User Manual

Table Of Contents
38
Modem AT Commands
Appendix A
Mini PCI User’s Guide Xircom Inc
S37=10
Attempt to connect at 12000bps.
S37=11
Attempt to connect at 14400bps.
S37=12
Attempt to connect at 16800bps.
S37=13
Attempt to connect at 19200bps.
S37=14
Attempt to connect at 21600bps.
S37=15
Attempt to connect at 24000bps.
S37=16
Attempt to connect at 26400bps.
S37=17
Attempt to connect at 28800bps.
S37=18
Attempt to connect at 31000bps.
S37=19
Attempt to connect at 33600bps.
S40 ETC Startup Autorating
S40=0
Start up with normal autorating (default)
S40=1
Start up at initial rate of 4800 or below
S40=2
Start up at initial rate of 9600 or below
S42 Auto Rate
V.32bis and V.22bis auto rate is disabled. Retrain operation is disabled or enabled in date mode, and
fallback is disabled in data mode.
S42=0
Auto rate disabled.
S42=1
Auto rate enabled (default).
S43 Auto Mode
V.32bis startup auto mode operation disabled.
S43=0
Auto mode disabled.
S43=1
Auto mode enabled (default).
S46 Data Compression Selection
The setting of this register is used to turn data compression on or off. It is set by AT%Cn.
Data compression can only be enabled when the modem is operating in an error-control
(EC) mode using either V.42 LAP-M or MNP protocols.
S46=0
Modem will not attempt negotiation for data compression
S46=2
Modem will negotiate with a remote modem for data compression (default)
S46=136
Same as S46=0
S46=138
Same as S46=2