AUTO-RETRAIN - FALLBACK/FALLFORWARD
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Example:	AT %E1 <CR>
Description:	Controls auto-retrain mode and fallback/fall forward.
Command	Function
» %E0	Line quality monitor disabled
%E1	Line quality monitor and auto-retrain enabled.
%E2	Line quality monitor and fallback/fall forward enabled.
%E3	Line quality monitor and fallback/fall forward enabled hangup on EQM .

BIT-MAPPED REGISTERS
Register	Default
S14	138
S16	0
S21	4
S22	117
S23	55
S27	74
S28	0
S31	194
S39	3
S40	105
S41	03

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Example:	AT \B3 &W<CR>
Default:	3
Range:	0-9
Unit:	.1 second
Description:	Sends break to modem.

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Example:		AT \K1 <CR>
Description:		Configures action of break signal.
Command	Break from DTE		Break from DTE while in command mode	Break from remote modem
\K0	Enter command mode, do not send break to remote modem.		Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
\K1	Buffers cleared and break sent to remote modem.		Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
\K2	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately.	Send break to DTE immediately.
\K3	Send break to remote modem immediately.		Send break to remote modem immediately.	Send break to DTE immediately.
\K4	Enter command mode, do not send break to remote modem.		Send break to remote modem with transmitted data.	Send break to remote modem with transmitted data.
» \K5	Send break with transmitted data.		Send break to remote modem with transmitted data.	Send break to remote modem with transmitted data.

CELLULAR TRANSMISSION LEVEL
Type:	Register
Format:	AT [cmds] @Mn [cmds]
Example:	AT @M26 &W<CR>
Default:	26
Range:	10-31
Unit:	-1dBm when n>10.
Description:	Sets the signal level for transmission when in leased line mode.
Command	Function
@M0	-26dBm.
@M1	-30dBm.
@M2-@M10	-10dBm.

COMPRESSION
Type:	Configuration
Format:	AT %Cn
Example:	AT %C1 &B0<CR>
Description:	Selects data compression.
Command	Function
%C0	Data compression disabled.
%C1	MNP5 enabled.
%C2	V.42bis enabled.
» %C3	MNP5 and V.42bis enabled.

COMPROMISE EQUALIZER
Type:	Configuration
Format:	AT [cmds] :En [cmds]
Example:	AT :E &W<CR>
Description:	Controls V.32 compromise equalizer.
Command	Function
:E0	Equalizer disabled.
» :E1	Equalizer enabled.

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Example:	AT \N1 DT555-1212<CR>
Description:	Sets connect mode.
Command	Function
\N0	Normal mode enabled.
\N1	Normal mode enabled.
\N2	Reliable mode enabled.
» \N3	Auto-reliable mode enabled.
\N4	LAPM mode enabled.
\N5	MNP mode enabled.

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Example:	AT \G1 &K3<CR>
Description:	Selects modem port flow control.
Command	Function
» \G0	Flow control disabled.
\G1	Flow control enabled.

FLOW CONTROL CHARACTER - XOFF
Type:	Register
Format:	AT [cmds] S33=n [cmds]
Example:	ATS33=20<CR>
Default:	19
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XOFF.

FLOW CONTROL CHARACTER - XON
Type:	Register
Format:	AT [cmds] S32=n [cmds]
Example:	ATS32=20<CR>
Default:	17
Range:	0-255
Unit:	ASCII
Description:	Sets the character used to represent XON.

LINE SIGNAL LEVEL
Type:	Immediate
Format:	AT [cmds] %L [cmds]
Example:	AT %L &W<CR>
Range:	9-43
Unit:	-1dB
Description:	Returns received line signal level.

MNP10 COMPRESSION
Type:	Configuration
Format:	AT [cmds] -Kn [cmds]
Example:	AT %C1 -K1 <CR>
Description:	Selects MNP10 data compression.
Command	Function
-K0	MNP10 disabled.
» -K1	MNP10 enabled.
-K2	MNP10 enabled on originate mode only.

MNP10 LINK NEGOTIATION
Type:	Configuration
Format:	AT [cmds] *Hn [cmds]
Example:	AT *H0 <CR>
Description:	Sets the speed at which MNP10 link negotiation will occur.
Command	Function
» *H0	Link will be negotiated at highest possible speed.
*H1	Link will be negotiated at 1200bps.
*H2	Link will be negotiated at 4800bps.

MNP10 POWER LEVEL ADJUST
Type:	Configuration
Format:	AT [cmds] )Mn [cmds]
Example:	AT )M1 %C1<CR>
Description:	Controls automatic transmit power level adjustment during MNP 10 link negotiation.
Command	Function
» )M0	Power level adjustment disabled.
)M1	Power level adjustment enabled.

PROTOCOL/SPEED
Format	AT [cmds] S37=n [cmds]
Example:	ATS37=21<CR>
Default:	0
Range:	0-21
Unit:	Bit-mapped.
Description:	Selects protocol and line speed.
Command	Function
» S37=0	Auto-select fastest common protocol.
S37=1	Connect at 300bps
S37=2	Connect at 300bps
S37=3	Connect at 300bps.
S37=4	Not used.
S37=5	Connect at 1200bps V.22.
S37=6	Connect at 2400bps.V.22bis
S37=7	Connect at 75/1200bps.V.32
S37=8	Connect at 4800bps V.32bis/V.32.
S37=9	Connect at 9600bps V.32bis/V.32
S37=10	Connect at 12Kbps V.32bis
S37=11	Connect at 14.4Kbps V.32bis
S37=12	Connect at V.32bis 7200bps
S37=15	Connect at V.FC 14.4Kbps
S37=16	Connect at 16.8Kbps
S37=17	Connect at 19.2Kbps
S37=18	Connect at 1600bps
S37=19	Connect at 24.0Kbps
S37=20	Connect at 26.2Kbps
S37=21	Connect at 28.8Kbps

REPORT SIGNAL QUALITY
Type:	Configuration
Format:	AT [cmds] %Q [cmds]
Example:	AT %Q &W<CR>
Description:	Reports signal quality.

SLEEP TIMER
Format	AT [cmds] S24=n [cmds]
Example:	ATS24=40<CR>
Default:	10
Range:	0 - 255
Unit:	10 second
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.