Card Type	Sound card, modem (asynchronous)
Chipset	Unidentified
I/O Options	Audio line in, microphone in, speaker out, voice, speakerphone
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
Fax Modulation	ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
Data Bus	16-bit ISA
Card Size	Full height, half length

CONNECTIONS
Function	Label	Function	Label
Telephone line out	CN1	Audio line in	CN4
Telephone line in	CN2	Speaker out	CN5
Microphone in	CN3

USER CONFIGURABLE SETTINGS
Setting	Label	Position
í Speaker right out amplified	JP1	Pins 1 & 2 closed
Speaker right out not amplified	JP1	Pins 2 & 3 closed
í Speaker left out amplified	JP2	Pins 1 & 2 closed
Speaker left out not amplified	JP2	Pins 2 & 3 closed

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

&C, &D, &F, &K, &P, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \G, \K, \L, \N

%C, %E

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S21, S22, S23, S27, S28, S32

S33, S46, S86

Note: See MHI help file for complete information.

IS-101 COMMANDS

+V Commands

+VDR, +VEM, +VGR, +VGT, +VIP, +VLS, +VNH, +VRX, +VSD, +VSP, +VTD, +VTS, +VTX

Other Commands

#VCID

Note: The functions of the IS-101 commands are unidentified.

UNIDENTIFIED COMMANDS
Command	Default
S31	194
S40	104
S41	195

DISPLAY CHIPSET MANUFACTURER
Type:	Immediate
Format:	AT [cmds] #MFR? [cmds]
Description:	Displays the voice chipset manufacturer’s name.

DISPLAY CHIPSET MODEL NAME
Type:	Immediate
Format:	AT [cmds] #MDL? [cmds]
Description:	Displays the model name of the modem's voice chipset.

DISPLAY CHIPSET REVISION
Type:	Immediate
Format:	AT [cmds] #REV? [cmds]
Description:	Displays the revision level of the modem's voice chipset.

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	Displays DSP firmware revision.
I3	Displays chipset firmware revision, model, and interface.
I4	Displays OEM response.

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=1	Telephone handset used for voice I/O.
#VLS=2	Internal speaker only used for voice I/O.
#VLS=3	External microphone only used for voice I/O.
#VLS=4	Telephone line and handset used for voice I/O; internal speaker enabled.
#VLS=5	Headset 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.
#VLS=8	Connects caller ID relay for recording of conversation over handset.
#VLS=9	Connects handset (or speakerphone) to DSP chip for recording or playback.

VOICE RECEIVE
Type:	Immediate
Format:	AT [cmds] #VRX
Description:	Commands the modem to begin receiving voice data.

VOICE TRANSMIT
Type:	Immediate
Format:	AT [cmds] #VTX
Description:	Commands the modem to begin transmitting voice data.