Rafael Fernandez has been named vice president, Latin America sales, commercial/consumer networks business at 3Com Corp. Fernandez had been regional manager, Mexico and Central America. Juan Pablo Pazos has been named director of marketing and business development, commercial/consumer networks business. He had been regional manager, Andean and Caribbean. Rui Teixeira has been named director of marketing, carrier-systems business. He had been director of sales for large enterprise, Latin America.