Labels:text | diagram | black and white | technical drawing | plan OCR: 64T + 2T NT 256T ≥ 1280T 8T 128T AA CC S TRN Rate signal R2 E B1 Data Call mode modem 106 1 ≥ 1 second NT Note 16T Unclamp 104 107 7 MT Note 16T 16T 128T ≥ 64T ANS AC CA AC S STRN R1 S S TRN R3 E B1 Data Answer - - mode modem V25 8T 106 ≥ 128T 64 T ≥ 2T 16T 256T ≥ 1280T 256T 1280T 107 Unclamp 104 109 CCITT - 81 410 AC Signal states ACAC. AC for an even number of symbol intervals T; similarly with CA, AA and CC MT, NT Round- trip delays observed from answer and call modems respectively, including 64T + 2T modem turn round delay S, S Signal states ABAB .. AB, CDCD .. CD TRN Scrambled ones at 4800 bit/s with dibits encoded directly to states A, B, C and D as defined in § 5.2 R1, R2, R3 Each a repeated 16-bit rate sequence at 4800 bit/s scrambled and differentially encoded as in Table 2/V.32 b ...
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