Card Type	ISDN, Modem
Chip Set	Unidentified
I/O Options	ISDN interface via RJ-45 connector, headphone, microphone, speaker, 25-pin serial port, power
ISDN Rate	64Kbps x 2
Maximum Modem Rate	56Kbps
Maximum Fax Rate	14.4Kbps
ISDN Modulation Protocol	V.110, V.120, PPP, MLPPP
Data Modulation Protocol	Bell 103J/212A, ITU-T V.21, V.22, V.22bis,V.23, V.32, V.32bis, V.34, K56flex
Fax Modulation Protocol	V.17, V.29, V.27
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
Data Bus	External

CONNECTIONS
Function	Label		Function		Label
ISDN interface (RJ-45 connector)		CN1		25-pin serial port		CN5
Speaker		CN2		Power		CN6
Microphone		CN3		Power switch		SW1
Headphone		CN4

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Transmission channel in high impedence mode	U1	Pins 2 & 3 closed
Transmit termination set to 100Ohm	U1	Pins 1 & 2 closed
í Receive channel in high impedence mode	U2	Pins 2 & 3 closed
Receive termination set to 100Ohm	U2	Pins 1 & 2 closed

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
PWR	Green	On	Power is on
PWR	Green	Off	Power is off
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
RD	Red	On	Modem is receiving data
RD	Red	Off	Modem is not receiving data
MDM	Red	On	Computer interface connected to analog modem/fax
MDM	Red	Off	Computer interface connected to digital modem
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

SUPPORTED COMMAND SET (DIGITAL)

Basic AT Commands

AT, A/

A, E, Q, V, W

&C, &Z

S Registers

S2, S3, S4, S12, S25, S26

Note: See MHI Help File for full command documentation.

SUPPORTED COMMAND SET (ANALOG)

Basic AT Commands

AT, A/

A, B, E, H, M, O, Q, V, W, X, Y, Z

&C, &T, &V, &W, &Y, &Z

Extended AT commands

\A, \B, \K, \N

%C, %E, %L, %Q

#CID

S Registers

S0, S1, S2, S3, S4, S5, S6 ,S7, S8, S9, S10, S11, S12, S18, S29, S30, S32, S33

Special commands

+MS, -K, )M

Voice AT commands

#VBT, #VRX, #VSP, #VSR, #VSS, #VTS, #VTX

Note: See MHI Help File for full command documentation.

DIGITAL OR ANALOG MODEM SELECTION
Type:	Configuration
Format:	AT [cmds] $Mn [cmds]
Description:	Selects digital or analog for preliminary setup
Note:	If the call is being made using the digital section, the remote user is ISDN. If the call is being made using the analog section, the remote user is PSTN
Command	Function
$M0	Computer serial interface is connected to the digital modem section
$M1	Computer serial interface is connected to the analog modem section

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	Originate Mode	Answer Mode
N0	Connection established at speed specified by register S37	Incoming call accepted in accordance with %A2 and register S37
í N1	Connection established at speed of last connection. If greater than 19.2Kbps, the connection will be established at 19.2Kbps	Handshakes at speed of bearer information sent from remote user

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
&Q0	Buffered asynchronous mode
&Q4	Asynchronous mode.

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
Dn1*n2	Dial two numbers n1, and n2 for MLPPP at 128Kbps. If the service access at 128Kbps is over a single telephone number, than make n1 equal to n2.

DIAL USING ANALOG MODEM
Type:	Configuration
Format:	AT [cmds] Pn [cmds]
Description:	When inserted in the dial string, modem makes the call using the analog modem section (if $B0 is selected) or ignores command (if $B1 is selected).

DIAL USING DIGITAL MODEM
Type:	Configuration
Format:	AT [cmds] Tn [cmds]
Description:	When inserted in the dial string, modem makes the call using the digital modem section (if $B0 is selected) or ignores command (if $B1 is selected).

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

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:	Selects whether the modem is on-hook or off-hook
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

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

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
%A2=4	PPP at 64Kbps
%A2=5	MLPPP at 128Kbps

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

DELETE RAM
Type:	Configuration
Format:	AT [cmds] \Z=0000 [cmds]
Description:	Deletes RAM and loads factory configuration 0

FLASH EPROM CODE UPGRADE
Type:	Configuration
Format:	AT [cmds] %Fn [cmds]
Description:	Initiates Flash EPROM code upgrade

KEY ABORT
Type:	Configuration
Format:	AT [cmds] %Pn [cmds]
Description:	Selects data channel
Command	Function
í %P0	Key abort enable
%P1	Key abort disable

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

TEI DEFINITION
Type:	Configuration
Format:	AT [cmds] \T=nn [cmds]
Range:	00-63, 99
Unit:	ASCII
Description:	Sets TEI to a point to point value. 99 causes TEI to be variable.

CALLER ID
Type:	Configuration
Format:	AT [cmds] *In [cmds]
Description:	Enables/disables originate call identification function
Command	Function
*I0	Caller ID disabled
*I1	Caller ID enabled

CTS STATUS
Type:	Configuration
Format:	AT [cmds] *Kn [cmds]
Description:	Controls CTS during handshaking in asynchronous mode.
Command	Function
í *K0	CTS on during handshaking
*K1	CTS off during handshaking

DIAL SELECTOR PSTN/ISDN
Type:	Configuration
Format:	AT [cmds] $Bn [cmds]
Description:	Enables analog and ISDN modem dial parameters
Command	Function
$B0	The dial parameters P (analog modem) and T (ISDN modem) are enabled
$B1	The dial parameters P (analog modem) and T (ISDN modem) are ignored

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

PROGRAMMING PROMPT
Type:	Configuration
Format:	AT [cmds] $Pn [cmds]
Description:	Enables/disables programming prompt
Command	Function
í $P0	Interface prompt disabled
$P1	Interface prompt enabled

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

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.

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: If S0=0, automatic-answering is disabled. The A command must be used to go off-hook.

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
Bit	Value		Function
1, 0	í 0		V.25bis asynchronous mode
2 - 6	í 0		Reserved
7	í 0 1		V.25bis disabled V.25bis enabled

CALL WAITING TIME
Type:	Register
Format	AT [cmds] S13=n [cmds]
Range:	0-255
Unit:	1sec
Description:	Selects the duration that the buzzer/Test led flashes when a new call is detected. A value of 0 disables call waiting time.

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=4	600bps
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
S37=51	48.0Kbps
S37=53	64.OKbps

DOUBLE CALL CHARACTER
Type:	Register
Format:	AT [cmds] S80=n [cmds]
Range:	0-255
Unit:	ASCII
Description:	Contains the character used in a double call (MLPPP)

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=n [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.

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	Function
N0	Auto-mode detection disabled
í N1	Auto-mode detection enabled

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
&D0	DTR override
&D1	DTR toggle causes online command mode
í &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
DL	Re-dial last number
DP	Dial using analog modem section
DS=n	Dial stored telephone number n
DT	Dial using digital modem section
DW	Dialing resumed following dial tone detection
D,	Dialing paused for amount of time specified in S8 register
D!	Flash function initiated. Modem commanded to go off-hook for specified time before returning on-hook.
D@	Wait for Quite Answer function enabled. Modem waits until a "quiet answer," a ring-back signal followed by silence up to the time specified in S7, is received prior to executing the rest of the dial string.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.
D^	Toggle calling tone

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	Factory default profile 0
&F1	Factory default profile 1

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables flow control options
Command	Function
&K0	Flow control disabled
í &K3	RTS/CTS flow control enabled
&K4	XON/XOFF flow control enabled
&K5	Transparent XON/XOFF flow control enabled
&K6	RTS/CTS & XON/XOFF flow control enabled

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &Gn [cmds]
Description:	Commands the modem to transmit a guard tone in V.22/V.22bis
Note: Used primarily for international data transmission
Command	Function
í &G0	Guard tone disabled
&G2	1800Hz guard tone enabled

LINE MODULATION
Type:	Configuration
Format:	AT [cmds] Fn [cmds]
Description:	Command supported only for compatibility. No function is performed

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports maximum line speed
I1	Reports product type
I2	Reports checksum firmware
I3	Reports product name
I4	Reports firmware release
I5	Reports active Country Code

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Controls speaker volume
Command	Function
L1	Low volume setting
L2	Medium volume setting
L3	Highest volume setting

DIAL SELECTOR PSTN/ISDN
Type:	Configuration
Format:	AT [cmds] $Bn [cmds]
Description:	Enables analog and ISDN modem dial parameters
Command	Function
$B0	The dial parameters P (analog modem) and T (ISDN modem) are enabled
$B1	The dial parameters P (analog modem) and T (ISDN modem) are ignored

COMMUNICATION SELECTION
Type:		Configuration
Format:	AT [cmds] #CLS=n [cmds]
Description:	Chooses between: data, fax, and voice-audio mode
Command		Function
#CLS=0		Data mode
#CLS=1		Fax mode
#CLS=8		Voice-audio mode

DATA BAUD RATE SELECTION
Type:	Configuration
Format:	AT [cmds] #BDR=n [cmds]
Range:	1-48
Unit:	n x 2400bps
Description:	Sets the speed of the serial interface. 0 enables autobaud

SPEAKERPHONE OPTIONS
Type:	Configuration
Format:	AT [cmds] #SPK=x,y,z [cmds]
Description:	Sets various options for speakerphone functions.
Command		Function
x=0		Microphone enabled.
x=1		Microphone disabled.
x=3		Room monitor
y=0	No speaker attenuation (maximum volume)
y=15	Speaker attenuation (minimum volume)
y=16	Speaker muted
z=0		Microphone gain set to 0dBm.
z=1		Microphone gain set to 10dBm.
z=2		Microphone gain set to 15dBm.
z=3		Microphone gain set to 20dBm.

VOICE DEVICE
Type:	Configuration
Format:	AT [cmds] #VLS=n [cmds]
Description:	Selects the I/O device for the DSP chip.
Command	Function
#VLS=0	No voice device
#VLS=2	Internal speaker only used for voice I/O.
#VLS=3	External microphone only used for voice I/O.
#VLS=6	Speakerphone used for voice I/O.
#VLS=7	Handset muted by disconnecting handset or speakerphone from telephone line.

VOICE SAMPLE QUALITY
Type:	Configuration
Format:	AT [cmds] #VBS=n [cmds]
Description:	Selects the number of bits per sample that the modem records.
Command	Function
#VBS=2	Modem records 2 bits per sample
#VBS=4	Modem records 4 bits per sample
#VBS=8	Modem records 8 bits per sample

TRANSMISSION LEVEL - FAX
Type:	Register
Format:	AT [cmds] S92=n [cmds]
Range:	3-15
Unit:	-1 dBm
Description:	Sets the signal level for transmission while in fax mode

TRANSMISSION LEVEL - LEASED-LINE
Type	Register or Configuration
Format	AT [cmds] S91=n [cmds]
Range	3-15
Unit	-1 dBm
Description	Sets the signal level for transmission over leased-lines

EXTENDED RESULT CODES
Type:			Register
Format			AT [cmds] S95=n [cmds]
Range:			0-255
Unit:			Bit-mapped
Description:			Works in combination with the Wn command to enable extended result codes.
Bit	Value	ATW0		ATW1	ATW2
0	0 1	CONNECT result code reports DTE speed. CONNECT result code reports line speed		PROTOCOL result codes enabled. CONNECT result code reports DTE speed. PROTOCOL result codes enabled. CONNECT result code reports line speed.	CONNECT result code reports line speed CONNECT result code reports line speed
1	0 1	Disabled CONNECT result code reports DTE speed. /ARQ added to CONNECT result code.		Disabled PROTOCOL result codes enabled. CONNECT result code reports DTE speed. /ARQ added to CONNECT result code.	Disabled CONNECT result code reports line speed. /ARQ added to CONNECT result code.
2	0 1	Disabled CARRIER result codes enabled. CONNECT result code reports DTE speed.		Disabled CARRIER result codes enabled. PROTOCOL result codes enabled. CONNECT result code reports DTE speed.	Disabled CARRIER result codes enabled. CONNECT result code reports line speed.
3	0 1	Disabled PROTOCOL result codes enabled. CONNECT result code reports DTE speed.		Disabled PROTOCOL result codes enabled. CONNECT result code reports DTE speed.	Disabled PROTOCOL result codes enabled. CONNECT result code reports line speed.
4	0	Not used.		Not used.	Not used.
5	0 1	Disabled COMPRESSION result codes enabled. CONNECT result code reports DTE speed.		Disabled PROTOCOL result codes enabled. COMPRESSION result codes enabled. CONNECT result code reports DTE speed.	Disabled COMPRESSION result codes enabled. CONNECT result code reports line speed.