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RS-423

 
Wikipedia: RS-423
RS423
Standard EIA RS-423
Physical Media Group of Copper cables
Network Topology Point-to-point, Multi-dropped
Maximum Devices 10 (1 driver & 10 receivers)
Maximum Distance 1200 metres (4000 feet)
Mode of Operation Single Ended (Unbalanced)
Maximum Baud Rate Up to 100Kbps
Voltage Levels -6V to +6V (maximum Voltage)
Mark(1) -4V to -6V
Space(0) +4V to +6V
Available Signals Tx, Rx & GND


RS/EIA/TIA-423 is a standard for serial communications. It defines an unbalanced (single-ended) interface (similar to RS-232), with a single, unidirectional sending driver, and allows for up to 10 receivers (similar to RS-422). It is normally implemented in integrated circuit technology and can also be employed for the interchange of serial binary signals between DTE & DCE. There is no common pinout for RS-423. The BBC Micro computer used a 5-pin DIN connector. DEC used it extensively with a Modified Modular Jack connector. This was sometimes called "DEC-423".

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