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ADTRAN ISU 128 User Manual

Page 144

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Glossary

61202.029L2-1

ISU 128 User Manual

129

X.25

A packet data transfer protocol for the B and D Channels. Defines the 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 circuits.