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VIKING COMPONENTS 56K EXTERNAL MODEM USER’S GUIDE
Basic AT Command Set (Continued)
Command Function
When modem receives break from the remote modem:
\K0,1 Clear data buffers and send break to DTE.
\K2,3 Send a break immediately to DTE.
\K4,5 Send a break with received data to the DTE.
\N0 Select normal speed buffered mode.
\N1 Select direct mode.
\N2 Select reliable link mode.
\N3 Select auto reliable mode.
\N4 Force LAPM mode.
\N5 Force MNP mode.
+MS Select modulation.
+H0 Disable RPI.
+H1 Enable RPI and set DTE speed to 19200 bps.
+H2 Enable RPI and set DTE speed to 38400 bps.
+H3 Enable RPI and set DTE speed to 57600 bps.
**0 Download to flash memory at last sensed speed.
**1 Download to flash memory at 38.4 bps.
**2 Download to flash memory at 57.6 bps.
-SDR=0 Disable Distinctive Ring.
-SDR=1 Enable Distinctive Ring Type 1.
-SDR=2 Enable Distinctive Ring Type 2.
-SDR=3 Enable Distinctive Ring Type 1 and 2.
-SDR=4 Enable Distinctive Ring Type 3.
-SDR=5 Enable Distinctive Ring Type 1 and 3.
-SDR=6 Enable Distinctive Ring Type 2 and 3.
-SDR=7 Enable Distinctive Ring Type 1,2 and 3.
-SSE=0 Disable DSVD.
-SSE=1 Enable DSVD.
Chapter 6
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