Strategic investors have backed US-based telecoms equipment company ClariPhy Communications’ $24m of third round funding.

Nasdaq-listed equipment making peer Oclaro led the series C round for ClariPhy, and said it invested $7.5m.

The remainder of the C round came from undisclosed strategic investors and its existing venture capital backers Norwest Venture Partners, Allegis Capital, Onset Ventures and Pacific General Partners.

ClariPhy closed its series A round in February 2006 at $13m and held an undisclosed series B round in…