TDO connector

Last updated December 09, 2025

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TDO circuit diagram Schematics of Austrian Telephone Socket TDO.svg — TDO circuit diagram

TDO (Telefonsteckdose) is the telephone plug used by A1 Telekom Austria.

plug
socket

The sample here has 6 conductors (of a possible 10), 2 on one side (visible in picture) and 4 on the opposite side. Connector dimensions are 3 mm × 18 mm (1⁄8 in × 3⁄4 in) (includes top latch).

See also

TAE connector

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