Concurrent Computer Corp, Oceanport, New Jersey, and Harris Computer Systems Corp, Fort Lauderdale, Florida now have definitive agreement for Harris to sell its real-time computer unit to Concurrent for shares and debt. Harris Computer will retain its Trusted Computer Systems network security business. The deal is now structured so that Concurrent will swap the Harris real-time computer business and 227,726 Harris Computer shares for 10m new Concurrent shares and $10m of convertible, exchangeable preferred stock that pays 9%.