D-sub

English

Three different D-subs

Etymology

Clipping of D-subminiature, from the Cannon part numbering system where such connectors’ designations are prefixed with D.

Noun

D-sub (plural D-subs)

1. (electronics) an electrical connector with two or more rows of pins or sockets surrounded by a D-shaped metal shield
   • 1996, Jan Axelson, Parallel Port Complete: Programming, Interfacing & Using the PC’s Parallel Printer Port:

     Some serial ports use a 25-contact D-sub, but with few exceptions, a 25-pin serial D-sub on a PC is male, with the female connector on the cable—the reverse of the parallel-port convention. (Other serial ports use 9-pin D-subs instead.)

Synonyms

• D-subminiature

Hyponyms

• parallel port (DB-25), serial port (RS-232)

Anagrams

• BUDs, Buds, DBUs, Dubs, buds, dubs