Profile: Intercom Computer Systems, Inc. specializes in design, manufacturing and support of computer peripheral systems for mainframes, midrange systems & local area networks. Our channel and storage products include mainframe tapes, virtual tapes, optical tapes, manual & automatic/programmable SCSI switches. Our I-5590/6590 mainframe tape is a controller for removable media devices for the IBM mainframe and midrange systems. The I-5590/6590 provides full backward compatibility for 9-track tape, 18-track tape and 36 track tape cartridges. Host connectivity is provided over ESCON or block multiplex channels (BMC) and may be mixed on the same unit. The system is supported under IBM z/OS, MVS, VM, VSE, AS/400 and RS6000. Other supported technologies include STK 9840, DLT, AIT, IBM 3570, LTO, DVD and Optical disk.