TAE connector
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moved [[TAE]] to [[TAE connector]]
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TAE (Telekommunikations-Anschluss-Einheit) is the German standard for telephone plugs and sockets. The standard covers two TAE types: F ("Fernsprechgerät" for telephones) and N ("Nebengerät" for other devices such as answering machines and modems). This system was introduced in the early 1990s when the government-owned institution Deutsche Bundespost (DBP, German Federal Post) was divided into Deutsche Post (postal service), Deutsche Telekom (telecomunication services) and Postbank (financal services). Previously, telephones had been hardwired to their wall sockets and only officially approved telephones (legally distributable only by the DBP) were allowed to be connected to the telephone system. Furthermore, telephones and other communication devices could only be leased from the DBP and not be sold or bought on the free market.
TAE socket
TAE plug
| Pin | Name | Used for | Color of the wire |
| 1 | La | Exchange line a | White |
| 2 | Lb | Exchange line b | Brown |
| 3 | W | Line for external bell (obsolete (since mid-1990s)) | Green |
| 4 | E | Line for ground connection, used to request an external connection in very old telephone installations | Yellow |
| 5 | a2 | Line a, looped through the telecommunication device (only N-type plugs) | Green |
| 6 | b2 | Line b, looped through the telecommunication device (only N-type plugs) | Yellow |