850

The ATARI 850 Interface Module allows communication between your ATARI Personal Computer and RS-232-C peripherals.
The ATARI 410 Program Recorder disk driver ATARI 820 Printer and devices plugged in to a controller jack function without the interface module.
The interface module connects between the computer console and the peripherals.
The interface module has four serial ports and one parallel port which is referred to as the Printer Port.
The interface module contains a processor and memory and programmable ports.
The programming of the interface module is controlled from the ATARI Personal Computer System.