TI AR7 Gateway Passes DSL Forum's TR-100 Interoperability Test

Texas Instruments Incorporated (TI) [NYSE: TXN] announced its AR7 family of residential gateway solutions demonstrated rate and reach fulfillment with two of the industry’s most widely deployed Digital Subscriber Line Access Multiplexers (DSLAMs) in Annex A, according to DSL Forum Working Text 100 (WT-100).

WT-100 (ADSL2/ADSL2plus Performance Test Plan) became a DSL Forum Technical Report 100 (TR-100) during the DSL Forum meeting last week. The new document is built upon TR-067, which had been drafted for ADSL1 CPE modems but further includes several new tests for features specific to ADSL2/2+ modems, such as Annex L (long reach) and extended framing parameters to achieve higher impulse noise protection at high data rates essential for video delivery.

TR-100 contains a wider set of performance test conditions (loop test, noise case, latency settings, etc.) that cover the entire range of service providers’ deployment models. The document makes use of lessons learned from the years of testing with TR-067 in making more precise definitions on loop and noise simulator calibration procedure to ensure the test repeatability.

The North American performance requirements are generated through an open test event performed in an independent test house as per the conditions clearly defined by the operators and vendors. The European requirements are as proposed by the European operators. As such, major service providers worldwide will require ADSL2/2+ CPE modems to pass the TR-100 test plan before deployment in their networks.

“Initial testing in KTL’s labs produced findings similar to TI’s own results, giving manufacturers a high degree of confidence in the quality of the product. Today, TI’s AR7-based residential gateway products, pre-qualified in TI’s own interoperability lab, are currently in the KTL test program,” said Paul Russell, vice president of sales and marketing at KTL. “This extensive qualification is an increased value-add for TI’s customers, ensuring that they receive products that are ready to deploy, decreasing manufacturer and operator time to market and increasing revenue.”

KTL, an independent testing laboratory (ITL) officially recognized by the DSL Forum with labs in Santa Clara, Calif. and Hull, UK, provides extensive interoperability testing of TI’s residential gateway products. Collaboration with KTL ensures greater interoperability of TI’s products. KTL provides access to network elements from a wide range of DSLAM and CPE vendors, which are used to test TI’s chipsets for interoperability. In addition, TI works with KTL to qualify new product releases and to ensure that products meet operator network requirements for deployment.

KTL is currently testing DSL Forum TR-100 rate and reach fulfillment of TI’s AR7 solutions with DSLAMs in Annex B as well. Results are expected next month.