Boca Systems M144PA, Руководство пользователя

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&P Dial Pulse Ratio: (0)
This command determines the make/break (i.e., off-hook/on-hook) ratio
during pulse dialing.
n = 0 Make = 39%; Break = 61% for use In the United States. *
n = 1 Make = 33%; Break = 67% for use in the United Kingdom and
Hong Kong.
&Sn Data Set Ready (DSR) Option: (0)
This command controls how the modem treats the DSR Signal.
n = 0 DSR circuit always on *
n = 1 DSR circuit is on during handshaking, off in Test or Idle Modes.
DSR is on when carrier is lost.
&Tn Self-test Command: (0)
This command is used to initiate and terminate loop back tests for testing
modem-to-modem and DTE-to-modem data communication integrity.
n = 0 Terminates test in progress *
n = 1 Local analog loop back
n = 3 Local digital loop back
n = 4 Grants RDL request from remote modem
n = 5 Denies RDL request from remote modem
n = 6 Remote digital loop back
n = 7 Remote digital loop back with self-test
n = 8 Local analog loop back with self-test
&U Disable Trellis Coding: (0)
This command selects whether the modem will transmit and receive
modulated 9600 bps carrier with QAM or Trellis encoding for V.32.
Range: n = 0-1
n = 0 Enabled (Trellis modulation with QAM modulation
as a fallback)*
n = 1 Disabled (QAM modulation only)