Maxim's Ethernet-Over-PDH Mapper Simplifies Design, While Reducing the Cost, Power, and Size of Carrier Ethernet Applications

SUNNYVALE, CA -- (MARKET WIRE) -- Apr 29, 2008 -- Maxim Integrated Products (PINKSHEETS: MXIM) introduces the DS33X162, the Company's first highly integrated Ethernet-over-PDH (EoPDH) mapping device. The DS33X162 enables the delivery of new Carrier Ethernet services over the existing PDH telecommunications infrastructure.

Synopsis for Investor:

--  The primary application of the DS33X162 is Ethernet access equipment.
--  The DS33X162 includes functions that elevate Ethernet to "Carrier
    Grade" service quality. Telecom carriers can now sell new Ethernet services
    while reusing their installed base of PDH equipment.
--  With its highly integrated capabilities and minimal software
    requirements, the DS33X162 vastly simplifies the design effort for Carrier
    Ethernet products. No NPUs or costly, power-hungry field-programmable gate
    arrays (FPGAs) are required.
--  Extremely flexible, the DS33X162 transports Ethernet over up to 16
    T1/E1 or 8 DS3 lines and meets all of the ITU's new Ethernet-over-PDH
    standards; prior solutions only allowed partial implementation of the
    specs.
    

The DS33X162's configuration is extremely flexible for ease of design. It allows Ethernet transport from a single GbE or dual 10/100 Ethernet interfaces, and supports up to 16 T1/E1 links or 8 DS3 links with over 400Mbps throughput. The DS33X162 thus covers the complete range of configurations defined in the EoPDH standards.

Overcoming Traditional Ethernet Mapping Challenges

Prior to the DS33X162, designing equipment to utilize the full range of the ITU EoPDH standards required the use of complex NPUs or costly field-programmable gate arrays (FPGAs).

NPU solutions require software to process each Ethernet frame in the data path, leading to service outages when software errors occur. The DS33X162's data and control plane separation removes the need for software to process the data path, but still allows software interaction for management and value-adding functions.

FPGAs are expensive and power-hungry. FPGA solutions with features and capabilities comparable to the DS33X162 cost up to 2x more and require 3x to 4x the power.

Other integrated ASIC solutions do not have the throughput, scalability, and breadth of features of the DS33X162. Some ASICs even require expensive NPUs to perform Operation and Maintenance (OAM) functions. Advancements over previous solutions include QoS, VLAN tagging, and hardware support for Ethernet OAM -- all at less than 1W in most applications.

The DS33X162 Advantage

DS33X162 functions elevate Ethernet to "Carrier Grade" service quality. The device performs Ethernet frame encapsulation in GFP-F, HDLC, or X.86 (LAPS). It also performs ingress policing, Ethernet service profiling, VLAN-based forwarding, priority-based forwarding, VLAN tagging, quality of service (QoS) priority scheduling, and enables Ethernet OAM. These functions are important attributes for delivering Carrier Ethernet services, as defined by the Metro Ethernet Forum. The distribution of traffic over multiple physical links is supported through hardware implementations of the VCAT and LCAS protocols. These protocols have been used extensively in SONET/SDH optical networks, but have recently been extended to wired networks through new standards, primarily ITU-T G.7041, G.7042, G.7043, and G.8040. The DS33X162 complies with these and many other telecommunications standards.

This new Ethernet mapper thus enables telecom carriers to provide new Ethernet services, while reusing their installed base of PDH facilities and equipment. The DS33X162 meets all of the ITU's new Ethernet-over-PDH standards; prior solutions only allowed for partial implementations of the specifications.

With its highly integrated capabilities and minimal software requirements, the DS33X162 vastly simplifies the design effort for Carrier Ethernet products. Applications include Ethernet access equipment, multiservice provisioning platforms (MSPPs), microwave radios, WAN bridges and routers, demarcation devices, CPE modems, IP DSLAM uplinks, and media converter devices.

The Company's new Ethernet mapping product family includes nine devices starting with the 16-port DS33X162. Various other port configurations will be available, down to the single-port DS33X11. Customers can choose the optimal feature set required for each application. Devices in the 4- to 16-port range share a common footprint. All devices in the family share a common software architecture.

The DS33X162 is available in a 17mm x 17mm, 256-pin CSBGA package and is specified over the extended-industrial temperature range (-40 degrees Celsius to +85 degrees Celsius). Pricing for the 16-port DS33X162 starts at $73.11 (5000-up, FOB USA). Pricing for the single-port DS33X11 is $17.33 (5000-up, FOB USA). The DS33X162DK design kit and free software drivers are available to simplify application development. For more information, please visit: http://www.maxim-ic.com/EoPDH-Mapper.

Maxim Integrated Products, a two billion dollar company, designs and manufactures ICs for analog and mixed-signal applications. The company has designed over 5400 products, more than any other analog semiconductor company, in the 25 years since its founding.

Editors' Contact:
Drew Ehrlich
Public Relations
408-737-7600

Readers' Contact:
Customer Service
1-800-998-8800





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