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ITU-T X.28 (12/1997)

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DTE/DCE interface for a start-stop mode Data Terminal Equipment accessing the Packet Assembly/Disassembly facility (PAD) in a public data network situated in the same country
This Recommendation provides the DTE/DCE interface to facilitate access to the public data network from the public telephone network, circuit-switched public data networks and leased circuits.
Citation: https://handle.itu.int/11.1002/1000/4153
Series title: X series: Data networks, open system communications and security
  X.1-X.199: Public data networks
  X.20-X.49: Interfaces
Approval date: 1997-12-12
Approval process:TAP
Status: In force
Maintenance responsibility: ITU-T Study Group 13
Further details: Patent statement(s)