Installing and Administering PPP

Appendix A 157
Modem Connections
Dial Up Modems
Command or
setting
Result
&f Load factory default settings.
s0=1 Answer after one ring.
s7=120 Wait 120 seconds for a valid carrier tone to be sent
from the remote modem.
s48=1 Compare all eight bits when checking for control
characters.
s51=6 Latch the DTE interface at 38400 bps.
s58=2 Use full-duplex RTS/CTS flow control so the
modem sends data to the DTE when RTS is on and
will not send data to the DTE when RTS is off.
s59=15 Use the following result code suffixes:
Possible link protocol suffixes: nothing, REL, or
LAPM.
Possible compression suffixes: nothing or COMP.
s61=0 Local reaction to a break signal on the serial
interface is the same as specified in S63.
s63=2 Discard buffered data and send the break signal
when a break signal is transmitted by the local
DTE during an error controlled connection.
q2 Report result codes when originating a call, but do
not return result codes when answering a call.
t Use DTMF tone dialing.
x12 Result codes include the following:
BUSY,DIALING, ERROR, NO CARRIER, NO
DIALTONE, OK, RING, RRING, CONNECT 300,
CONNECT 1200, CONNECT 2400, CONNECT
4800, CONNECT 7200, CONNECT
9600,CONNECT 12000, CONNECT 14400,
CONNECT 19200, and CONNECT 38400.