SAFEJACK 28.8 modem/telephone/ISDN Settings and Configuration

Card Type	Modem (synchronous/asynchronous)
Chipset	AT & T HSM288xCF
Maximum Data Rate	28.8Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34 AT&T V.32terbo
Fax Modulation	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & II
Data Bus	PCMCIA Type II

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, D, E, H, L, M, N, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \N, \Q, \T, \V, \X

%A, %C, %G

Special AT Commands

-J, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S30, S48

Note: See MHI help file for complete information.

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Register
Format:	AT [cmds] S43=n [cmds]
Default:	13
Range:	0-127
Unit:	1 ASCII character
Description:	Sets the character used as the auto-reliable fallback character; S43=0 will disable this function.

AUTO-RELIABLE TIME BUFFER CONFIGURATION
Type:	Register
Format:	AT [cmds] S48=n [cmds]
Description:	Controls the handling of incoming data during auto-reliable time period.
Command	Function
í S48=0	Data is discarded.
S48=1	Data is buffered for 4 seconds or 200 characters.
S48=2	Data is discarded; modem returns to normal mode on receiving auto-reliable fallback character.

AUTOSYNC HDLC ADDRESS
Type:	Register
Format:	AT [cmds] S20=n [cmds]
Default:	0
Range:	0-255
Unit:	Unidentified
Description:	Sets the HDLC address and bisync character.

AUTOSYNC OPTIONS
Type:		Register
Format		AT [cmds] S19=n [cmds]
Default:		26
Range:		0 - 30
Description:		Controls autosync protocol, HDLC address detection, bit coding, and HDLC idle.
Bit	Value	Function
0	0	Not used
1	0 í 1	Binary synchronous protocol used. HDLC protocol used.
2	í 0 1	HDLC address detect disabled. HDLC address detect enabled.
3	0 í 1	NRZI bit coding used. NRZ bit coding used.
4	0 í 1	HDLC idle sends MARK. HDLC idle sends FLAG or SYNC.

BIT-MAPPED REGISTER S40
Format:			AT [cmds] S40=n [cmds]
Default:			77
Range:			12 - 77
Description:			Controls automode and V.42 detection.
Bit	Value			Function
0	0 í 1			Automode detection disabled. Automode detection enabled.
5 - 1		00110			Not used.
6		0 í 1			V.42 detection disabled. V.42 detection enabled.

BIT-MAPPED REGISTER S44
Format:			AT [cmds] S44=n [cmds]
Default:			7
Range:			0 - 23
Description:			Controls V.42bis and auto-fallback/fall-forward.
Bit	Value			Function
0	0 í 1			V.42bis disabled. V.42bis enabled.
2, 1		00 01 10 í 11			V.42bis disabled. V.42bis enabled on transmit only. V.42bis enabled on receive only. V.42bis enabled.
3		0			Not used.
4		í 0 1			Auto-fallback/fall-forward disabled. Auto-fallback/fall-forward enabled.

BIT-MAPPED REGISTER S51
Format:			AT [cmds] S51=n [cmds]
Default:			3
Range:			0 - 115
Description:			Controls flow control, serial port speed, and XON/XOFF trapping.
Bit	Value			Function
1, 0	00 01 10 í 11			Flow control disabled. Bidirectional XON/XOFF flow control enabled. CTS flow control by DCE enabled. Bidirectional RTS/CTS flow control enabled.
3, 2		í 00			Not used.
4		í 0 1			Modem-to-modem flow control disabled. Modem-to-modem flow control enabled.
5		í 0 1			Serial port speed locked. Serial port speed follows connect speed.
6		í 0 1			XON/XOFF signals trapped by local modem. XON/XOFF passed through local modem.

BIT-MAPPED REGISTER S54
Format:			AT [cmds] S54=n [cmds]
Default:			0
Range:			0 - 129
Description:			Controls V.23 direction and extended result codes.
Bit	Value			Function
0	í 0 1			Modem will use 75/1200bps for V.23 mode. Modem will use 1200/75bps for V.23 mode.
6 - 1		000000			Not used.
7		í 0 1			Error correction and compression extended result codes disabled. Error correction extended result codes enabled.

BREAK TYPE
Type:		Configuration
Format:		AT [cmds] \Kn [cmds]
Description:		Configures action of break signal
Command	Break from DTE Reliable/Normal mode		Break from DTE Direct mode	Modem receives \B	Break from remote modem
\K0	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
\K1	Buffers cleared and break sent to remote modem.		Send break to remote modem immediately.	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, then enter command mode.	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 remote modem immediately.	Send break to DTE immediately.
\K4	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Send break to remote modem with transmitted data.	Break sent with received data to the DTE.
\K5	Send break with transmitted data.		Send break to remote modem immediately.	Send break to remote modem with transmitted data.	Break sent with received data to the DTE.

BREAK TYPE
Type:		Register
Format:		AT [cmds] S52=n [cmds]
Description:		Configures action of break signal
Command	Break from DTE Reliable/Normal mode		Break from DTE Direct mode	Modem receives \B	Break from remote modem
S52=0	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
S52=1	Buffers cleared and break sent to remote modem.		Send break to remote modem immediately.	Buffers cleared and break sent to remote modem.	Buffers cleared and break sent to DTE.
S52=2	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Send break to remote modem immediately.	Send break to DTE immediately.
S52=3	Send break to remote modem immediately.		Send break to remote modem immediately.	Send break to remote modem immediately.	Send break to DTE immediately.
S52=4	Enter command mode, do not send break to remote modem.		Send break to remote modem immediately, then enter command mode.	Send break to remote modem with transmitted data.	Break sent with received data to the DTE.
S52=5	Send break with transmitted data.		Send break to remote modem immediately.	Send break to remote modem with transmitted data.	Break sent with received data to the DTE.

BTLZ STRING LENGTH
Type:	Register
Format:	AT [cmds] S58=n [cmds]
Default:	32
Range:	6 - 64
Unit:	1 byte
Description:	Selects BTLZ string length.

COMMUNICATION PROTOCOLS
Type:	Configuration
Format:	AT [cmds] Bn [cmds]
Description:	Selects the communication protocol for data calls.
Command	Protocol
B0	Modem will use ITU-T V.22 at 1200bps.
í B1	Modem will use Bell 212A at 1200bps.
B2	Modem will use ITU-T V.23 at 75/1200bps.
B3	Modem will use ITU-T V.23 at 1200/75bps.

COMPRESSION
Type:	Register
Format:	AT [cmds] S59=n [cmds]
Description:	Selects whether the modem will use data compression.
Command	Function
S59=0	Data compression disabled
í S59=1	Data compression enabled.

CONNECT MODE
Type:	Register
Format:	AT [cmds] S53=n [cmds]
Description:	Controls the type of connection the modem will make.
Command	Function
S53=0	Normal mode enabled.
S53=1	Direct mode enabled.
S53=2	MNP reliable mode enabled.
í S53=3	Auto-reliable mode or MNP auto-reliable mode enabled.
S53=4	V.42 reliable mode enabled.

DISPLAY INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested about the modem.
Command	Function
I0	Displays product identification code.
I1	Displays ROM checksum.
I2	Tests and reports ROM checksum.
I3	Displays ROM component information.
I4	Displays modem features.

DISPLAY FIRMWARE REVISION
Type:	Immediate
Format:	AT [cmds] -V [cmds]
Description:	Displays the current firmware revision.

EPROM CHECKSUM
Type:	Register
Format:	AT [cmds] S99? [cmds]
Description:	Displays the checksum for the EPROM.

EXTENDED RESULT CODES
Type:	Register
Format:	AT [cmds] S41=n [cmds]
Description:	Enables selection of additional result codes.
Command	Function
í S41=0	Enables CONNECT result codes to report DTE speed.
S41=1	Enables CONNECT result codes to report DTE speed with all protocol and compression codes.
S41=2	Enables CONNECT result codes to report DCE speed.

LINE SPEED
Type:	Register
Format	AT [cmds] S37=n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshaking process.
Command	Function
í S37=0	Speed of last connection
S37=3	Set speed to 300bps.
S37=5	Set speed to 1200bps.
S37=6	Set speed to 2400bps.
S37=7	Set speed to 4800bps.
S37=8	Set speed to 7200bps.
S37=9	Set speed to 9600bps.
S37=10	Set speed to 12Kbps.
S37=11	Set speed to 14.4Kbps.
S37=12	Set speed to 16.8Kbps.
S37=13	Set speed to 19.2Kbps.
S37=14	Set speed to 21.6Kbps.
S37=15	Set speed to 24Kbps.
S37=16	Set speed to 26.4Kbps.
S37=17	Set speed to 28.8Kbps.

LOCAL SERIAL PORT SPEED
Type:	Register
Format:	AT [cmds] S62=n [cmds]
Description:	Sets the speed of the local serial port.
Command	Function
S62=0	Set speed to 300bps.
S62=1	Set speed to 600bps.
S62=2	Set speed to 1200bps.
S62=3	Set speed to 2400bps.
S62=4	Set speed to 4800bps.
S62=5	Set speed to 7200bps.
S62=6	Set speed to 9600bps.
S62=7	Set speed to 12Kbps.
S62=8	Set speed to 14.4Kbps.
S62=9	Set speed to 16.8Kbps.
S62=10	Set speed to 19.2Kbps.
S62=11	Set speed to 21.6Kbps.
S62=12	Set speed to 24Kbps.
S62=13	Set speed to 26.4Kbps.
S62=14	Set speed to 28.8Kbps.
S62=15	Set speed to 38.4Kbps.
í S62=16	Set speed to 57.6Kbps.
S62=17	Set speed to 115.2Kbps.

LOCAL SERIAL PORT SPEED - DATA TRANSFER
Type:	Register
Format:	AT [cmds] S72=n [cmds]
Description:	Sets the speed of the local serial port during data transfer.
Command	Function
í S72=0	Use last autobaud speed.
S72=1	Set speed to 300bps.
S72=2	Set speed to 600bps.
S72=3	Set speed to 1200bps.
S72=4	Set speed to 2400bps.
S72=5	Set speed to 4800bps.
S72=6	Set speed to 7200bps.
S72=7	Set speed to 9600bps.
S72=8	Set speed to 12Kbps.
S72=9	Set speed to 14.4Kbps.
S72=10	Set speed to 16.8Kbps. (con’t)

LOCAL SERIAL PORT SPEED - DATA TRANSFER (CON’T)
Command	Function
S72=11	Set speed to 19.2Kbps.
S72=12	Set speed to 21.6Kbps.
S72=13	Set speed to 24Kbps.
S72=14	Set speed to 26.4Kbps.
S72=15	Set speed to 28.8Kbps.
S72=16	Set speed to 38.4Kbps.
S72=17	Set speed to 57.6Kbps.
S72=18	Set speed to 115.2Kbps.

MAXIMUM BLOCK SIZE FOR TRANSMISSION
Type:	Register
Format:	AT [cmds] S49=n [cmds]
Description:	Sets the maximum transmittable block size in MNP mode.
Command	Function
S49=0	Maximum MNP block size is 64 characters.
S49=1	Maximum MNP block size is 128 characters.
S49=2	Maximum MNP block size is 192 characters.
S49=3	Maximum MNP block size is 256 characters.

MODE OF OPERATION
Type:	Register
Format:	AT [cmds] S50=n [cmds]
Description:	Selects whether the modem will operate in data or fax mode.
Command	Function
í S50=0	Modem is in data mode.
S50=1	Modem is in fax mode.

ON-LINE
Type:	Immediate
Format:	AT [cmds] On
Description:	Instructs the modem to return to on-line state.
Command	Function
O0	Return to on-line state.
O1	Return to on-line state and initiate retrain sequence.
O3	Return to on-line state and negotiate 2400bps connection.
O4	Return to on-line state and negotiate 4800bps connection.
O5	Return to on-line state and negotiate 7200bps connection.
O6	Return to on-line state and negotiate 9600bps connection.
O7	Return to on-line state and negotiate 12Kbps connection.
O8	Return to on-line state and negotiate 14.4Kbps connection.
O9	Return to on-line state and negotiate 16.8Kbps connection.
O10	Return to on-line state and negotiate 19.2Kbps connection.
O11	Return to on-line state and negotiate 21.6Kbps connection.
O12	Return to on-line state and negotiate 24Kbps connection.
O13	Return to on-line state and negotiate 26.4Kbps connection.
O14	Return to on-line state and negotiate 28.8Kbps connection.

PROFILE ON POWER-UP
Type:	Register
Format:	AT [cmds] S98=n [cmds]
Description:	Selects the profile to restore into the active profile on power-up.
Command	Function
í S98=0	Restore profile 0 on power-up.
S98=1	Restore profile 1 on power-up.

ROUND TRIP DELAY
Type:	Register
Format:	AT [cmds] S65=n [cmds]
Default:	Read-only
Range:	Unidentified
Unit:	.1 second
Description:	The function of this register is unidentified.

SLEEP TIMER
Type:	Register
Format	AT [cmds] S46=n [cmds]
Default:	255
Range:	0-255
Unit:	.1 second
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode. Setting S46 to 255 disables this feature.

SLEEP TIMER WITH POWER-DOWN
Type:	Register
Format	AT [cmds] S47=n [cmds]
Default:	255
Range:	0-255
Unit:	.1 second
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating power-down sleep mode. Setting S47 to 255 disables this feature.

TRELLIS CODING
Type:	Configuration
Format:	AT [cmds] &Un [cmds]
Description:	Selects whether the modem will use trellis coding.
Command		Function
í &U0		Trellis coding enabled.
&U1		Trellis coding disabled.

V.32 - AUTO-RETRAIN
Type:	Configuration
Format:	AT [cmds] &Bn [cmds]
Description:	Controls auto-retrain function if poor line quality is detected.
Command	Function
&B0	Auto-retrain disabled, modem hangs up.
í &B1	Auto-retrain enabled, modem hangs up if retrain fails.
&B2	Auto-retrain disabled, modem does not hang up.

V.32 - AUTO-RETRAIN
Type:	Register
Format:	AT [cmds] S42=n [cmds]
Description:	Controls auto-retrain function if poor line quality is detected.
Command	Function
S42=0	Auto-retrain disabled, modem hangs up.
í S42=1	Auto-retrain enabled, modem hangs up if retrain fails.
S42=2	Auto-retrain disabled, modem does not hang up.

V.42bis DICTIONARY SIZE
Type:	Configuration
Format:	AT [cmds] S57=n [cmds]
Description:	Selects the size of the V.42bis dictionary.
Command	Function
S57=0	512 byte dictionary selected.
S57=1	1024 byte dictionary selected.
S57=2	1536 byte dictionary selected.