"Four optional peripherals are available for IXO, Inc.'s telecomputing system. These are a 20 column, 30 cps thermal dot matrix printer; a 32 character x 16 line video interface that works with video monitors and television receivers; an RS232C interface to enable the telecomputing system to be utilized with 80 column plus printers; and, for those instances where no modular phone jack is available, an acoustic interface."
