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Network, Networking
Technology, Data Communication Terms, Glossary and Dictionary
UA: Unnumbered Acknowledgement
Unnumbered Acknowledgement (UA) is a data link command or encoding used as a response that acknowledges the receipt and acceptance of the Set Asynchronous Balance Mode (SABM), SABME, and DISC command protocol data units. Delivery of these messages is not ACKed or NACKed by the receiver and do not contain a sequence number.
Related Terms:
UA: Unnumbered Acknowledgement
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