Card Type	Modem
Chip Set	Unidentified
I/O Options	Line out, line in, 25-pin DTE port, speaker out, microphone in, power
Maximum Modem Rate	56Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.22, V.22bis, V.32, V.32bis, V.34, 56Kflex
Fax Modulation Protocol	ITU-T V.17, V.21 CH.2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis
Fax Class	Class I
Data Bus	External

CONNECTIONS
Function	Label	Function	Label
Line out (RJ-11)	CN1	Speaker out	CN5
Line in (RJ-11)	CN2	Microphone in	CN6
25-pin DTE port	CN3	Power switch	SW1
Power	CN4

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
HS	Unidentified	On	Modem is operating at 2400bps or higher
HS	Unidentified	Off	Modem is operating at speed lower than 2400bps
AA	Unidentified	On	Auto-answer enabled
AA	Unidentified	Off	Auto-answer disabled
CD	Unidentified	On	Carrier signal detected
CD	Unidentified	Off	Carrier signal not detected
OH	Unidentified	On	Modem is off hook
OH	Unidentified	Off	Modem is on hook
SD	Unidentified	On	Modem is transmitting data
SD	Unidentified	Off	Modem is not transmitting data
RD	Unidentified	On	Modem is receiving data
RD	Unidentified	Off	Modem is not receiving data
TR	Unidentified	On	DTR signal is high
TR	Unidentified	Off	DTR signal is low
MR	Unidentified	On	Power is on
MR	Unidentified	Off	Power is off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, A/

A, B, E, H, M, 0, Q, V, W, X, Y, Z

&C, &J, &M, &P, &Q, &R, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

%E, %L, %Q

\A, \B, \K, \N

Special Commands

#CID

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9,S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25

S26, S27, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41, S46, S48, S82, S91, S92, S95

Note: See MHI Help File for full command documentation.

AUTO-MODE DETECTION
Type:	Configuration
Format:	AT [cmds] N n [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 S37 register. If S37=0 handshake follows interface speed
N1	Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake at highest possible speed with fallback to lower speed if necessary

DATA SET READY (DSR)
Type:	Configuration
Format:	AT [cmds] &S n [cmds]
Description:	Selects DSR options
Command	Function
&S0	DSR forced high
&S1	DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)
Type:	Configuration
Format:	AT [cmds] &D n [cmds]
Description:	Selects modem response to DTR
Note: The action each variant of &D causes depends on the setting of &Q
&Q Setting	&D0	&D1	&D2	&D3
&Q0, &Q5, &Q6	Command 0	Command 1	Command 2	Command 4
&Q1, &Q4	Command 2	Command 1	Command 2	Command 4
&Q2, &3	Command 2	Command 2	Command 2	Command 2
Command	Function
Command 0	Modem does not respond to DTR
Command 1	Modem goes to command mode after DTR goes is off
Command 2	Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
Command 3	Modem is initialized after DTR goes off

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	Pulse dialing enabled
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 5 seconds of silence is received prior to executing the rest of the dial string.

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 factory configuration 0
&F1	Load factory configuration 1

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

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &G n [cmds]
Description:	Commands the modem to transmit a guard tone in V.22/V.22bis
Command	Function
&G0	Guard tone disabled
&G1	Guard tone disabled
&G2	1800Hz guard tone enabled

LINE TYPE
Type:	Configuration
Format:	AT [cmds] &L n [cmds]
Description:	Selects line type
Command	Line Type
&L0	Switched line (PSTN/Dial-up)

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] I n [cmds]
Description:	Displays information requested
Command	Function
I0	Reports product ID code
I1	Reports ROM checksum
I2	Reports "ERROR"
I3	Reports firmware version 1
I4	Reports firmware version 2
I5	Reports country code
I6	Reports data pump model and internal code
I7	Reports DAA code

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

TRANSMIT CARRIER
Type:	Configuration
Format:	AT [cmds] C n [cmds]
Description:	Controls the transmit carrier switching
Command	Function
C1	Transmit carrier enabled

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \V n [cmds]
Description:	Selects extended result codes
Command	Function
\V0	Connect messages are controlled by: X, W, and register S95
\V1	Extended result codes enabled

STANDARD DTE SPEED
Type:	Configuration
Format:	AT [cmds] %N n [cmds]
Description:	Selects
Command	Function
%N0	Standard DTE speed enabled
%N1	Non-standard DTE speed for 8/10MHz NEC PC enabled
%N2	Non-standard DTE speed for 5/10/12/20/25 MHz PC98

MODULATION SELECTION
Type:	Configuration
Format:	AT [cmds] +MS= x,y,z,a,b,c [cmds]
Description:	Sets options for active protocol; the transfer rates specified by z and a must be valid for the protocol selected.
Command	Function
x=0	V.21
x=1	V.22
x=2	V.22bis
x=3	V.23
x=9	V.32
x =10	V.32bis
x=11	V.34
x=56	K56flex
x =64	Bell 103
x =69	Bell 212A
y =0	Automode disabled
y =1	Auto-detect highest speed enabled
z, a=300	Set minimum or maximum transfer rate at 300bps, respectively.
z, a =1200	Set minimum or maximum transfer rate at 1200bps, respectively.
z, a =2400	Set minimum or maximum transfer rate at 2400bps, respectively.
z, a =4800	Set minimum or maximum transfer rate at 4800bps, respectively.
z, a =7200	Set minimum or maximum transfer rate at 7200bps, respectively.
z, a =9600	Set minimum or maximum transfer rate at 9600bps, respectively.
z, a =12000	Set minimum or maximum transfer rate at 12000bps, respectively.
z, a =14400	Set minimum or maximum transfer rate at 14400bps, respectively.
z, a =16800	Set minimum or maximum transfer rate at 16800bps, respectively.
z, a =19200	Set minimum or maximum transfer rate at 19200bps, respectively.
z, a =21600	Set minimum or maximum transfer rate at 21600bps, respectively.
z, a =24000	Set minimum or maximum transfer rate at 24000bps, respectively.
z, a =26400	Set minimum or maximum transfer rate at 26400bps, respectively.
z, a =28800	Set minimum or maximum transfer rate at 28800bps, respectively.
z, a =33600	Set minimum or maximum transfer rate at 33600bps, respectively.
z, a =56000	Set minimum or maximum transfer rate at 56000bps, respectively.
b =0	m
b= 1	A
c =0	Robbed bit signaling disabled
c=1	Robbed bit signaling enabled

BIT-MAPPED REGISTER S19
Format	AT [cmds] S19= n [cmds]
Range:	Unidentified
Default:	0
Unit:	Bit-mapped
Description:	Selects autosync options. Further information is unavailable

BIT-MAPPED REGISTER S20
Format	AT [cmds] S19= n [cmds]
Range:	0-255
Default:	0
Unit:	Bit-mapped
Description:	Selects autosync HDLC address or BSC sync character options. Further information is unavailable