3 ms·
You mean DE9. DB series are the size of old 'parallel' ports. DE are the common width, like DE15 for vga.
by hug 10y ago
You mean DE9.
DB series are the size of old 'parallel' ports. DE are the common width, like DE15 for vga.
- Declanomous 10y agoFrom the article: >Standard RS-232 as defined in 1962 used a roughly D-shaped shell with 25 physical pins (DB-25), way more than the physical protocol actually required (you can support a minimal version with just three wires, and this was actually common). Twenty years later, after the IBM PC-AT introduced it in 1984, most manufacturers switched to using a smaller DB-9 connector (which is technically a DE-9 but almost nobody ever called it that) >Almost nobody ever called it that