CM-28 modem/telephone/ISDN Settings and Configuration

Card Type	Modem (asynchronous)
Chip Set	Unidentified
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	PCMCIA Type II
Fax Class	Class I & II
Data Modulation Protocol	AT&T V.32terbo Bell 212A ITU-T V.22, V.22bis, V.23, V.32, V.32bis, V.34
Fax Modulation Protocol	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42bis

ACCEPT RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \U [cmds]
Description:	Accept remote’s request for reliable link

AUTO-FALLBACK/FALL-FORWARD
Type:	Configuration
Format:	AT [cmds] %Gn [cmds]
Description:	Selects auto-fallback/fall-forward
Command	Function
í %G0	Auto-fallback/fall-forward disabled
%G1	Auto-fallback/fall-forward enabled

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Configuration
Format:	AT [cmds] %An [cmds]
Default:	13
Range:	0-127
Unit:	ASCII
Description:	Sets the character used as the auto-reliable fallback character; %A0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Configuration
Format:	AT [cmds] \Cn [cmds]
Description:	Controls the handling of incoming data during auto-reliable time period
Command	Function
í \C0	Data is discarded
\C1	Data is buffered
\C2	Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.

AUTO-RETRAIN
Type:	Configuration
Format:	AT [cmds] %En [cmds]
Description:	Selects auto-retrain mode
Command	Function
%E0	Auto-retrain disabled
í %E1	Auto-retrain enabled

BONG TONES
Type:	Configuration
Format:	AT [cmds] S121=n [cmds]
Description:	Select the type of credit card bong the modem will recognize
Command		Function
S121=0		AT&T enabled
S121=1		MCI enabled

BREAK SEND
Type:	Configuration
Format:	AT [cmds] \Bn [cmds]
Default:	3
Range:	1-9
Unit:	.1 second
Description:	Sends break to modem

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Break from DTE		Modem receives \B	Break received from remote modem
\K0	Online command mode enabled, send no break to remote modem		Break sent to remote modem and buffered cleared	Buffers cleared, break sent to DTE
\K1	Break sent to remote modem and buffered cleared		Break sent to remote modem and buffered cleared	Buffers cleared, break sent to DTE
\K2	Online command mode enabled, send no break to remote modem		Send break to remote modem immediately	Break sent immediately to DTE
\K3	Send break to remote modem immediately		Send break to remote modem immediately	Break sent immediately to DTE
\K4	Online command mode enabled, send no break to remote modem		Send break with transmitted data	Break sent with received data to the DTE
í \K5	Send break with transmitted data		Send break with transmitted data	Break sent with received data to the DTE

CALLING TONE
Type:	Configuration
Format:	AT [cmds] -Cn [cmds]
Description:	Controls whether the DTE will allow the modem to send a 1300Hz calling tone when originating.
Command	Function
í -C0	Disable calling tone
-C1	Enable calling tone

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	Data compression disabled
í %C1	Data compression enabled

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Controls the type of connection the modem will operate in
Command	Function
\N0	Normal mode
\N2	Auto-reliable MNP mode
í \N3	Auto-reliable V.42 mode
\N4	Reliable V.42 mode

COUNTRY CODES
Type:	Register
Format:	AT [cmds] S133=n [cmds]
Description:	Selects the country code needed
Command		Function
í S133=0		United states
S133=1		United Kingdom
S133=2		Germany
S133=3		France
S133=4		Belgium
S133=5		Netherlands
S133=6		Italy
S133=7		Spain
S133=8		Austria
S133=9		Switzerland
S133=10		Portugal
S133=11		Sweden
S133=12		Norway
S133=13		Denmark
S133=14		Finland

COUNTRY CODES (CONTINUED)
Type:	Register
Format:	AT [cmds] S133n [cmds]
Description:	Selects the country code needed
S133=15		Cyprus
S133=16		Czechoslovakia
S133=17		Greece
S133=18		Hungry
S133=19		Poland
S133=20		Russia
S133=21		Turkey
S133=22		Luxembourg
S133=23		Iceland
S133=25		Egypt
S133=26		India
S133=27		Kenya
S133=28		South Africa
S133=29		Morocco
S133=48		Abu Dhabi
S133=49		Australia
S133=50		Bangladesh
S133=51		China
S133=52		Hong Kong
S133=53		Indonesia
S133=54		Japan
S133=55		Korea
S133=56		Malaysia
S133=57		New Zealand
S133=58		Philippines
S133=59		Singapore
S133=96		Argentina
S133=97		Bolivia
S133=98		Brazil
S133=99		Chile
S133=100		Colombia
S133=101		Costa Rica
S133=102		Guatemala
S133=103		Mexico
S133=104		Nicaragua
S133=105		Paraguay
S133=106		Peru
S133=107		Uruguay
S133=108		Venezuela
S133=128		Kuwait
S133=129		Oman
S133=130		Saudi Arabia

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string
Command	Function
DP	Pulse dialing enabled
DR	Dial in answer mode
DS=n	Number in memory location n dialed
D,(comma)	Dialing paused for amount of time specified in S8 register
DT	Tone dialing enabled
DW	Dialing resumed following dial tone detection
D!	Flash function initiated; modem commanded to go on-hook for specified time
D@	Modem waits for a ring-back signal followed by silence up to the time specified in S7 prior to executing the rest of the dial string
D; (semi-colon)	Modem returned to command mode after dialing
D"" (double quotes)	Alphanumeric dialing switch; when a command like this is entered: ATDT1888"KICKME1", the modem changes the alpha characters into numbers; except for Q and Z.
D$	Waits for a bong tone up to the time specified in S7 prior to executing the rest of the dial string.

DTE SPEED
Type:	Register
Format:	AT [cmds] S122=n [cmds]
Description:	Selects the DTE speed that will be shown with CONNECT message
Note: The modem doesn’t use DTE speed, however some applications need this to attach to the CONNECT message.
Command	Function
S122=0	CONNECT
S122=1	CONNECT 1200
S122=2	CONNECT 2400
S122=3	CONNECT 4800
S122=4	CONNECT 7200
S122=5	CONNECT 9600
S122=6	CONNECT 12000
S122=7	CONNECT 14400
S122=8	CONNECT 16800
S122=9	CONNECT 19200
S122=10	CONNECT 21600
S122=11	CONNECT 24000
S122=12	CONNECT 26400
S122=13	CONNECT 28800
S122=14	CONNECT 38400
S122=15	CONNECT 57600
S122=16	CONNECT 115200
S122=17	CONNECT 230400

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects extended result codes
Command	Function
í \V0	Extended result codes disabled
\V1	Extended result codes enabled

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] \Gn [cmds]
Description:	Selects modem port flow control
Command	Function
í \G0	Flow control disabled
\G1	Flow control enabled

FLOW CONTROL TYPE
Type:	Configuration
Format:	AT [cmds] \Qn [cmds]
Description:	Sets type of flow control used by modem
Command	Function
\Q0	Flow control disabled
\Q1	XON/XOFF flow control enabled
\Q2	Unidirectional CTS/RTS flow control enabled
í \Q3	Bidirectional CTS/RTS flow control enabled

INACTIVITY TIMER
Type:	Configuration
Format:	AT [cmds] \Tn [cmds]
Default:	0
Range:	0-90
Unit:	1 minute
Description:	Sets the length of time that the modem does not receive information before it disconnects.

INITIATE RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \O [cmds]
Description:	Initiates reliable link from normal or direct mode

INTERNATIONAL SETTINGS
Type:	Configuration
Format:	AT [cmds] %TEn [cmds]
Description:	Enables the use of S133 for countries that require special modem settings
Command		Function
í %TE=0		Disable S133
%TE=1		Enabled S133

HELP SCREENS
Type:	Immediate
Format:	AT$
Description:	Shows command help screens for all commands beginning with the given prefix, or no prefix if none is given.

HELP SCREEN - BORDERS
Type:	Configuration
Format:	AT [cmds] S120=n [cmds]
Description:	Places a border around the help screen text
Command		Function
S120=0		Enabled; uses IBM graphics characters.
í S120=1		Disabled; no borders.

MAXIMUM BLOCK SIZE FOR TRANSMISSION
Type:	Configuration
Format:	AT [cmds] \An [cmds]
Description:	Sets the maximum transmittable block size
Command	Function
\A0	MNP block size is 64 characters
\A1	MNP block size is 128 characters
\A2	MNP block size is 192 characters
í \A3	MNP block size is 256 characters

PROTOCOL/SPEED
Type:	Configuration
Format:	AT [cmds] S43=n [cmds]
Description:	Sets the current DCE speed
Command		Function
S43=5		Set to 1200bps
S43=6		Set to 2400bps
S43=7		Set to 4800bps
S43=8		Set to 7200bps
S43=9		Set to 9600bps
S43=10		Set to 12Kbps
S43=11		Set to 14.4Kbps
S43=12		Set to 19.2Kbps
S43=15		Set to 28.8Kbps
S43=26		Set to 16.8Kbps
S43=29		Set to 24Kbps
S43=33		Set to 21.6Kbps
S43=34		Set to 26.4Kbps

REDIAL
Type:	Immediate
Format:	AT [cmds] DL
Description:	Redials the last number dialed

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays modem properties
Command	Function
I0	Display product code
I1	Display ROM checksum
I2	Verify ROM checksum result
I3	Display firmware revision
I4	Display modem characteristics
I6	Reports current connection’s statistics

SWITCH TO NORMAL MODE
Type:	Immediate
Format:	AT [cmds] \Z [cmds]
Description:	Switches to normal mode from reliable mode

SWITCH TO RELIABLE MODE
Type:	Immediate
Format:	AT [cmds] \Y [cmds]
Description:	Switches to reliable mode from normal or direct mode

V.42 - DETECTION PHASE
Type:	Configuration
Format:	AT [cmds] -Jn [cmds]
Description:	Controls V.42 detection
Command	Function
-J0	V.42 detection disabled
í -J1	V.42 detection enabled

V.42bis - COMPRESSION CONTROL
Type:	Configuration
Format:	AT [cmds] "Hn [cmds]
Description:	Controls V.42bis data compression
Command	Function
"H0	V.42bis disabled
"H1	V.42bis when transmitting enabled
"H2	V.42bis when receiving enabled
í "H3	V.42bis when transmitting/receiving enabled

V.42bis - DICTIONARY SIZE
Type:	Configuration
Format:	AT [cmds] "Nn [cmds]
Default:	Unidentified
Range:	512-2048
Unit:	Character
Description:	Select V.42 dictionary size

V.42bis - MAXIMUM STRING LENGTH
Type:	Immediate
Format:	AT [cmds] "On [cmds]
Default:	32
Range:	6-250
Unit:	Characters
Description:	Selects string size for V.42bis compression

XON/XOFF PASS-THROUGH
Type:	Configuration
Format:	AT [cmds] \Xn [cmds]
Description:	Selects whether XON/XOFF signals are sent to remote modem
Command	Function
í \X0	XON/XOFF signals trapped by local modem
\X1	XON/XOFF passed through local modem