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COURIER HIGH SPEED MODEMS
C-14 Alphabetical Command Summary
The options are as follows.
&N1 300 bps &N9 16.8K bps (HST, terbo,
&N2 1200 bps V.FC, and V.34 only)
&N3 2400 bps &N10 19.2K bps (terbo, V.FC,
&N4 4800 bps and V.34 only)
&N5 7200 bps &N11 21.6K bps (terbo, V.FC,
&N6 9600 bps and V.34 only)
&N7 12K bps &N12 24K bps (V.FC and V.34 only)
&N8 14.4K bps &N13 26.4K bps (V.FC and V.34 only)
&N14 28.8K bps (V.FC and V.34 only)
&Pn This command sets the ratio of the off-hook/on-hook (make/
break) interval for pulse dialing. The default sets the modem
for use in North America. The ratio must be changed if the
modem is used in the United Kingdom and some Common-
wealth countries.
&P0 Make/break ratio, U.S./Canada: 39%/61%. Default.
&P1 Make/break ratio, United Kingdom, some
Commonwealth countries: 33%/67%.
&Rn Received data hardware (RTS) flow control
&R0 Delay Clear to Send Response after Request to Send
signal (RTS/CTS delay).
&R1 The modem ignores RTS. This setting is required if your
computer or terminal or software does not support RTS.
&R2 Hardware flow control of received data enabled.
Default. The modem sends data to the computer or
terminal only on receipt of the RTS signal.
&Sn The modem sends the computer or terminal a Data Set Ready
(DSR) signal via the RS-232 interface. (Data Set is industry
jargon for modem.)
&S0 DSR is always ON (override). Default.
&S1 In Originate mode, the modem sends the DSR after it
dials, when it detects the remote modem's answer tone.
In Answer mode, the modem sends the DSR after it
sends an answer tone.