ITU-T Rec. X.28 Amendment 1 (03/2000) - DTE/DCE interface for a start-stop mode data terminal equipment accessing ...
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FOREWORD
DTE/DCE interface for a start-stop mode data terminal equipment accessing the Packet Assembly/Disassembly facility ...
AMENDMENT 1 - Extensions of PAD parameter settings and PAD service signals
    C.3 Possible PAD service signals text in Chinese for extended dialogue mode