A Primer On ATCA And MicroTCA

December 2005
Business Communications Review;Dec2005, Vol. 35 Issue 12, p34
Trade Publication
The article presents information on the new industry standards for telecom equipment Advanced Telecom Computing Architecture (ATCA) and Micro Telecommunications Computing Architecture (MicroTCA). The telecom equipment industry is characterized by proprietary designs, resulting in relatively high prices and low unit volumes. The ATCA standards formed by PICMG in 2001 will help to develop a PC-style modular approach to telecom equipment. These standards will permit multiple vendors to build cards and boards for switch/routers and allow these cards and boards to be used in multiple applications and in multiple vendor product lines, thus improving product reliability and driving down prices. A subgroup within ATCA, MicroTCA, was intended to be a lower-cost version of ATCA, aimed at telecom carrier outside plant environments, such as remote terminals, subscriber loop carrier and wireless base stations. The ATCA AMCs would connect directly onto a chassis backplane in Micro TCA's without the need to be mounted on an intermediary carrier card.


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