The low band ( 1 , 070 to 1 , 270 Hz) is used for the originate (the terminal) modem , and the high band (2, 025 to 2, 225 Hz) is used for the answer (CPU) modem. ... rental charges for the special DAA (data access arrangements) which the phone company insists upon when a direct connection is made. ... The block diagram of the M aamp; R Enterprises Pennywhistle 103 acoustical coupler type modem is shown in Fig. ... (sasNaamp;iaiug y agt;s |^| AseynoQ) wapow ecu aiisiM/wAuuad a uubj6b!P.
Title | : | Small Computer Systems Handbook |
Author | : | Sol Libes |
Publisher | : | Hayden - 1978 |
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