Card Type	ISDN TA
Chip Set	Unidentified
I/O Options	Analog adapters (2)
Transfer Rate	56Kbps x 2/64Kbps x 2
Data Bus	Serial
ISDN Protocol	AIMux, PPP, V.120
Switch Type	5ESS, DMS-100, NI-1

CONNECTIONS
Function	Label		Function		Label
DC power in		CN1		Analog adapter 2		CN4
Serial port		CN2		Analog adapter 1		CN5
ISDN U interface		CN3

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Factory configured - do not alter	SW1/1	Off
í Factory configured - do not alter	SW1/2	Off
í Factory configured - do not alter	SW1/3	Off
í Normal operation	SW1/4	Off
TA will reset to factory defaults when powered up	SW1/4	On

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
LS	Red	On	Power is on
LS	Green	On	TA is ready for operation
LS	Red/Green	Blinking	ISDN not synchronized
LS	N/A	Off	Power is off
1	Green	On	Call is connected on analog adapter 1
1	Green	Blinking	Call is being connected on analog adapter 1
1	Green	Off	Analog adapter 1 is idle
2	Green	On	Call is connected on analog adapter 2
2	Green	Blinking	Call is being connected on analog adapter 2
2	Green	Off	Analog adapter 2 is idle
DTE	Green	On	Data call connected with V.120
DTE	Green	Slow blink	Data call being connected
DTE	Green	Blinking	Data call connected with single-channel protocol
DTE	Green	Fast blink	Data call connected with multi-channel protocol
DTE	Green	Off	Data call not connected
RD	Unidentified	On	TA is receiving data
RD	Unidentified	Off	TA is not receiving data
TD	Unidentified	On	TA is transmitting data
TD	Unidentified	Off	TA is not transmitting data

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, A/

A, E, H, O, V, W, X, Z

&F, &S, &W, &Y, &Z

Extended AT Commands

\Q

S-Registers

S0, S1, S2, S3, S4, S5, S7, S10, S12, S18, S25

Note: See MHI help file for complete information.

BEARER CHANNEL - DATA
Type:	Configuration
Format:	AT [cmds] %A98=x [cmds]
Description:	Selects the Bearer Channel the TA will use for data calls.
Command		Function
%A98=A		TA will use 3.1KHz audio Bearer Channel.
í %A98=D		TA will use data Bearer Channel.
%A98=S		TA will use speech Bearer Channel.

BEARER CHANNEL - ANALOG ADAPTER 1
Type:	Configuration
Format:	AT [cmds] *1%A98=x [cmds]
Description:	Selects the Bearer Channel the TA will use for calls that are made with analog adapter 1.
Command		Function
*1%A98=A		TA will use 3.1KHz audio Bearer Channel.
í *1%A98=S		TA will use speech Bearer Channel.

BEARER CHANNEL - ANALOG ADAPTER 2
Type:	Configuration
Format:	AT [cmds] *2%A98=x [cmds]
Description:	Selects the Bearer Channel the TA will use for calls that are made with analog adapter 2.
Command		Function
*2%A98=A		TA will use 3.1KHz audio Bearer Channel.
í *2%A98=S		TA will use speech Bearer Channel.

CALL ANSWERING - 3.1KHz AUDIO
Type:	Configuration
Format:	AT [cmds] %A94=x [cmds]
Description:	Selects whether the TA will auto-answer incoming calls using the 3.1KHz audio Bearer Channel.
Command		Function
í %A94=D		TA will not answer call.
%A94=E		TA will answer call.

CALL ANSWERING - DATA
Type:	Configuration
Format:	AT [cmds] %A95=x [cmds]
Description:	Selects whether the TA will auto-answer incoming calls using the data Bearer Channel.
Command		Function
%A95=D		TA will not answer call.
í %A95=E		TA will answer call.

CALL ANSWERING - SPEECH BEARER
Type:	Configuration
Format:	AT [cmds] %A93=x [cmds]
Description:	Selects whether the TA will auto-answer incoming calls using the speech Bearer Channel.
Command		Function
í %A93=D		TA will not answer call.
%A93=E		TA will answer call.

CALL BUNDLING
Type:	Configuration
Format:	AT [cmds] @B0=n [cmds]
Description:	Selects whether the TA will make two-channel ISDN data calls.
Command		Function
í @B0=1		Call bundling disabled.
@B0=2		Call bundling enabled.

CALLER ID
Type:	Immediate
Format:	AT [cmds] @Ln [cmds]
Description:	Displays or clears the Caller ID log.
Command		Function
@L0		Clears the Caller ID log.
@L1		Displays the most recent Caller ID entry.
@L2		Displays all Caller ID entries.

CALLER ID AUTO-DISPLAY
Type:	Configuration
Format:	AT [cmds] @N1=n [cmds]
Description:	Selects whether the TA will automatically display Caller ID information upon receiving an incoming call.
Command		Function
í @N1=0		Caller ID auto-display disabled.
@N1=1		Caller ID auto-display enabled.

CALLER ID LOGGING
Type:	Configuration
Format:	AT [cmds] @N0=n [cmds]
Description:	Selects whether the TA will log Caller ID information.
Command		Function
í @N0=0		Caller ID logging disabled.
@N0=1		Caller ID logging enabled.

CALLER ID SECURITY
Type:	Configuration
Format:	AT [cmds] @IS=x [cmds]
Description:	Selects which type of security will be used with the Caller ID database.
Command		Function
@IS=B		Call blocking enabled.
í @IS=D		Call security disabled.
@IS=S		Call screening enabled.

CALLER ID SECURITY - ADD
Type:	Configuration
Format:	AT [cmds] @IA=<#> [cmds]
Description:	Adds the number specified to the Caller ID security list.

CALLER ID SECURITY - CLEAR
Type:	Configuration
Format:	AT [cmds] @IC [cmds]
Description:	Clears the Caller ID security table.

CALLER ID SECURITY - COPY TO DATA PORTS
Type:	Configuration
Format:	AT [cmds] @IP [cmds]
Description:	Copies the Caller ID security table to all data ports.

CALLER ID SECURITY - COPY TO VOICE PORTS
Type:	Configuration
Format:	AT [cmds] @IV [cmds]
Description:	Copies the Caller ID security table to all voice ports.

CALLER ID SECURITY - DELETE
Type:	Configuration
Format:	AT [cmds] @ID=<#> [cmds]
Description:	Deletes the number specified from the Caller ID security list.

CALLER ID SECURITY - DISPLAY
Type:	Immediate
Format:	AT [cmds] @IL [cmds]
Description:	Displays the Caller ID security table.

CHAP PASSWORD
Type:	Configuration
Format:	AT [cmds] @M20="xxxx" [cmds]
Description:	Sets the password the TA will send at connection for CHAP authentication if CHAP authentication is requested and no password is provided within the dialing command.

CONFIGURATION WRITE PROTECTION
Type:	Configuration
Format:	AT [cmds] @G=x [cmds]
Description:	Selects whether the user may store changes to the TA's configuration.
Command		Function
í @G=D		Write protection disabled.
@G=E		Write protection enabled.

DATA LENGTH
Type:	Configuration
Format:	AT [cmds] @P4=n [cmds]
Description:	Sets the length of the data words the TA is receiving from the serial port.
Command		Function
@P4=7		TA uses seven data bits.
í @P4=8		TA uses eight data bits.

DATA PARITY
Type:	Configuration
Format:	AT [cmds] @P3=x [cmds]
Description:	Sets the parity of the data the TA is receiving from the serial port.
Command		Function
@P3=E		TA uses even parity.
@P3=M		TA uses mark parity.
í @P3=N		TA uses no parity.
@P3=O		TA uses odd parity.

DATA STOP
Type:	Configuration
Format:	AT [cmds] @P6=n [cmds]
Description:	Sets the number of stop bits the TA is receiving from the serial port.
Command		Function
í @P6=0		TA uses one stop bit.
@P6=1		TA uses one and one half stop bits.
@P6=2		TA uses two stop bits.

DCD SIGNAL
Type:	Configuration
Format:	AT [cmds] &Cn [cmds]
Description:	Configures the behaviour of the DCD signal.
Command	Function
&C0	DCD forced high.
í &C1	DCD normal.
&C2	DCD forced high except during disconnect.

DIAL
Type:	Immediate
Format:	AT [cmds] D<#>;[cmds]
Description:	Dials the telephone number indicated according to any modifiers included in the string.
Command	Function
DS=n	Dial stored telephone number n.
D>P="xxxx"	Dial and send CHAP password xxxx.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

DIAL MODE
Type:	Configuration
Format:	AT [cmds] %A97=x [cmds]
Description:	Selects the type of dialing the TA will use.
Command		Function
í %A97=E		Enbloc dialing enabled.
%A97=O		Overlap dialing enabled.

DIRECTORY NUMBER - DATA
Type:	Configuration
Format:	AT [cmds] !N1=<#> [cmds]
Description:	Sets the DN for data calls.

DIRECTORY NUMBER - ANALOG ADAPTER 1
Type:	Configuration
Format:	AT [cmds] *1!N1=<#> [cmds]
Description:	Sets the DN for analog adapter 1.

DIRECTORY NUMBER - ANALOG ADAPTER 2
Type:	Configuration
Format:	AT [cmds] *2!N1=<#> [cmds]
Description:	Sets the DN for analog adapter 2.

DISPLAY COMMAND SETTINGS
Type:	Immediate
Format:	AT [cmds] >V=x [cmds]
Description:	Displays the specified command settings.
Command		Function
>V=C		Displays ISDN switch configuration.
>V=G		Displays global command settings.

DISPLAY COMMAND SETTINGS
Type:	Immediate
Format:	AT [cmds] &V=x [cmds]
Description:	Displays the specified command settings.
Command		Function
&V		Displays port settings.
&V=E		Displays V.120 command settings.
&V=Z		DIsplays stored telephone numbers.

DISPLAY FIRMWARE VERSION
Type:	Immediate
Format:	AT [cmds] $Q [cmds]
Description:	Displays the firmware version number.

DISPLAY HELP SCREEN
Type:	Immediate
Format:	AT [cmds] &H=xxxx,xxxx,xxxx... [cmds]
Description:	Displays the help screen for the command or commands indicated. If no commands are listed, a generic help screen of a list of all supported commands will be displayed.

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 displays ROM checksum result.
I3	Displays board number, firmware revision, and checksum result.
I4	Displays product ID, supported protocols, firmware date and revision in numeric format.
I8	Displays product ID, supported protocols, firmware date and revision.
I9	Displays Plug-N-Play information.
I10	Displays ISDN connection information.

DTR DIALING
Type:	Configuration
Format:	AT [cmds] &Ln [cmds]
Description:	Selects whether the TA will automatically dial the first stored number when DTR is low and no call is connected.
Command		Function
í &L0		DTR dialing disabled.
&L1		DTR dialing enabled.

DTR SIGNAL
Type:	Configuration
Format:	AT [cmds] &Dn [cmds]
Description:	Configures the behavior of the DTR signal.
Command	Function
&D0	DTR forced high.
&D1	TA will enter command mode on low DTR.
í &D2	TA will disconnect on low DTR.
&D3	TA will disconnect and reset on low DTR.
&D9	DTR dialing enabled.

ECHO CANCELLATION TONE
Type:	Configuration
Format:	AT [cmds] %A96=n [cmds]
Description:	Selects whether the TA will generate an echo cancellation tone.
Command		Function
í %A96=0		Echo cancellation tone disabled.
%A96=1		Echo cancellation tone enabled.

FACTORY DEFAULT PROFILE - ISDN SWITCH
Type:	Configuration
Format:	AT [cmds] >F [cmds]
Description:	Returns the command settings pertaining to the ISDN switch configuration to the values found in the factory default profile.

FIRMWARE UPGRADE
Type:	Immediate
Format:	AT [cmds] $Y=xxxxxx [cmds]
Description:	Begins a firmware upgrade session with the password indicated.

FIRMWARE UPGRADE PASSWORD
Type:	Configuration
Format:	AT [cmds] %P1=xxxxxxxx [cmds]
Description:	Sets the password required to upgrade the firmware to the string indicated. The password must be eight characters or less, case sensitive. If the password is set to a capital D, the password check will be disabled.

ISDN FEATURE - CONFERENCE CALL
Type:	Configuration
Format:	AT [cmds] !V3=n [cmds]
Default:	60
Range:	1 - 63
Unit:	N/A
Description:	Selects the ISDN feature code for conference calling.

ISDN FEATURE - DROP CALL
Type:	Configuration
Format:	AT [cmds] !V4=n [cmds]
Default:	62
Range:	1 - 63
Unit:	N/A
Description:	Selects the ISDN feature code for call dropping.

ISDN FEATURE - TRANSFER CALL
Type:	Configuration
Format:	AT [cmds] !V5=n [cmds]
Default:	61
Range:	1 - 63
Unit:	N/A
Description:	Selects the ISDN feature code for call transferring.

ISDN FEATURE - VOICEMAIL WAITING
Type:	Configuration
Format:	AT [cmds] !V8=n [cmds]
Default:	63
Range:	1 - 63
Unit:	N/A
Description:	Selects the ISDN feature code for waiting voicemail.

LINE SPEED
Type:	Configuration
Format:	AT [cmds] %A4=n [cmds]
Description:	Selects the speed at which the TA will connect.
Command		Function
í %A4=0		Line speed set to 64Kbps.
%A4=1		Line speed set to 56Kbps.

LOCAL SERIAL PORT SPEED
Type:	Configuration
Format:	AT [cmds] @P2=n [cmds]
Description:	Sets the speed of the local serial port.
Command		Function
@P2=300		Sets serial port speed to 300bps.
@P2=1200		Sets serial port speed to 1200bps.
@P2=2400		Sets serial port speed to 2400bps.
@P2=4800		Sets serial port speed to 4800bps.
@P2=9600		Sets serial port speed to 9600bps.
@P2=19200		Sets serial port speed to 19.2Kbps.
@P2=38400		Sets serial port speed to 38.4Kbps.
@P2=57600		Sets serial port speed to 57.6Kbps.
í @P2=115200		Sets serial port speed to 115.2Kbps.
@P2=230400		Sets serial port speed to 230.4Kbps. This disables serial port speed auto-detection.

PROTOCOL - B-CHANNEL
Type:	Configuration
Format:	AT [cmds] %A2=n [cmds]
Description:	Selects the rate adaptation protocol the TA will use.
Command		Function
%A2=2		V.120 protocol selected.
%A2=3		PPP protocol selected.
í %A2=95		AIMux protocol selected.

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [cmds]
Description:	Enables TA to send result codes to the DTE.
Command	Function
í Q0	Result codes enabled.
Q1	Result codes disabled.
Q2	Result codes enabled in originate mode only.

SERVICE PROFILE ID - DATA
Type:	Configuration
Format:	AT [cmds] !C6=<#> [cmds]
Description:	Sets the SPID for data calls.

SERVICE PROFILE ID - ANALOG ADAPTER 1
Type:	Configuration
Format:	AT [cmds] *1!C6=<#> [cmds]
Description:	Sets the SPID for analog adapter 1.

SERVICE PROFILE ID - ANALOG ADAPTER 2
Type:	Configuration
Format:	AT [cmds] *2!C6=<#> [cmds]
Description:	Sets the SPID for analog adapter 2.

SET DATE
Type:	Configuration
Format:	AT [cmds] >D0=mm/dd/yy [cmds]
Description:	Sets the internal clock to the date specified.

SET TIME
Type:	Configuration
Format:	AT [cmds] >D1=hh:mm:ss [cmds]
Description:	Sets the internal clock to the time specified.

SOFT RESET
Type:	Immediate
Format:	AT [cmds] >Z [cmds]
Description:	Resets TA and command settings pertaining to the ISDN switch configuration to the stored profile.

STORE ISDN SWITCH CONFIGURATION
Type:	Configuration
Format:	AT [cmds] >W [cmds]
Description:	Writes the values for the commands pertaining to the ISDN switch configuration into the non-volatile RAM.

SWITCH TYPE
Type:	Configuration
Format:	AT [cmds] !C0=n [cmds]
Description:	Selects the type of ISDN switch the TA is connected to.
Command		Function
!C0=0		TA is connected to AT&T 5ESS switch.
!C0=1		TA is connected to Northern Telecom DMS-100 switch.
í !C0=2		TA is connected to National NI-1 switch.

SWITCH VERSION
Type:	Configuration
Format:	AT [cmds] !C1=n [cmds]
Description:	Selects the version of ISDN switch the TA is connected to.
Command		Function
!C1=0		TA is connected to 5ESS point-to-point switch.
!C1=1		TA is connected to 5ESS multipoint switch.
!C1=2		TA is connected to DMS-100 PVC IC-0 switch.
!C1=3		TA is connected to DMS-100 PVC IC-1 switch.
í !C1=4		TA is connected to NI-1 switch.

TERMINAL ENDPOINT IDENTIFIER - DATA
Type:	Configuration
Format:	AT [cmds] !D3=n [cmds]
Default:	255
Range:	0 - 63, 127, 255
Unit:	N/A
Description:	Selects the TEI for data calls. A value of 127 disables the TEI, and a value of 255 causes the TA to auto-select the TEI.

TERMINAL ENDPOINT IDENTIFIER - ANALOG ADAPTER 1
Type:	Configuration
Format:	AT [cmds] *1!D3=n [cmds]
Default:	255
Range:	0 - 63, 127, 255
Unit:	N/A
Description:	Selects the TEI for analog adapter 1. A value of 127 disables the TEI, and a value of 255 causes the TA to auto-select the TEI.

TERMINAL ENDPOINT IDENTIFIER - ANALOG ADAPTER 2
Type:	Configuration
Format:	AT [cmds] *2!D3=n [cmds]
Default:	255
Range:	0 - 63, 127, 255
Unit:	N/A
Description:	Selects the TEI for analog adapter 1. A value of 127 disables the TEI, and a value of 255 causes the TA to auto-select the TEI.

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 local digital loopback test.
&T8	Begin bilateral loopback est
&T9	Begin terminal loopback test.

V.120 MAXIMUM RECEIVE FRAME SIZE
Type:	Configuration
Format:	AT [cmds] %E1=n [cmds]
Default:	256
Range:	1 - 260
Unit:	1 byte
Description:	Sets the maximum frame size for transmission in V.120 mode.

V.120 MAXIMUM TRANSMIT FRAME SIZE
Type:	Configuration
Format:	AT [cmds] %E0=n [cmds]
Default:	256
Range:	1 - 260
Unit:	1 byte
Description:	Sets the maximum frame size for transmission in V.120 mode.

V.120 TRANSMISSION TIMER
Type:	Configuration
Format:	AT [cmds] %E3=n [cmds]
Default:	5
Range:	1 - 255
Unit:	Unidentified
Description:	Sets the T200 transmission timer for V.120 mode.

V.120 WINDOW SIZE
Type:	Configuration
Format:	AT [cmds] %E2=n [cmds]
Default:	8
Range:	1 - 127
Unit:	1 byte
Description:	Sets the window size for V.120 mode.