"...What a jewel! It was manufactured by Omron and sell by Sweda. It was not connected to any computer else to several different ECRs from Sweda. Mainly used to collect journal information from up to 8 cash registers, to post process the info stored in diskette in an IBM mainframe. It was used to for backup/restore of a "external memory file" provided by Sweda too, for storing plu/sku info ..."