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MEKONGAC
SONET/SDH STS-192/STM-64 MUX/DEMUX with Pointer Processor
Features
* SONET/SDH Mux/Demux, Transport Overhead Terminating Transceiver, and Pointer Processors for an STS-192/STM-64 and up to 4 x STS-48/STM-16s. * Pointer Processors support standard SONET/SDH payload types as well as STS-6c/9c/24c and AU-4-2c/3c/8c payload types. * Provisionable as SONET or SDH on a per line basis. * Provisionable pointer processor bypass available for STS-192 to STS-192 operation (through-timing). Both a full bypass (no frame regeneration) as well as a pointer processor bypass (frame generation enabled) are provided. * High-speed side supports a 622 MHz 16-bit STS-192/STM-64 interface. * Low-speed side supports a 622 MHz 16-bit STS-192/STM-64 interface or four 622 MHz 4-bit STS-48/STM-16 interfaces. * Cross-connects, in both directions, with STS-1 level granularity. * Provisionable as SOH/LOH pass-through or termination/regeneration device. * Compliant with ITU G.707, Bellcore GR-253, and ANSI T1.105 standards.
Product Brief
Part Number S19223CBI11, Revision 1.3, May 2003
Multiplex Direction
* Multiplexes 4 STS-48/STM-16 tributaries into an STS-192/ STM-64 or bypass for STS-192/STM-64-to-STS-192/STM-64 connections. * Selector for choosing high or low-speed interfaces, Deskew Buffers, or APS inputs. * STS-192/STM-64 framer. * Non-Intrusive TOH Monitoring for all inputs: STS-192/STM-64 or 4x STS-48/STM-16. * TOH can be either terminated/regenerated, or transparently passed-through the device on a per function basis, in both through-timing and pointer processing applications. Demultiplex Direction * Demultiplexes an STS-192/STM-64 into 4 STS-48/STM-16 connections or supports a bypass mode for STS-192/STM-64to-STS-192/STM-64 connections. * Selector for choosing demultiplexed tributaries from highspeed interface, low-speed interfaces or from APS inputs. * Non-Intrusive STS-192/STM-64 Frame and TOH Monitor. * TOH can be either terminated/regenerated, or transparently passed-through the device on a per function basis. * STS-192/STM-64 or 4 x STS-48/STM-16 framer(s). * Configurable TOH Generators for STS-192/STM-64 or STS-48/ STM-16 outputs.
Figure 1: Block Diagram
MX_ALM[1:4] MX_LOSEXT[1:4] MX_TOH_LSDATA_OUT[1:4] MX_TOH_LSSYNC_OUT[1:4] MX_TOH_LSCLK_OUT[1:4]
MXPROTDATA_OUT_[1:4][3:0] MX_PROT_CLK_OUT
MXPROTDATA_IN_[1:4][3:0] MX_PROT_CLK_IN MX_PROT_REFCLK_IN
MX_TOH_HSDATA_IN[3:0] MX_TOH_HSFRM_OUT MX_TOH_HSCLK_OUT MX_TOH_HSEN TOH INSERT
4xFR48 / FR192
RX FRMRS
MX_LSCLK_IN[1:4] MX_LSDATA_IN[1:16] or MX_LSDATA_IN[1:4][3:0]
TOH DROP
MUX
16
TOH_Remap
PNTR PROC./
RSTB INTB D[15:0] ADDR[13:0] CSN WRB(RWB) RDYB(DTACKB) BUSMODE APS_INTB UPCLK
MICROPROCESSOR I/F
MX_REFCLK_IN SYS_REFCLK_OUT[1:4] MX_HSCLK_OUT MX_HSDATA_OUT[15:0]
DSKEW
POH MON
DMUX
M U X
X
TOH INSERT
FRGN192
4xFR48 / 1xFR192
TX FRAMGEN
Low-Speed Interface
DX_LSDATA_OUT[1:16] or DX_LSDATA_OUT[1:4][3:0] DX_LSCLK_OUT[1:4]
Mux Direction
FRAM192
M U X
TOH_Remap
PNTR PROC
High-Speed Interface
DX_HSCLK_IN DX_HSDATA_IN[15:0]
TOH INSERT DX_TOH_LSDATA_IN[1:4] DX_TOH_LSEN_IN[1:4] DX_TOH_LSFRM_OUT[1:4] DX_TOH_LSCLK_OUT[1:4]
FINAL/ PRODUCTION RELEASE Information - The information contained in this document is about a product in its fully tested and characterized phase. All features described herein are supported. Contact AMCC for updates to this document and the latest product status.
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X
MUX 16 DX_PROT_REFCLK_IN DX_PROT_CLK_IN DX_PROT_DATA_IN_[1:4][3:0] DX_PROT_CLK_OUT[1:4] DX_PROT_DATA_OUT_[1:4][3:0] DX_REFCLK_IN DX_FRMSYNC_IN
POH MON
Demux Direction
TOH DROP 16 DX_ALARM_OUT DX_LOSEXT DX_TOH_HSDATA_OUT[3:0] DX_TOH_HSFRM_OUT DX_TOH_HSCLK_OUT
GPIO[15:0] TDO TCK TMS TDI TRSTB TS_EN TEST_CLK TEST_EN
MEKONGAC
SONET/SDH STS-192/STM-64 MUX/DEMUX with Pointer Processor
Product Brief
Part Number S19223CBI11, Revision 1.3, May 2003
Overview and Applications
SONET Processing
The S19223 can be used in either SONET or SDH applications. On the low-speed side, it can interface to 4 STS-48/STM-16 or 1 STS-192/STM-64 signal in each direction. On the high-speed side, it can interface to 1 STS-192/STM-64 signal in each direction. In the demultiplex direction, the S19223 accepts a 622 MHz 16-bit STS-192/STM-64 signal. There are several modes of operation that the S19223 supports in the demultiplex direction. The S19223 provides a full bypass mode, as well as a pointer processor bypass mode. In the full bypass mode, the S19223 simply passes the incoming STS-192/STM-64 signal directly through to the Demux output. Framing, descrambling and TOH monitoring are performed off-line, in a non-intrusive manner for monitoring purposes only. No pointer processing, cross connection or frame generation is performed. In pointer processor bypass operation, the S19223 locates the incoming STS-192/STM-64 frame, optionally descrambles the data, and non-intrusively monitors the TOH. The STS-192/STM64 signal is then passed directly to the frame generation block, in which outgoing TOH overhead bytes can be provisionally regenerated, on a per function basis. Again, no pointer processing is performed, and the cross-connect block is bypassed. For applications requiring pointer processing, the S19223 supports standard payload types STS-192c to STS-1 and Arbitrary Concatenation payload types STS-6c/9c/24c, as well as their SDH equivalent. The S19223 locates frame in the incoming STS192/STM-64 signal, performs descrambling, monitors the TOH bytes, and then performs pointer processing. The pointer processor provides a mode in which the incoming TOH bytes transparently pass through the pointer processor to the corresponding locations in the TOH of the outgoing tributaries. The TOH bytes involved in this transparent pass-through mode include the defined overhead bytes for the constituent STS-48/STM-16 or STS-192/STM-64 signals. A 4xSTS-48/STM-16 mux, with inputs from the MX and DX LINE and APS inputs, and a 192x192 crossconnect block is available after the pointer processor. This MUX/ cross-connect block can be used to select STS-1 from any of the demuxed tributaries, tributaries from the low-speed mux inputs, or tributaries from the DX and MX APS interfaces to place into any one of the outgoing STS-1 time slots in any of the outgoing signals in the demux direction. Whether the signal contains an STS192c/AU-4-64c payload or a STS-192/AU-4-64 payload, the S19223 can demultiplex the signal to 4 STS-48/STM-16 tributaries. The selected tributaries then proceed in the demux direction to frame generators that provisionally generate the TOH/SOH bytes, perform scrambling, and output the data. Alternatively, the overhead data can be transparently passed through the from the demux input to the demux output(s). In the multiplex direction, the S19223 accepts a single 16-bit wide 622 MHz STS-192/STM-64 signal or 4 STS-48/STM-16 signals. There are several modes of operation that the S19223 supports in the multiplex direction. For STS-192 only operation, the S19223 provides a full bypass
mode, as well as a pointer processor bypass mode. In the full bypass mode, the S19223 simply passes the incoming STS-192/ STM-64 signal directly through to the mux output. Framing, descrambling and TOH monitoring are performed off-line, in a non-intrusive manner for monitoring purposes only. No pointer processing, cross connection or frame generation is performed. In pointer processor bypass operation, the S19223 locates the incoming STS-192/STM-64 frame, optionally descrambles the data, and non-intrusively monitors the TOH. The STS-192/STM64 signal is then passed directly to the frame generation block, in which outgoing TOH overhead bytes can be provisionally regenerated, on a per function basis. Again, no pointer processing is performed, and the cross-connect block is bypassed. The S19223 also supports an Inverse Multiplexing mode, where four incoming STS-48/STM-16 signals that are frequency locked and framed aligned to each other, within 500 nsecs, can be interleaved to create an STS-192/STM-64 signal, and if required, pointer processed. For applications requiring pointer processing, the S19223 supports standard payload types STS-192c to STS-1 and Arbitrary Concatenation payload types STS-6c/9c/24c, as well as their SDH equivalent. The S19223 locates the incoming STS-192/ STM-64 or STS-48/STM-16, frames (from either the incoming mux tributaries, or via the Deskew Buffers), descrambles the data, non-intrusively monitors the TOH/SOH bytes and then performs pointer processing for all valid combinations of STS-192C/AU-464c, STS-48c/AU-4-16c, STS-12c/AU-4-4c, STS-3c/AU-4-4c or STS-1/AU-3 signals. The pointer processor also provides a mode in which the incoming TOH bytes transparently pass through the pointer processor to the corresponding locations in the TOH of the outgoing tributaries. The TOH bytes involved in this transparent pass-through mode include the defined overhead bytes for the constituent STS-48/STM-16 or STS-192/STM-64 signals. A 4xSTS-48/STM-16 mux, with inputs from the MX and DX LINE and APS inputs, and a 192x192 cross-connect block is available after the pointer processor. This MUX/cross-connect block can be used to select STS-1 from any of the incoming mux tributaries, tributaries from the high-speed Pointer Processor outputs, or tributaries from the DX and MX APS interfaces to place into any one of the outgoing STS-1 time slots in the outgoing STS-192/STM-64 signal in the mux direction. After the MUX/Cross-Connect block, the STS-192/STM-16 muxed signal then proceeds to a frame generator that provisionally generates the TOH/SOH bytes, performs scrambling, and outputs the data. Alternatively, the overhead data can be transparently passed through from the mux inputs to output.
Low-Speed Interfaces
On the low-speed side, in both the mux and demux directions, the S19223 supports either a 16-bit wide, 622 Mb/s STS-192/STM-64 signal, or four 4-bit wide, 622 Mb/s STS-48/STM-16 signals. The S19223 is designed to bolt directly to AMCC SERDES and Clock Recovery Unit devices. (See figure below.)
High-Speed Interface
On the high-speed side, in both the mux and demux directions, the S19223 supports a 16-bit wide, 622 Mb/s STS-192/STM-64 signal.
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Empowering Intelligent Optical Networks
MEKONGAC
SONET/SDH STS-192/STM-64 MUX/DEMUX with Pointer Processor
Product Brief
Part Number S19223CBI11, Revision 1.3, May 2003
Controller Interface
A high-speed synchronous microprocessor interface is provided for configuration and monitoring. S19223 provides numerous automatic monitoring functions. It can be configured to provide an interrupt to the control system, or it can be operated in a polled mode.
Applications
* * * WDM and DWDM SONET/SDH Add Drop Multiplexers, Terminal Multiplexers and Digital Cross Connects ATM switches and Packet over SONET Routers
Figure 2: TYPICAL APPLICATIONS - S19223 in a STS-192/AU-4-64 channelized system
Microprocessor Control 14 Control Addr Reference Clock Data MX_LSDATA_IN_[1]_[3:0] DX_LSDATA_OUT_[1]_[3:0] MX_HSCLK_OUT P/S MX_REFCLK_IN SONET XMIT MX_HSDATA_OUT[15:0] & SerRxD S/P DX_LOSEXT SONET RCVR DX_HSCLK_IN with Clk Recovery DX_HSDATA_IN[15:0] SerTxD AMCC S19235 MX_LSDATA_IN_[2]_[3:0] SerRxD S3485 SerTxD XCVR SerRxD S3485 SerTxD XCVR SerRxD S3485 XCVR SerTxD SerRxD S3485 XCVR SerTxD 16
FO XCVR FO XCVR FO XCVR FO XCVR
SONET OC-48 SONET OC-48 SONET OC-48 SONET OC-48
SONET Line Side Interface OC-192 Line Interface
FO XCVR
S19223
MEKONGAC
DX_LSDATA_OUT_[2]_[3:0] MX_LSDATA_IN_[3]_[3:0] DX_LSDATA_OUT_[3]_[3:0] MX_LSDATA_IN_[4]_[3:0] DX_LSDATA_OUT_[4]_[3:0]
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://www.amcc.com For technical support, please call 800 840-6055 or email productsupport@amcc.com
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