COURIER HIGH SPEED MODEMS
B-12 Summaries and Tables
Table B.5&F3 HST Cellular Template
NVRAM Options Setting Description
Handshake option B1 HST-mode/Bell answer tone
Normal/error control/sync &M4 Normal/error control
Data compression &K1 Enabled
Transmit data flow control &H1 Hardware flow control
Rec'd data hardware flow control &R2 Enabled
Rec'd data software flow control &I0 Disabled
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 &L2 HST Cellular
Carrier loss wait time S10=30 Waits 3 seconds before hanging up
Data Set Ready override &S0 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.