X.28

X.28 is an ITU-T standard specifying the interface between asynchronous character-mode data terminal equipment (DTE), such as computer terminals, and a Packet Assembler/Disassembler (PAD) that connects the DTE to a packet switched network such as an X.25 network.

External links

* [http://www.itu.int/rec/recommendation.asp?type=items&lang=E&parent=T-REC-X.28-199712-I X.28 standard at ITU site]