TAE connector
German standard for telephone plugs and sockets
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).
Pin-out
change| 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 | Pink |
| 6 | b2 | Line b, looped through the telecommunication device | Gray |