_[15:0] dx_clk_in dx_data_out_[1:4]_[15:0] lbk sel toh monitor mx_data_in_[1:4]_[15:0] mx_data_out_[15:0] loc det mx_toh_data-in mx_toh_clk_out mx_toh_frame_out dx_toh_data_out dx_toh_clk_out dx_toh_frame_out d[15:0] addr[12:0] csn wrb(rwb) rdyb(dtackb) busmode intb microprocessor i/f rstb aps_intb interleaver mx_clk_out upclk frgen192 framer192 mx_clk_in_[1:4] dx_clk_out[1:4] dx_sync_out[1:4] buff frm48 x4 x4 frgen x4 x monitor toh x disinterleaver line side interface toh extract mx_toh_data_out mx_toh_drop_clk mx_toh_drop_frame toh insert dx_toh_data_in[1:4] dx_toh_ins_clk dx_toh_ins_frame [1:4] [1:4] [1:4] sys_clk_in sys_sync_in dx_ref_clk_out
amcc reserves the right to make changes to its products, or to discontinue any product or service without notice, and advises its customers to obtain the latest version of relevant information to verify, before placing orders, that the information being relied upon is current. amcc is a registered trademark of applied micro circuits corporation. copyright ? 2002 applied micro circuits corporation. all rights reserved. 200 minuteman road andover, ma 01810 tel: 978-247-8000 fax: 978-623-0024 http:// product brief indus sts-192 sonet/sdh interleaver/disinterleaver part number s19201cai12, revision 2.9, march 2003 overview and applications sonet processing the s19201 can be used in either sonet or sdh applica- tions. on the high-speed side, it interfaces to a sts-192/ stm-64 signal in each direction. on the low-speed side, it interfaces to four sts-48/stm-16 signals in each direction. the s19201 can be used in conjunction with amcc?s rhine, missouri, or danube chips for terminating sts-48/stm-16 payloads. in the multiplex direction, the s19201 accepts four 16-bit parallel sts-48/stm-16 (155 mb/s) signals. the s19201 locates the sts-48/stm-16 frames, descrambles the data, processes the toh bytes (or soh bytes in sdh mode), muxes the four sts-48/stm-16 tributaries. this muxed signal, or the sts-192 from the demux input is then selected as the input to the frgen192. the s19201 then generates the toh bytes (or soh bytes in sdh mode), performs frame synchronous scrambling, and out- puts the data onto a 16-bit bus. in the demultiplex direction, the s19201 accepts a 16-bit wide sts-192/stm-64 signal. the s19201 locates frame in this signal, performs descrambling, and processes the toh bytes. this signal is then selected for disinterleaving. the four tributaries are then output on four 16-bit parallel interfaces. a toh/soh interface provides direct add/drop capability for both section and line overhead. on the multiplex side the s19201 generates section and line overhead. it performs framing pattern insertion (a1, a2), scrambling, alarm signal insertion, and generates sec- tion and line bit interleaved parity (b1/b2) for far-end per- formance monitoring. on the demux side the s19201 processes section and line overhead. it performs framing (a1, a2), descrambling, alarm detection, bit interleaved parity monitoring (b1/b2), and error count accumulation for performance monitoring. high-speed interface on the high-speed side, the s19201 supports 16-bit paral- lel high-speed interfaces, operating at 622 mhz, on both the multiplex and demultiplex side. low-speed interface on the low-speed side, the s19201 supports four 16-bit parallel high-speed interfaces operating at 155 mhz. mx_data_out[15:0] sys_clk_in dx_clk_in dx_data_in[15:0] serrxd sertxd microprocessor control control reference clock fiber optic transceiver sonet line side interface dx_losext s19201 amcc addr data 13 toh insertion and extraction oc-192 line interface amcc s19211 16 mx_data_in_[1]_[15:0] dx_data_out_[1]_[15:0] rhine/ multi channel link layer device rhine - ip router switching/ routing logic mx_clk_out missouri rhine/ missouri rhine/ missouri rhine/ missouri missouri - dcs fabric p/s with clk recovery & s/p sonet rcvr sonet xmit mx_data_in_[2]_[15:0] dx_data_out_[2]_[15:0] mx_data_in_[3]_[15:0] dx_data_out_[3]_[15:0] mx_data_in_[4]_[15:0] dx_data_out_[4]_[15:0] figure 2: typical applications: s19201 in a sts-192/au-4-64 channelized system
|
