IBM PRO/100 SP manual Register Default Description

Table 4: AT Command Set Summary. The following table is from Lucent Technologies, Host-Based Controller Modem AT Command Set, Version 1.1, June 15, 1998.

Command	Description			Command	Description
M	Monitor speaker mode			\A	MNP block size
N	Modulation			\B	Send break
	handshake
O	Return to online data			\G	Modem port flow control
P	Select pulse dialing			\J	Adjust bits/s rate control
Q	Result code control			\K	Set break control
T	Select tone dialing			\N	Error control mode selection
V	DCE response format			\Q	Local flow control selection
W	Result code option			\R	Ring indicator off after answer
X	Result code selection			\T	Inactivity timer
	and call progress
	monitoring
Y	Long-space disconnect			\V	Protocol result code
Z	Reset and recall stored			\X	XON/OFF pass through
	profile
&B	V.32 auto retrain			%B	View numbers in blacklist
&C	Data carrier detect			%C	Data compression control
	(DCD) control
&D	Data terminal ready			%E	Automatic rate change
	(DTR
&F	Local factory settings			-C	Data calling tone
&G	V.22bis guard tone			-V90	Enable/disable V.90 settings
	control
Table 5: The S-Register Summary. The S-registers 42 and 43 are for testing and
debugging purposes only.
Register		Default	Description
S0		0	Automatic answer ring number
S1		0	Ring counter
S2		43	AT escape character
S3		13	Command line termination character
S4		10	Response formatting character
S5		8	Command line editing character
S6		2	Wait before dialing
S7		50	Connection completion time-out
S8		2	Comma dial modifier time

Appendix B. Modem function B-3