Statements (23)
| Predicate | Object | 
|---|---|
| gptkbp:instanceOf | gptkb:International_Standard | 
| gptkbp:alsoKnownAs | EIA-449 | 
| gptkbp:category | gptkb:personal_computer serial communication | 
| gptkbp:countryOfOrigin | gptkb:United_States | 
| gptkbp:defines | mechanical connector details signal pinouts signal voltages | 
| gptkbp:fullName | Recommended Standard 449 | 
| gptkbp:intendedUse | higher data rates and longer cable lengths than RS-232 | 
| gptkbp:introducedIn | 1977 | 
| gptkbp:publishedBy | gptkb:Electronic_Industries_Association | 
| gptkbp:purpose | specifies electrical characteristics and connector pin assignments for serial data communication | 
| gptkbp:relatedStandard | gptkb:RS-422 gptkb:RS-423 | 
| gptkbp:replacedBy | gptkb:RS-232 EIA-530 | 
| gptkbp:status | obsolete | 
| gptkbp:uses | DB-37 connector DC-37 connector | 
| gptkbp:bfsParent | gptkb:RS-232_standard | 
| gptkbp:bfsLayer | 8 | 
| https://www.w3.org/2000/01/rdf-schema#label | RS-449 |