Xircom Inc. Completes Purchase of Primary Rate

Xircom Inc., a Thousand Oaks-based maker of network adapters for portable computers, said it has completed its acquisition of privately held Primary Rate Inc., a producer of computer network products and software.

Xircom said it paid about $48 million in cash and stock for Primary Rate, which will continue to operate from its Salem, N.H., headquarters. Primary Rate’s chief executive officer, Mark Galvin, will continue to oversee operations of the company as a vice president at Xircom.