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INDUS
STS-192 SONET/SDH Interleaver/Disinterleaver
Product Brief
Part Number S19201CAI12, Revision 2.9, March 2003
Features
* Supports the multiplexing and demultiplexing of STS-48/STM16 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 overhead 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 (X7+X6+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 provides 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 channelized OC-192 to STS-48/STS-12/ STS-3/STS-1 framer/pointer processor 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 WDM and DWDM Test equipment
Figure 1: Block Diagram
MX_TOH_FRAME_OUT
DX_REF_CLK_OUT
MX_TOH_DATA-IN
MX_TOH_CLK_OUT
RDYB(DTACKB) BUSMODE APS_INTB UPCLK
SYS_CLK_IN
SYS_SYNC_IN
RSTB INTB D[15:0] ADDR[12:0] CSN WRB(RWB)
LINE SIDE INTERFACE
TOH INSERT
MICROPROCESSOR I/F FRM48
TOH EXTRACT MX_CLK_IN_[1:4] MX_DATA_IN_[1:4]_[15:0]
MX_CLK_OUT MX_DATA_OUT_[15:0]
FRGEN192
X
TOH MONITOR
Interleaver
BUFF x4
x4 TOH MONITOR
DX_DATA_IN_[15:0] DX_CLK_IN LOC DET
LBK SEL
FRAMER192
X
Disinterleaver FRGEN
LINE SIDE INTERFACE
MX_TOH_DROP_FRAME [1:4]
MX_TOH_DATA_OUT [1:4]
MX_TOH_DROP_CLK [1:4]
TOH EXTRACT
TOH INSERT
x4
DX_DATA_OUT_[1:4]_[15:0] DX_SYNC_OUT[1:4] DX_CLK_OUT[1:4]
DX_TOH_FRAME_OUT
Production Release/FINAL Information - The information contained in this document 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.
DX_TOH_DATA_IN[1:4]
DX_TOH_INS_FRAME
DX_TOH_DATA_OUT
DX_TOH_CLK_OUT
DX_TOH_INS_CLK
INDUS
STS-192 SONET/SDH Interleaver/Disinterleaver
Product Brief
Part Number S19201CAI12, Revision 2.9, March 2003
Overview and Applications
SONET Processing
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 section and line Bit Interleaved Parity (B1/B2) for far-end performance 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
The S19201 can be used in either SONET or SDH applications. 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 outputs 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.
On the high-speed side, the S19201 supports 16-bit parallel 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.
Figure 2: Typical Applications: S19201 in a STS-192/AU-4-64 Channelized System
Microprocessor Control 13 Control Addr Reference Clock MX_CLK_OUT SONET Line Side Interface OC-192 Line Interface SerTxD P/S SONET XMIT Fiber Optic & Transceiver SerRxD S/P SONET RCVR with Clk Recovery AMCC S19211 SYS_CLK_IN MX_DATA_OUT[15:0] DX_LOSEXT DX_CLK_IN DX_DATA_IN[15:0] Data MX_DATA_IN_[1]_[15:0] DX_DATA_OUT_[1]_[15:0] RHINE/ MISSOURI MX_DATA_IN_[2]_[15:0] DX_DATA_OUT_[2]_[15:0] RHINE/ MISSOURI MX_DATA_IN_[3]_[15:0] DX_DATA_OUT_[3]_[15:0] RHINE/ MISSOURI MX_DATA_IN_[4]_[15:0] RHINE/ DX_DATA_OUT_[4]_[15:0] MISSOURI MISSOURI - DCS FABRIC RHINE - IP ROUTER Multi Channel Link Layer Device Switching/ Routing Logic 16
AMCC S19201
TOH Insertion and Extraction
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 (c) 2002 Applied Micro Circuits Corporation. All Rights Reserved.
200 Minuteman Road * Andover, MA 01810 * Tel: 978-247-8000 * Fax: 978-623-0024 * http://

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