Petaluma networking equipment maker Calix reported sales rose to a record $90.5 million in the first quarter, up 15 percent from a year ago.

"These results reflect our success in penetrating new customer accounts and expanding our addressable market," Calix president and CEO Carl Russo said in a statement.

The company posted a first-quarter loss of $6.2 million, or 13 cents per share, compared to a loss of $7.5 million, or 16 cents per share, a year ago.

Excluding one-time expenses and other charges, Calix beat Wall Street expectations with adjusted profits of $3.2 million, or 6 cents per share, in the first quarter. A year ago, it posted adjusted profits of $621,000, or a penny per share.