Krone LSA-PLUS

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A punch block using krone contacts
Cross connect field with krone connectors

Krone LSA-PLUS (or simply krone) is an insulation-displacement connector for telecommunications. It is a proprietary European alternative to 110 block. The Krone LSA-PLUS system is not limited to telecommunications, as it is also popular in broadcast systems, where audio interconnections and their associated control systems often use krone wiring. Multipair audio cables have been specifically designed for the system by organisations such as the BBC.

History[edit]

Krone was developed in Berlin in the 1970s by The Krone Group, a German telecommunications company. In 2004, Krone was acquired by ADC Telecommunications, an American corporation. ADC was later acquired by Tyco Electronics in 2010.

Characteristics[edit]

LSA-PLUS is a German acronym (Lötfrei, Schraubfrei, Abisolierfrei, Preiswert, Leicht zu handhaben, Universell anwendbar, Sicher und schnell) that translates to: no solder, no use of screws, no insulation removal, cost effective, easy to use, universal application, secure and fast.

Compared to 110, krone can be easily identified by its contact slots arranged at a 45 degree angle to the wire. The contacts use silver to inhibit corrosion and require a punch down tool for wire insertion.

References[edit]

Further reading[edit]