DIGITAL SUBSCRIBER LINE ACCESS MULTIPLEXER (DSLAM) SG2117/D,

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DIGITAL SUBSCRIBER LINE ACCESS MULTIPLEXER (DSLAM)
SG2117/D,
BENEFITS
Freescale Semiconductor, Inc.
Supports transmission voice data over existing twisted-pair copper infrastructure using transceivers Separates voice from data, routing them onto separate networks Internet access, remote work station LAN/WAN access, frame relay, native Aall supported with DSLAM Serves gateway Subscriber side xDSL solution considered security gateway
OVERVIEW
digital subscriber line access multiplexer (DSLAM) network element defined support high-bandwidth access public network. With ability support data voice services over existing subscriber lines, DSLAM assist local phone service providers ISPs minimizing cost while maximizing efficiency their networks. Multiplexing technology, based time division multiplexing (TDM), switch-based schemes like frame relay, ATM, reduces number physical connections backbone.
PowerQUICCPowerQUICC Integrated Integrated Communications Communications Processor with Processor with
ACell Processor Routing Fabric
Switch Data Carrier
PowerQUICCIntegrated Communications Processor with
SUBSCRIBERS
Queue Mgmt./ Fabric Interface
Queue Mgmt./ Fabric Interface
Trunking Card
Line Cards
More Information This Product, www.freescale.com
PowerQUICCPowerQUICC Integrated Integrated Communications Communications Processor with Processor with
ACell Processor Routing Fabric
PowerQUICCIntegrated Communications Processor with
SUBSCRIBERS
Freescale Semiconductor, Inc.
Switch Data Carrier
Queue Mgmt./ Fabric Interface
Queue Mgmt./ Fabric Interface
Trunking Card
Line Cards
Figure Digital Subscriber Line Access Multiplexer Block Diagram
MOTOROLA ORDERING INFORMATION
Part Number Product Name MPC850 PowerQUICC Integrated Communications Processor Product Highlights 80MHz maximum speed 2K-bytes cache-L1 instructional 1K-byte cache-L1 data 8-entry translation look aside buffers 80MHz maximum speed 4K-bytes cache-L1 Instructional 4K-bytes cache-L1 data parallel bits Additional Information www.motorola.com/netcomm
MPC857T
PowerQUICC Integrated Communications Processor
www.motorola.com/netcomm
MPC860
PowerQUICC Integrated Communications Processor
80MHz maximum speed www.motorola.com/netcomm 4K-bytes cache-L1 instructional (DE, 16K-byte cache-L1 instructional 4K-byte cache-L1 data (DE, 8K-byte cache-L1 data 32-entry translation look aside buffers Enhanced Afunctionality features available "enhanced SAR" (ESAR) mode www.motorola.com/netcomm
MPC862
PowerQUICC Integrated Communications Processor
SG2117-2
Digital Subscriber More Information This Product, Line Access Multiplexer (DSLAM) www.freescale.com
DESIGN CHALLENGES
combination interfaces services present difficult challenge DSLAM implementation, especially light time-to-market constraints. asynchronous traffic mode (ATM)-based DSLAM, interface between DSLAM network will official carrier (OC) level-12 (OC-12), OC-3, DS3, compliant with AForum's specification. DSLAM should support statistical multiplexing, traffic management (TM), cell buffering, cell queuing, priority schemes, fairness algorithms accordance with AForum's specification. Traditional approaches require separate hardware general purpose CPUs each interface type protocol, resulting many individual designs, along with limited reuse software. addition, designers face termination (IPSec) tunnels.
MOTOROLA SOLUTION
Motorola's PowerQUICCIntegrated Communications Processors feature unique dual-processor architecture, core compliant with PowerPC instruction-set architecture that handles system tasks with variety on-board peripherals, standard interface. Additionally, they feature specially designed RISC communications processor with integrated support multiple protocols manage serial communications channels. members Motorola's leading PowerQUICC family integrated communications processors easily upgraded through download microcode packages. These innovative microcode packages provide ideal control data plane functionality, enabling customers reduce time-to-market focusing value-added product elements. This architecture significantly enhances system performance, security efficiency, saving energy consumption, full rate OC-3 (IPSec) support through MPC185 Security Processor. MPC185 Security Processor easily integrated into PowerQUICC systems bus. MPC185 achieves high performance through mastering immediate access system memory. avoiding data transfers across bridges secondary buses, MPC185 provides PowerQUICC system designers with ultimate security chip midrange DSLAM applications. Figure illustrates trunking card connecting DSLAM central office Aswitch data services Public Switched Telephone Network (PSTN) voice services. PowerQUICC Integrated Communications Processor handles call setup, tear-down, card management functions. control path requires low-bit-rate segmentation reassembly (SAR) function support to-DSLAM signaling intra-DSLAM communications, several PowerQUICC family members integrate this important function offer cost-effective, highly integrated solutions. line card provides subscriber interface DSLAM. anatomy very similar trunking card, providing many same features, PowerQUICC family also ideal solution. applications requiring less than full rate, full duplex OC-3 performance, PowerQUICC with multi-service platform (MSP) microcode allows most Aswitching functionality inside device, significantly lowering design cost.
Freescale Semiconductor, Inc.
DEVELOPMENT TOOLS
Tool Type Hardware Development Product Name MPC8XXFADSMB MPC8260ADS-P Vendor Motorola Motorola Description MPC8xx family application development system motherboard MPC8260 application development system
RELATED INFORMATION
inquiries about Motorola products, please contact Technical Information Center 800-521-6247, visit online PowerQUICC Integrated Communications Processors MPC850 family, including MPC850SR MPC857T with enhanced Asupport MPC860 family, including MPC860SAR MPC862 with enhanced Asupport MPC8255, MPC8260, MPC8264, MPC8265 MPC8266 PowerQUICC next-generation family PowerQUICC PowerQUICC microcodes packages provide enhanced forwarding plane features MPC180/184/185 Security Processors Description Network Communications Processors Product Selector Guide Software Development Tools Product Selector Guide
Document Number SG1007/D SG1011/D
Digital Subscriber Line Access Multiplexer (DSLAM) More Information This Product,
www.freescale.com
SG2117-3
REACH
USA/EUROPE/LOCATIONS LISTED: Motorola Literature Distribution P.O. 5405 Denver, Colorado 80217 1-303-675-2140 1-800-441-2447 JAPAN: Motorola Japan Ltd. SPS, Technical Information Center 3-20-1, Minami-Azabu Minato-ku Tokyo 106-8573, Japan 81-3-3440-3569 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd. Silicon Harbour Centre King Street Industrial Estate N.T. Hong Kong 852-26668334 TECHNICAL INFORMATION CENTER: 1-800-521-6274 HOME PAGE:
Freescale Semiconductor, Inc.
Motorola reserves right make changes without further notice products herein. Motorola makes warranty, representation guarantee regarding suitability products particular purpose, does Motorola assume liability arising application product circuit, specifically disclaims liability, including without limitation consequential incidental damages. "Typical" parameters vary different applications actual performance vary over time. operating parameters, including "Typicals", must validated each customer application customer's technical experts. Motorola does convey license under patent rights rights others. Motorola products designed, intended, authorized components systems intended surgical implant into body, other applications intended support sustain life, other application which failure Motorola product could create situation where personal injury death occur. Should Buyer purchase Motorola products such unintended unauthorized application, Buyer shall indemnify hold Motorola officers, employees, subsidiaries, affiliates, distributors harmless against claims, costs, damages, expenses, reasonable attorney fees arising directly indirectly, claim personal injury death associated with such unintended unauthorized use, even such claim alleges that Motorola negligent regarding design manufacture part. Motorola Stylized Logo registered trademarks Motorola, Inc. Motorola, Inc. Equal Opportunity/Affirmative Action Employer. MOTOROLA Stylized Logo registered Patent Trademark Office. other product service names property their respective owners.
Motorola, Inc. 2002
SG2117/D,
More Information This Product, www.freescale.com
June2002

DIGITAL SUBSCRIBER LINE ACCESS MULTIPLEXER (DSLAM) SG2117/D,

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