The ITU-T Recommendation for the interface between data terminal equipment (DTE) and a packet assembler/disassembler (PAD) in an X.25 public data network (PDN). See also DTE, PAD, PDN, and X.25.
"X.28." YourDictionary, n.d. Web. 16 August 2018. <http://www.yourdictionary.com/x-28>.
X.28. (n.d.). Retrieved August 16th, 2018, from http://www.yourdictionary.com/x-28
An ITU standard (1977) for exchange of information between a DTE and a PAD; commonly known as PAD commands.