🌐العربيةEnglishDeutschEspañolFrançaisPolskiРусскийالعربية한국어中文日本語EntityQ1563000· pop 12· linked from 50 articlesالترميز بعكس العلامة المتناوب المُعدَّلAlso known as High Density Bipolar of Order 3digital telecommunications techniqueAvailable in 11 languagesEspañolFrançaisDeutsch中文РусскийAzerbaijaniCatalanFinnishPolski한국어via Wikidata sitelinks · CC0Connectionsbipolar encodingEntityDifferential Manchester encodingEntityCategoriesEncodingsLine codesMultiplexing