The acquisition of MRV Communications Inc. was finalized Monday by a German telecommunications supplier.

Adva Optical Networking validly tendered about 79 percent of the outstanding MRV shares as of Friday and on Monday acquired the remaining shares of the Chatsworth company. The total transaction was valued at $69 million.

MRV becomes a subsidiary of Adva in Munich and will no longer trade on the Nasdaq.

MRV supplies equipment and software to manage large computer networks operated by telecom service providers, cable television operators, manufacturers and other large public and private entities. It has about 235 employees.

Shares closed down 2 cents, or a fraction of a percent, to $9.98 on the Nasdaq.