Card Type	Modem
Chip Set	Unidentified
I/O Options	Line out, line in, microphone in, speaker out
Maximum Modem Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.22, V.22bis, V.23, V.32, V.32bis
Fax Modulation Protocol	ITU-T V.17, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I & II
Data Bus	8-bit ISA

CONNECTIONS
Function	Label		Function		Label
Line out (RJ-11)		CN1		Speaker out		CN3
Line in (RJ-11)		CN2		Microphone in		CN4

SERIAL PORT ADDRESS
Setting	JP8/A	JP8/B
COM1 (3F8h)	Closed	Closed
COM2 (2F8h)	Open	Closed
COM3 (3E8h)	Closed	Open
COM4 (2E8h)	Open	Open

INTERRUPT
Setting	JP8/C	JP8/D	JP8/E	JP8/F
IRQ2	Closed	Open	Open	Open
IRQ3	Open	Closed	Open	Open
IRQ4	Open	Open	Closed	Open
IRQ5	Open	Open	Open	Closed

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, E, H, M, O, P, T, V, X, Y, Z

&C, &F, &G, &M, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

%A, %C, %E, %Q

\A, \B, \C, \G, \J, \K, \Q, \T, \X

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9,S10, S11, S12, S14, S16, S18, S21, S22, S23, S25

S26, S27, S30, S91

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	Function
N0	Auto-mode detection disabled; handshake begins at line speed designated by the %B command
í N1	Auto-mode detection enabled; handshake begins at line speed designated by the %B command and DTE speed

COMMUNICATION PROTOCOLS
Type:	Configuration
Format:	AT [cmds] Bn [cmds]
Description:	Selects the communication protocol for data calls
Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols.
Command	Protocol
B0	ITU-T V.22 at 1200bps
í B1	Bell 212A at 1200bps
B2	ITU-T V.22 at 75/1200Kbps in originate mode, 1200/75Kbps in answer mode

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 ignored
&D1	DTR toggle causes online command mode
&D2	DTR toggle causes modem to go on-hook
&D3	Modem reset on DTR toggle

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
DP	Pulse dialing enabled
DR	Answer mode enabled; originate mode disabled following handshake initiation.
DS=n	Dial stored telephone number n
DT	Tone dialing enabled/Pulse dialing disabled
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^	Data calling tone enabled
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

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
í &K4	XON/XOFF flow control enabled

LINE TYPE
Type:	Configuration
Format:	AT [cmds] &Ln [cmds]
Description:	Selects line type
Command	Line Type
í &L0	Switched line (PSTN/Dial-up)
&L1	Leased line
&L2	Power-on leased line

PULSE DIALING RATIO
Type:	Configuration
Format:	AT [cmds] &Pn [cmds]
Description:	Selects pulse dial make/break ratio
Command	Function
í &P0	39/61ms at 10pps (North America)
&P1	33/67ms at 10pps (Europe)
&P2	39/61ms at 20pps

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports model ID & firmware ID
I5	Reports country code

RESULT CODES
Type:	Configuration
Format:	AT [cmds] Qn [cmds]
Description:	Enables modem to send result codes to the DTE
Command	Function
í Q0	Result code sending enabled
Q1	Result code sending disabled
Q2	"Ring" result code disabled. In answer mode; CONNECT and NO CARRIER disabled

SPEAKER VOLUME
Type:	Configuration
Format:	AT [cmds] Ln [cmds]
Description:	Controls speaker volume
Command	Function
L0	Low volume setting
L1	Low volume setting
í L2	Medium volume setting
L3	Highest volume setting

CONNECTION SPEED
Type:	Configuration
Format:	AT [cmds] %Bn [cmds]
Description:	Selects maximum modem connection speed
Command	Function
%B300	300bps
%B1200	1200bps
%B2400	2400bps
%B4800	4800bps
%B7200	7200bps
%B9600	9600bps
%B12000	12.0Kbps
í %B14400	14.4Kbps

CONNECT MODE
Type:	Configuration
Format:	AT [cmds] \Nn [cmds]
Description:	Controls the type of connection the modem will operate in
Command	Function
\N0	Normal mode enabled
\N1	Direct mode enabled
\N2	MNP reliable mode enabled
í \N3	Auto-reliable mode enabled
\N4	V.42 reliable mode enabled
\N5	V.42/Normal mode enabled
\N6	V.42/MNP mode enabled
\N7	MNP/Normal mode enabled

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects extended result codes
Command	Function
\V0	DCE speed displayed. Extended result codes disabled
\V1	DCE speed; simple reliable mode extended result codes enabled
í \V2	DCE speed; detailed reliable mode extended result codes enabled
\V3	DTE speed only

AUTO-RELIABLE FALLBACK CHARACTER
Type:	Register
Format:	AT [cmds] S29=n [cmds]
Range:	0-127
Unit:	ASCII
Description:	Sets the character used as the auto-reliable fallback character

BIT-MAPPED REGISTER S15
Format:	AT [cmds] S15=n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Controls MNP options, break types, DTE rate adjustments.
Note:	Further information is currently unavailable

BIT-MAPPED REGISTER S17
Format:	AT [cmds] S17=n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Controls relaible mode, data compression, and extended responses
Note:	Further information is currently unavailable

BIT-MAPPED REGISTER S19
Format:	AT [cmds] S19=n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Determines flow control, echo, XON/XOFF pass-through
Note:	Further information is currently unavailable

BIT-MAPPED REGISTER S20
Format:	AT [cmds] S20=n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Sets PC/NEC baud rate options, guard tones
Note:	Further information is currently unavailable

BIT-MAPPED REGISTER S24
Format:	AT [cmds] S24=n [cmds]
Range:	0-255
Unit:	Bit-mapped
Description:	Controls make/break ratio, auto retrain, V.34/VFC, auto mode
Note:	Further information is currently unavailable

BIT-MAPPED REGISTER S28
Format:	AT [cmds] S28=n [cmds]
Range:	Unidentified
Unit:	Bit-mapped
Description:	Determine DCE rate
Note:	Further information is currently unavailable

SLEEP TIMER
Type:	Register
Format	AT [cmds] S13=n [cmds]
Range:	0-255
Unit:	1 second
Description:	Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.