SNT06/1 modem/telephone/ISDN Settings and Configuration

Card Type	ISDN TA
Chip Set	Unidentified
I/O Options	Power, ISDN interface via RJ-45 connector, 25-pin serial port
ISDN Rate	128Kbps
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate ISDN Modulation Protocol	14.4Kbps V.110, V.120
Data Modulation Protocol	Unidentified
Fax Modulation Protocol	V.17, V.29, V.27ter
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & 2
Data Bus	External

CONNECTIONS
Function	Label		Function		Label
Power		CN1		ISDN interface (RJ-45 connector)		CN3
25-pin serial port		CN2		Power switch		SW1

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Transmission channel in high impedence mode	U1	Open
Transmit termination set to 100Ohm	U1	Closed
í Receive channel in high impedence mode	U2	Open
Receive termination set to 100Ohm	U2	Closed

PORT INTERFACE SELECTION
Setting	U13	U14	U15	U16	U17	U18	U19
í V.24/V.28 interface	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2	1 & 2
V.35 interface	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3	2 & 3
Note: Pins designated are in the closed position

POWER ON CONFIGURATION
Setting	DS1/1	DS1/2	DS1/3	DS1/4
í Unidentified	Off	Off	Off	Off
Factory configuration 0	Off	Off	On	Off
Factory configuration 1	On	Off	On	Off
Factory configuration 2	Off	On	On	Off
Factory configuration 3	On	On	On	Off
Asynchronous V25bis	Off	Off	Off	On
Synchronous V25bis	Off	Off	On	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Green	Off	Power is off
TST	Red	On	Unit is conducting a test
TST	Red	Blinking	Error detected during self test
TST	Red	Off	Unit not conducting a test
EC	Red	On	Error correction enabled/active
EC	Red	Off	Error correction disabled/inactive
B1	Red	On	B1 channel in use
B1	Red	Off	B1 channel inactive
B1	Red	Blinking	B1 channel busy
B2	Red	On	B2 channel in use
B2	Red	Off	B2 channel inactive
B2	Red	Blinking	B2 channel busy
DSR	Red	On	Terminal Adapter is ready
DSR	Red	Off	Terminal Adapter not ready
DTR	Red	On	Computer is ready
DTR	Red	Off	Computer is not ready
TD	Red	On	Modem is transmitting data
TD	Red	Off	Modem is not transmitting data
CTS	Red	On	CTS signal is high. TA ready to send data
CTS	Red	Off	CTS signal is low
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
DCD	Red	On	Data carrier present
DCD	Red	Off	Data carrier not present. Connection not established
Note: Since the SNT06/1 is equipped with only one V24/V.28 interface connector, only one set of connection LEDs may be present or active.

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, E, Q, V, W

&C, &R, &Z

Extended AT commands

%C, %E, %L

S Registers

S3, S4, S12, S25, S26

V.25bis commands

CIC, CRN, CRS, DIC, PRN

Note: See MHI Help File for full command documentation.

AUTO-MODE DETECTION
Type:	Configuration
Format:	AT [cmds] Nn [cmds]
Description:	Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.
Command	Asynchronous Mode	Synchronous Mode
N0	If the DTE interface is equal or more than 38.4Kbps and S37=255, the connection is active at 38.4Kbps. Otherwise, connection is established at speed selected by S37.	If the DTE interface is equal or more than 115.2Kbps and S37=255, the connection is active at 64Kbps in transparent mode. Otherwise, connection is established at speed selected by S37.
í N1	Line connection speed starts at 19.2Kbps and follows DTE interface.	Line connection speed starts at 48Kbps V.110 and follows DTE interface.

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Mn [cmds]
Description:	Selects communications mode options
Command	Mode
&M0	Buffered asynchronous mode
&M4	Direct mode (V.110)

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
&Q0	Buffered asynchronous mode
&Q1	Asynchronous off-line command mode and synchronous connect mode.
&Q2	Asynchronous off-line command mode. Modem autodials first number in directory, then synchronous connect mode.
&Q4	Direct mode (V.110)

CONFIGURATION PROFILES
Type:	Immediate
Format:	AT [cmds] &V [cmds]
Description:	Displays active and stored configuration profiles
Command	Function
&V0	Displays the active profile, the 0 and 1st user configuration and the first four stored numbers
&V1	Displays the 2nd and 3rd user configuration
&V2	Displays every stored phone number
&V3	Displays the supplementary services profile

DATA COMPRESSION
Type:	Immediate
Format:	AT [cmds] &Un
Description:	Selects data compression
Command	Function
í &U0	Data compression disabled
&U1	Error corrected data compression enabled (V.120)

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &Sn [cmds]
Description:	Selects DSR options
Command	Function
í &S0	DSR forced high
&S1	DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Selects modem response to DTR
Command	Function
í&D0	DTR override
&D1	DTR toggle causes online command mode
&D2	Normal DTR operations
&D3	Resets on receipt of DTR

DIAL
Type:	Immediate
Format:	AT [cmds] D<#> [cmds]
Description:	Dials telephone number according to any modifiers included in the string
Note:	Any combination of modifiers can be used to produce the desired dial functions in sequence.
Command	Function
DS=n	Dial stored telephone number n (0-19)

FACTORY DEFAULT PROFILE
Type:	Configuration
Format:	AT [cmds] &F [cmds]
Description:	Sets values in active profile to values found in the default profile
Command	Function
&F0	Load active profile the factory profile 0
&F1	Load active profile the factory profile 1
&F2	Load active profile the factory profile 2
&F3	Load active profile the factory profile 3

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables flow control options
Command	Function
&K0	Flow control disabled
&K3	RTS/CTS flow control enabled
&K4	XON/XOFF flow control enabled. Modem does not transmit XON/XOFF characters received from computer to remote
&K8	Unidirectional XON/XOFF flow control enabled
&K12	XON/XOFF flow control enabled. Modem transmits XON/XOFF characters received from computer to remote
&K16	V.110 XON/XOFF flow control enabled. Flow control between local and remote modems only. Flow control between modem and computer is disabled.
&K20	V.110 XON/XOFF flow control enabled.

HOOK CONTROL
Type:	Immediate
Format:	AT [cmds] Hn [cmds]
Description:	Hangs up the TA from the ISDN network
Command	Function
H0	Modem commanded to go on-hook (hang-up)

ON-LINE
Type:	Immediate
Format:	AT [cmds] On [cmds]
Description:	Controls on-line command (data transmission) state options.
Command	Function
O0	On-line command mode with no retraining enabled

PULSE DIALING
Type:	Configuration
Format:	AT [cmds] P [cmds]
Description:	For compatibility purposes only. Performs no function

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports model
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports revision level
I4	Display central office

RESTORE PROFILE ON POWER-UP
Type:	Configuration
Format:	AT [cmds] &Yn [cmds]
Description:	Restores a selected profile into the active profile on power-up (hard reset)
Command	Function
&Y0	Restore profile 0 on power-up
&Y1	Restore profile 1 on power-up
&Y2	Restore profile 2 on power-up
&Y3	Restore profile 3 on power-up

SELECT CALL PROGRESS RESULT CODES
Type:	Configuration
Format:	AT [cmds] Xn [cmds]
Description:	Enables selection of tone detection and associated result code format options
Command	Function
X0	Result codes 0 - 4 enabled.
X1	Extended result codes enabled.

SOFT RESET
Type:	Immediate
Format:	AT [cmds] Zn [cmds]
Description:	Restores modem profiles previously saved in non-volatile RAM using the &W command.
Command	Function
Z0	Restore setting 0
Z1	Restore setting 1
Z2	Restore setting 2
Z3	Restore setting 3

STORE ACTIVE PROFILE
Type:	Configuration
Format:	AT [cmds] &Wn [cmds]
Description:	Writes the values for the active profile into the non-volatile RAM
Command	Function
&W0	Write the active profile to stored profile 0
&W1	Write the active profile to stored profile 1
&W2	Write the active profile to stored profile 2
&W3	Write the active profile to stored profile 3

TEST MODES
Type:	Immediate
Format:	AT [cmds] &Tn
Description:	Selects test options
Command	Function
&T0	End current test
&T1	Begin local analog loopback test
&T3	Begin B1 channel local digital loopback

TONE DIALING
Type:	Configuration
Format:	AT [cmds] T [cmds]
Description:	For compatibility purposes only. Performs no function

B-CHANNEL PROTOCOL
Type:	Configuration
Format:	AT [cmds] %A2=n [cmds]
Description:	Determines rate adaptation protocol on B-channel
Command	Function
í %A2=2	V.110
%A2=3	V.120

B-CHANNEL SELECTION
Type:	Configuration
Format:	AT [cmds] %A3=n [cmds]
Description:	Selects data channel
Command	Function
í %A3=2	B1 channel selected. If busy select B2 channel
%A3=3	B1 channel selected. If busy initiate hang-up
%A3=4	B2 channel selected. If busy select B1 channel
%A3=5	B2 channel selected. If busy initiate hang-up

COMMAND SET
Type:	Configuration
Format:	AT [cmds] %Vn [cmds]
Description:	Defines the AT or V.25bis command set
Command	Function
%V0	AT command set
%V1	Asynchronous V.25bis command set
%V3	Synchronous V.25bis HDLC command set

COMPRESSION
Type:	Configuration
Format:	AT [cmds] %Cn [cmds]
Description:	Selects data compression
Command	Function
%C0	Data compression disabled
%C1	Error corrected data compression enabled (V.120)

RESET
Type:	Configuration
Format:	AT [cmds] %Z1 [cmds]
Description:	Master reset and load the configuration specified by the &Y command

CALLER ID
Type:	Configuration
Format:	AT [cmds] *In [cmds]
Description:	Controls the Caller ID function
Command	Function
*I0	Caller ID disabled
*I1	Caller ID enabled

MULTISUBSCRIBER NUMBER
Type:	Configuration
Format:	AT [cmds] *Mn [cmds]
Description:	Permits the association of a maximum of 8 consecutive numbers to a BRI access of the national plan number
Command	Function
í *M0	MSN disabled
*M1	MSN enabled

STORE CALLER ID NUMBER
Type:	Configuration
Format:	AT [cmds] !N1=n [cmds]
Description:	Stores telephone number n for the caller ID function. !N1=? displays the stored telephone number.

STORE MULTISUBSCRIBER NUMBER
Type:	Configuration
Format:	AT [cmds] !N2=n [cmds]
Description:	Stores own telephone number n for the MSN. !N2=? displays the stored multisubscriber number.

STORE SUBADDRESS NUMBER
Type:	Configuration
Format:	AT [cmds] !N3=n [cmds]
Description:	Stores subaddress field with a maximum of four numbers. !N3=? displays the stored subaddress field.

SUBADDRESS
Type:	Configuration
Format:	AT [cmds] *Sn [cmds]
Description:	Identifies address of called modem
Command	Function
í *S0	Subaddress function disabled
*S1	Subaddress function enabled

LOCAL CONFIGURATION
Type:	Immediate
Format:	CNLn
Description:	Any AT command may be entered as a parameter of this command

REQUEST LIST OF STORED NUMBERS
Type:	Immediate
Format:	RLN
Description:	Requests the list of phone numbers stored in memory

AUTO ANSWER RING COUNT
Type:	Register
Format	AT [cmds] S0=n [cmds]
Range:	1-5
Unit:	1 ring
Description:	Sets the number of rings allowed before the modem automatically goes off-hook
Note: Default value S0=0, disables automatic-answering.

BACKSPACE CHARACTER
Type:	Register
Format	AT [cmds] S5=n [cmds]
Range:	0-127
Unit:	ASCII
Description:	Selects a character used for backspace <BS>

BIT-MAPPED REGISTER S31
Type:				Register
Format:		AT [cmds] S31=n [cmds]
Range:		0-255
Description:		Selects V.25bis command mode
Note:		AT Command mode is selected if all bits are set to 0
Bit	Value		Function
1,0	í 0		V.25bis asynchronous mode
7	í 0 1		V.25bis disabled V.25bis enabled

DCE LINE SPEED
Type:	Register
Format	AT [cmds] S37=n [cmds]
Description:	Sets the maximum allowable data exchange rate attempted during handshake process.
Command	Function
S37=0, 255	Speed of last connection
S37=5	1200bps
S37=6	2400bps
S37=15	4800bps
S37=16	7200bps
S37=17	9600bps
S37=18	12.0Kbps
S37=19	14.4Kbps
S37=27	19.2Kbps
S37=50	38.4Kbps (asynchronous only)
S37=51	48.0Kbps (synchronous only)
S37=53	64.0Kbps (synchronous only)

ESCAPE CHARACTER
Type:	Register
Format	AT [cmds] S2=n [cmds]
Range:	0-127
Unit:	ASCII
Description:	Selects a character used for the escape sequence
Note: A value greater than 127 will disable the escape sequence.

FLOW CONTROL
Type:		Register
Format:	AT [cmds] S49=n [cmds]
Description:	Displays the value of the &K command, which specifies the DTE flow control setting
Command		Function
S49=0		No DTE flow control
S49=3		RTS/CTS flow control enabled
S49=4		Bi-directional XON/XOFF flow control enabled
S49=5		Transparent bi-directional XON/XOFF flow control enabled

NO CARRIER TIME-OUT
Type:	Register
Format	AT [cmds] S7=n [cmds]
Range:	1-255
Unit:	1 second
Description:	Maximum wait time the modem uses after dialing to detect a carrier signal from the remote modem for both originating and answering calls.

POINTER FOR CALL-BACK AND AUTOLOGON
Type:	Register
Format	AT [cmds] S34=n [cmds]
Range:	0-20, 255
Unit:	Unidentified
Description:	Establishes the memory location accessed to initiate autologon or callback procedures. 20 will cause the phonebook to scroll. 255 disables function

RING COUNT
Type:	Register
Format	AT [cmds] S1 [cmds]
Range:	1-5
Unit:	1 ring
Description:	Counts the number of ring-cycles the modem receives
Note: S1 is reset to 0 if no ring is detected within an eight-second window.