HP OmniBook 6100 Reference Manual page 156

Reference Information
Modem Reference Information
Command Function (3Com/US Robotics)
&H1 Flow control for transmitted data - Enable hardware flow control (RTS/CTS)
&H2 Flow control for transmitted data - Enable software (XON/XOFF)
&H3 Flow control for transmitted data - Enable both software and hardware flow control
&I0 Flow control for received data - Disable flow control
&I1 Flow control for received data - send XON/XOFF signals to modems on both ends
&I2 Flow control for received data - send XON/XOFF signals to your modem only
&I3 HP Eng/Ack in Host mode
&I4 HP Eng/Ack in Terminal Mode
&I5 Flow control for received data - If error correction is used, send XON/XOFF signals to your modem only; if
data compression is not used, look for incoming XON/XOFF
&K0 Disable data compression
&K1 Enable data compression (V.42bis, MNP 5, NONE)
&K2 Enable data compression (forces V.42bis)
&K3 Use selective data compression
&M0 Disable error correction in 1200 bps and faster transfers
&M4 Allow V.42 or MNP error correction in 1200 bps and faster transfers
&M5 Allow either V.42 or MNP error correction in 1200 bps and faster transfers
&Nn Set link speed (bps): 0=Highest speed, 1=300, 2=1200, 3=2400, 4=4800, 5=7200, 6=9600, 7=12000,
8=14400, 9=16800, 10=19200, 11=21600, 12=24000, 13=26400, 14=28800, 15=31200, 16=33600,
17=28000, 18=29333, 19=30666, 20=32000, 21=33333, 22=34666, 23=36000, 24=37333, 25=38666,
26=40000, 27=41333, 28=42666, 29=44000, 30=45333, 31=46666, 32=48000, 33=49333, 34=50666,
35=52000, 36=53333, 37=54666, 38=56000, 39=57333
&R1 Ignore RTS
&R2 Receive to DTE/RTS high
&S0 Data Set Ready (DSR) is always on
&S1 Data Set Ready (DSR) signals that the modem is ready to send data
&Un Set minimum link rate (bps): 0=Variable, 1=300, 2=1200, 3=2400, 4=4800, 5=7200, 6=9600, 7=12000,
8=14400, 9=16800, 10=19200, 11=21600, 12=24000, 13=26400, 14=28800, 15=31200, 16=33600,
17=28000, 18=29333, 19=30666, 20=32000, 21=33333, 22=34666, 23=36000, 24=37333, 25=38666,
26=40000, 27=41333, 28=42666, 29=44000, 30=45333, 31=46666, 32=48000, 33=49333, 34=50666,
35=52000, 36=53333, 37=54666, 38=56000, 39=57333
&W0 Store user profile 0 to memory
&W1 Store user profile 1 to memory
&Zn=s Store phone number (n= 0,1,2,3)
&Zn? Display phone number
S-Registers (3Com/US Robotics)
Register Function (3Com/US Robotics)
S0 Number of rings before the modem auto-answers a call (0 means auto-
answer is disabled and manual answer is in effect)
S1 Counts and logs the number of rings
S2 Designates the ASCII character used to indicate an escape character
S3 Designates the ASCII character used for carriage returns
S4 Designates the ASCII character used for line feeds
S5 Designates the ASCII character used for backspaces
S6 Dial tone wait time; if AT command X is set to X2 or X4, the modem
ignores this register and dials as soon as it detects a dial tone (seconds)
S7 Carrier wait time (seconds)
156 Reference Guide
Range Default
0-255 0 rings
0-255 0 rings
0-127 43
0-127 13
0-127 10
0-127 8
2-255 3
1-255 60