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The computer side normally uses a DB-25 port instead of this connector. IEEE 1284, also known as the Centronics port, is a standard that defines bi-directional parallel communications between computers and other devices. It was originally developed in the 1970s by Centronics before its IEEE standardization.
Mini-Centronics 36-pin male connector (top) with Micro ribbon 36-pin male Centronics connector (bottom) The Apple II Parallel Printer Port connected to the printer via a folded ribbon cable; one end connected to the connector at the top of the card, and the other end had a 36-pin Centronics connector. In computing, a parallel port is a type of ...
Centronics Data Computer Corporation was an American manufacturer of computer printers, now remembered primarily for the parallel interface that bears its name, the Centronics connector. History [ edit ]
SCSI-1 card with an external Centronics port which requires a terminator, from an Acorn computer. Old Macintosh DB-25 SCSI port (narrow) Apple used DB-25 connectors, which, having only 25 pins rather than 50, were smaller and less expensive to make, but decreased signal integrity (increasing crosstalk ) [ citation needed ] and cannot be used ...
The computer's base configuration is equipped with 128 KB of RAM, expandable to 256 KB via a proprietary plug-in expansion board. At the rear of the system unit is an RS-232 serial port , a Centronics-style parallel port (in a deviation from the IBM-PC-standard DB-25 parallel connector), and an RGBI port.
The printer port is compatible with the then standard Centronics parallel interface allows for connection of many different types of printers from low quality (e.g. low-resolution thermal printers) to high quality printers, such as fixed font daisy wheel printers or laser printers, though the latter were uncommon and expensive during the period ...
The micro ribbon or miniature ribbon connector is a common type of electrical connector for a variety of applications, such as in computer and telecommunications equipment having many contacts. The connector contains two parallel rows of contacts within a shielded case having a characteristic D-shape similar to that used in D-subminiature ...
Since the system unit was designed to occupy a smaller area than many contemporary PC-compatible systems, a smaller form of internal expansion card was used. Olivetti advertised a selection of miniature cards including a second serial port, a BSC / SNA communications board, the SCSI controller card, and local area network cards. [ 1 ]