There is a new end of marketing announcement (eom) that may be of interest for you. Today it was announced that the IBM 3592 Tape Controller Model C07 and select features will be withdrawn from marketing effective on November 13, 2015. That is on or after the effective date of withdrawal, you can no longer order these products directly from IBM. Available options to replace Tape Controller Model C07 for connectivity in mainframe environments are described in the corresponding RFA. The link to the RFA is here .