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COURIER HIGH SPEED MODEMS
Summaries and Tables B-11
The &F2 and &F3 factory setting templates are similar to the
&F1, with the exception of the commands which are highlighted
in bold in tables B.4 and B.5.
Table B.4&F2 Software Flow Control Template
NVRAM Options Setting Description
Handshake option B0 ITU-T answer sequence
Normal/error control/sync &M4 Normal/error control
Data compression &K1 Enabled
Transmit data flow control &H2 Software flow control
Rec'd data hardware flow control &R1 Disabled
Rec'd data software flow control &I2 Enabled
Serial port rate select &B1 Serial port rate fixed higher than
connect rate
Link rate select &N0 Variable
Result code subset X7 Extended. Includes all codes
except VOICE
Protocol response codes &A3 Full protocol codes
Tone/Pulse dialing P Pulse dial
Online local echo F1 Disabled
Speaker control M1 ON during dial through connect
Remote Digital Loopback (RDL) &T5 Deny RDL
Normal/Leased/Cellular line &L0 Normal phone line
Data Set Ready operations &S0 Override enabled
Break handling &Y1 Clear buffer, send immediately
Stored telephone number &Z0−9=0 Blank
Pulse dial make/break ratio &P0 U.S./Canada
Guard tone &G0 U.S./Canada
Word length* 8
Parity* 0 None
DTE rate* (Kbps) 19.2 _
* Detected by the modem from the AT prefix of the &W command
that writes your defaults to NVRAM. Set your software to the desired
word length, parity, and serial port rate defaults before sending the
modem the AT . . . &W string.