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Napięcie w abonenta jest zwykle 48V między sterownikami Ring I Tip Z Tip w pobliżu masy i Ring -48 V. Przewody miedziane przechodzą zatem przez 2 we wszystkich gniazdach RJ i mają różne kolory. Zobacz wykres.
RJ11 służy do podłączania telefonów i modemów ADSL do gniazdka ściennego, podczas gdy RJ12 służy do podłączania telefonów dwuliniowych do gniazdka. Z drugiej strony złącza RJ45 są używane w sieciach Ethernet i mają osiem przewodów. Zrozumienie różnic między tymi złączami może pomóc w wyborze odpowiedniego do potrzeb sieciowych. FAQ.
21 mar 2024 · RJ12 can make 3 connections with the available 3 pairs of wires. RJ12 is mainly used for system phones. It can also be used in place of an RJ11 connector. But the reverse is not possible since RJ11 can only make two connections as opposed to the three connections of RJ12. rj12 pinout.
The RJ12 is a registered jack used for connecting telecommunications equipment in homes and offices. It is often used for connecting telephones, fax machines, and modems. The wiring diagram for the RJ12 is a standardized layout that shows how the wires are connected to the jack.
RJ12 là một tiêu chuẩn dây 6P6C. Điều này có nghĩa là có 6 dây được kết cuối trong đầu nối, chiếm tất cả các khe có sẵn. RJ11 là một tiêu chuẩn dây 6P4C và chỉ có bốn dây kết nối và hai khe còn lại không còn được sử dụng.
RJ 12 wykorzystuje okablowanie Cat3 lub Cat 5. RJ 12 i RJ 11 to to samo złącze, ale RJ 11 ma 4 pozycje i 4 złącza. RJ 45 jest stosowany głównie w okablowaniu sieci.