Uchungechunge lwe-ODOT B ludidiyelwe imojuli ye-I/O enezinhlanganisela zemojuli ngaphakathi.Ukunikezwa kwamandla kanye nebhodi le-COMM kuphansi, futhi imojula ye-IO ixhumana nebhodi le-COMM ngendiza engemuva (imojula eluhlaza njengezansi).Ingase isekele ubuningi bokunwebeka bezikhala ezi-4 ze-IO (izikhala ezi-2 kuphela ze-IO ezifakwe kumdwebo ongezansi).