Card Type	Modem (asynchronous)
Chipset	Unidentified
I/O Options	Microphone in, speaker out, voice, speakerphone, SVD
Maximum Data Rate	33.6Kbps
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 Rockwell V.FC
Fax Modulation	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, MNP10EC, V.42, V.42bis
Fax Class	Class I
Data Bus	Serial

CONNECTIONS
Function	Label	Function	Label
AC power in	CN1	Speaker out	CN4
Serial port via 9-pin mini-DIN	CN2	Microphone in	CN5
Telephone line out	CN3

POWER SWITCH
Setting	SW1
Standby; wait for incoming call	Position 1
Power is off	Position 2
Power is on	Position 3

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
TD	Red	Blinking	Modem is transmitting data
TD	Red	Off	Modem is not transmitting data
RD	Red	Blinking	Modem is receiving data
RD	Red	Off	Modem is not receiving data
OH	Red	On	Modem is off-hook
OH	Red	Off	Modem is on-hook
CD	Red	On	Carrier signal detected
CD	Red	Off	Carrier signal not detected
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
AA	Red	Blinking	Phone is ringing
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
POWER	Red	On	Power is on
POWER	Red	Off	Power is off
Note: The exact locations of the individual LEDs are unidentified.

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

&C, &D, &F, &G, &K, &Q, &R, &S, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \G, \L, \N, \V

%C, %E, %L, %Q

Special AT Commands

:E, *H, -K, )M, @M, +MS, -Q

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S24, S25, S29, S30, S32, S33, S38

S48, S82, S86, S95

Note: See MHI help file for complete information.

UNIDENTIFIED COMMANDS
Command	Default
\K	Unidentified

DISTINCTIVE RING
Format:			AT [cmds] -SDR=a,b [cmds]
Default:			a = 0, b = 0
Range:			a = 0 - 7, b = 0, 1
Description:			Selects which distinctive ring signals the modem will respond to and how it will respond.
a Bit	a Value			Function
0	í 0 1			Modem will not answer ring type 1. Modem will answer ring type 1.
1		í 0 1			Modem will not answer ring type 2. Modem will answer ring type 2.
2		í 0 1			Modem will not answer ring type 3. Modem will answer ring type 3.
Value						Meaning
í b=0						Modem will display all ring types 2 and 3 as RING.
b=1						Modem will display ring type 1 as RING1, ring type 2 as RING2, and ring type 3 as RING3.

MODE SELECTION
Type:	Immediate
Format:	AT [cmds] #CLS=n [cmds]
Description:	Selects which mode the modem will operate in.
Command	Function
#CLS=0	Modem will operate in data mode.
#CLS=1	Modem will operate in fax class 1 mode.
#CLS=8	Modem will operate in voice mode.

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=2		Microphone enabled with maximum gain, speaker disabled.
y		Default:	5
		Range:	0 - 16
		Unit:	-2 dBm
		Description:	Sets the attenuation level for speaker output in voice mode. A value of 16 will mute the speaker.
z=0		Microphone gain set to 0 dBm.
z=1		Microphone gain set to 6 dBm.
z=2		Microphone gain set to 9.5 dBm.
z=3		Microphone gain set to 12 dBm.

SVD DATA BURST
Type:	Configuration
Format:	AT [cmds] -SMC=n [cmds]
Description:	Selects whether the modem will increase data throughput when no audio signal is detected during an SVD connection.
Command		Function
-SMC=0		Data burst disabled.
í -SMC=1		Data burst enabled.

SVD BANDWIDTH
Type:	Configuration
Format:	AT [cmds] -SMS=a,b,c,d [cmds]
Description:	Selects the configuration, throughput levels, and baud rate that the mode will attempt to use for SVD mode.
Command		Function
a=0		SVD mode disabled.
a=2		SVD mode enabled.
í a=3		Auto-detect correct mode.
b,c=4800		Sets the minimum and maximum combined voice and data speed to 4800bps, respectively.
b,c=7200		Sets the minimum and maximum combined voice and data speed to 7200bps, respectively.
b,c=9600		Sets the minimum and maximum combined voice and data speed to 9600bps, respectively.
b,c=12000		Sets the minimum and maximum combined voice and data speed to 12Kbps, respectively.
b,c=14400		Sets the minimum and maximum combined voice and data speed to 14.4Kbps, respectively.
í d=0		Auto-detects correct baud rate.
d=1		Sets ML288 baud rate to 2400 baud.
d=2		Sets ML288 baud rate to 2743 baud.
d=3		Sets ML288 baud rate to 2800 baud.
d=4		Sets ML288 baud rate to 3000 baud.
d=5		Sets ML288 baud rate to 3200 baud.
d=6		Sets ML288 baud rate to 3429 baud.

SVD MODULATION
Type:	Configuration
Format:	AT [cmds] -SQS=m,n [cmds]
Description:	Selects which modulation type the modem will use for SVD mode.
Command		Function
m=0		Selects V.61 modulation.
m=1		Selects ML144 modulation.
í m=2		Selects ML288 modulation.
n=0		Modem will not auto-detect the correct modulation.
í n=1		Modem will auto-detect the correct modulation.

VOICE DEVICE
Type:	Configuration
Format:	AT [cmds] #VLS=n [cmds]
Description:	Selects the I/O device for the DSP chip.
Note:	This modem may not support all options listed below. The #VLS? command will display the available options.
Command	Function
í #VLS=0	Telephone line and handset used for voice I/O.
#VLS=5	Headset used for voice I/O.
#VLS=6	Speakerphone used for voice I/O.