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| network access products AccessRunnerTM Central Office ADSL Modem CN9001 Low-Power, High-Density, Full-Rate G.lite Solution The Conexant AccessRunnerTM Central Office ADSL modem device set offers standards compliant, full-rate and G.lite functionality with extended reach as a high-density, low-power solution. The device set is fully compliant with ANSI T1.413 Issue 2, ITU G.992.1 (G.DMT), and ITU G.992.2 (G.lite) standards. It supports a downstream data rate of up to 8 Mbps (full rate)/1.5 Mbps (G.lite) and an upstream data rate of 1 Mbps (full rate)/512 Kbps (G.lite). AccessRunner is designed for multiport solutions and works in conjunction with the existing microprocessor on a linecard. Power consumption is only 790mW per port (excluding the line driver). Each port occupies less than two square inches of board space, including the datapump, AFE, line driver, hybrid, transformer, and line protection circuitry. Distinguishing Features * Compliant with ANSI T1.413 Issue 2, ITU G.992.1 (G.DMT), and ITU G.992.2 (G.lite) ADSL Standards * Two-chip solution, including ATM TC, ADSL DSP analog front-end, receive , op-amp, and receive filters * Only 790mW per port (excluding line driver) * Less than two square inches per port for fully implemented solution * Trellis coding and digital echo cancellation for extended reach * Interoperable G.lite and full-rate operation * Industrial operating temperature range (-40 to +85 C) AccessRunner combines the flexibility of a programmable solution with the low power, high performance, and low cost of a customized DMT transceiver. The AFE is optimized for the datapump, with integrated receiver op-amp and receive filters to reduce board space and bill of materials. features and specifications Actual Size Further Information literature@conexant.com (800) 854-8099 (North America) (949) 483-6996 (International) Order # 100656A 00-0432 Network Access Printed in USA Europe North - England Phone: +44 1344 486444 Fax: +44 1344 486555 Europe - Israel/Greece Phone: +972 9 9524000 Fax: +972 9 9573732 Europe South - France Phone: +33 1 41 44 36 51 Fax: +33 1 41 44 36 90 Europe Mediterranean - Italy Phone: +39 02 93179911 Fax: +39 02 93179913 Europe - Sweden Phone: +46 (0) 8 5091 4319 Fax: +46 (0) 8 590 041 10 Europe - Finland Phone: +358 (0) 9 85 666 435 Fax: +358 (0) 9 85 666 220 World Headquarters 11627 Datapump #1 20449 AFE #1 Line Driver #1 Conexant Systems, Inc. 4311 Jamboree Road Newport Beach, CA 92660-3007 Phone: (949) 483-4600 Fax 1: (949) 483-4078 Fax 2: (949) 483-4391 Data Interface Port 1 Americas Linecard Microcontroller Linecard Glue Logic U.S. Northwest/Pacific Northwest - Santa Clara Phone: (408) 249 -9696 Fax: (408) 249 -7113 U.S. Southwest - Los Angeles Phone: (805) 376 -0559 Fax: (805) 376 - 8180 Port n U.S. Southwest - Orange County Phone: (949) 483-9119 Fax: (949) 483-9090 U.S. Southwest - San Diego Phone: (858) 713-3374 Fax: (858) 713-4001 U.S. North Central - Illinois Phone: (630) 773-3454 Fax: (630) 773 -3907 U.S. South Central - Texas Phone: (972) 733-0723 Fax: (972) 407- 0639 U.S. Northeast - Massachusetts Phone: (978) 367-3200 Fax: (978) 256 - 6868 U.S. Southeast - North Carolina Phone: (919) 858 -9110 Fax: (919) 858 - 8669 U.S. Southeast - Florida/ South America Phone: (727) 799 - 8406 Fax: (727) 799 - 8306 U.S. Mid-Atlantic - Pennsylvania Phone: (215) 244- 6784 Fax: (215) 244- 9292 Canada - Ontario Phone: (613) 271-2358 Fax: (613) 271-2359 Datapump Control AFE Control Asia - Pacific Taiwan Phone: (886 -2) 2-720-0282 Fax: (886 -2) 2-757- 6760 Australia Phone: (61-2) 9869 4088 Fax: (61-2) 9869 4077 China - Central Phone: 86 -21- 6361-2515 Fax: 86 -21- 6361-2516 China - South Phone: (852) 2 827- 0181 Fax: (852) 2 827- 6488 China - South (Satellite) Phone: (86) 755 -5182495 China - North Phone: (86 -10) 8529 - 9777 Fax: (86 -10) 8529 - 9778 India Phone: (91-11) 692-4789 Fax: (91-11) 692 -4712 Korea Phone: (82-2) 565-2880 Fax: (82-2) 565-1440 Korea (Satellite) Phone: (82-53) 745-2880 Fax: (82-53) 745-1440 Singapore Phone: (65) 737 7355 Fax: (65) 737 9077 Japan Phone: (81-3) 5371 1520 Fax: (81-3) 5371 1501 Linecard Memory Data Interface 11627 Datapump #n 20449 AFE #n Line Driver #n Product Features ADSL DMT Datapump * Fixed function, parameter programmable DSP specifically designed for DMT ADSL , * Low power consumption (790mW per port) * Supports ANSI T1.413 Issue 2, ITU G.dmt (G.992.1 Annex A) and ITU G.lite (G.992.2 Annex A) standards * No external interleave RAM required - 16K bytes built in * Central office or remote terminal configurable * Reed-Solomon Forward Error Correction (FEC) * Echo cancellation * Rate adaptation * Packaging: 13mm x 13mm 176-pin CABGA or 176-pin TQFP * Device Number: 11627 * Received signal path includes: - Integrated hybrid receiver circuit with programmable gain to help reduce discrete component count and board space - Low pass filtering and 27 dB of Automatic Gain Control (AGC) to improve signal to echo ratio - 14-bit ADC * Transmitted signal path includes: - 30 dB of AGC for transmit power control - High pass filtering to suppress noise - 14-bit DAC * Packaging: 32-pin TQFP * Device Number: 20449 Software Features * Common API commands allow simple migration among Conexant xDSL products * Control Code, in C, can be ported to linecard's own processor. The Control Code (256 KB common among all ports with additional 16 KB for each port) includes DMT API, AFE API, and Controller API * Single host interface API allows control of all ports * Upgradeable code The chipset has been tested and verified with several line drivers for optimum performance. Analog Front End * Low power consumption (200mW) * Low-power tone detection mode for G.lite * Independent daisy chained digital serial data and control interfaces help reduce package size and board routing complexity Europe Europe Central - Germany Phone: +49 89 829 -1320 Fax: +49 89 834-2734 AccessRunner, Conexant, and the Conexant symbol are trademarks of Conexant Systems, Inc. www.conexant.com |
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