# Recommendation X.25 (11/1988): Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for terminals operating in the packet mode and connected to public data networks by dedicated circuit

> superseded recommendation/international standard from the International Telecommunication Union

**Wikidata**: [Q26928835](https://www.wikidata.org/wiki/Q26928835)  
**Source**: https://4ort.xyz/entity/recommendation-x-25-11-1988-interface-between-data-terminal-equipment-dte-and-data-circuit-terminating-equipment-dce-for-terminals-operating-in-the-packet-mode-and-connected-to-public-data-networks-by-dedicated-circuit