WESTLAKE VILLAGE, Calif., June 4 -- Inphi Corp., a privately held high-speed communications company, announced it has received an additional $24 million in its second round of equity funding. This round brings the total investment to date to $36 million and represents a strong vote of confidence in Inphi's 10- and 40-gigabit per second (Gbps) integrated circuit solutions for optical networks, the company said. The lead investor for the Series B funding is Walden International; other participants include MDali-Hook Partners and previous investors Tallwood Venture Capital and Mayfield. Lip-Bu Tan, chairman and founder of Walden International, has joined the Inphi board of directors. Inphi designs and develops opto-electronic integrated circuits for incorporation in OC-192 and OC-768 networking systems.