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Post# A1093080

RS485 Standard Secrets (Schneegattern)

Posted on: Saturday, 25 May, 2024  10:16
Updated On: Saturday, 25 May, 2024  10:19
Expires On: Friday, 19 February, 2027  17:16
Reply to: (Not Shown)
When IBM introduced the PC/AT they also changed the physical format of the serial port connector to a D-sub, E-shell, 9-pin connector (a DE-9 commonly miscalled a DB-9).
RS232 (single-ended) was introduced in 1962, and despite rumors for its early demise, has remained widely used through the industry. The links used in RS-232 are classified as unbalanced or single-ended lines.

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