Card Type	Modem (synchronous/asynchronous)
Chipset	Rockwell
I/O Options	Voice, microphone in, speaker out
Maximum Data Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Bus	External
Fax Class	Class I
Data Modulation	Bell 103A/212A ITU-T 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

CONNECTIONS
Function	Label	Function	Label
Line in	CN1	DC power in	CN4
Line out	CN2	Microphone in	CN5
RS-232/422	CN3	Speaker out	CN6

DIAGNOSTIC LED(S)
LED	Color	Status	Condition
MR	Red	On	Power is on
MR	Red	Off	Power is off
TR	Red	On	DTR signal is high
TR	Red	Off	DTR signal is low
SD	Red	On	Modem is transmitting data
SD	Red	Off	Modem is not transmitting data
RD	Red	On	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

DIAGNOSTIC LED(S) (CON’T)
LED	Color	Status	Condition
RS	Red	On	RTS signal is high
RS	Red	Off	RTS signal is low
CS	Red	On	CTS signal is high
CS	Red	Off	CTS signal is low

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

&C, &D, &F, &G, &K, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \K, \N

%C, %E, %L, %Q

Special AT Commands

+MS

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, S38, S39, S40, S41, S46, S48, S82, S86, S91, S92, S95

Note: See MHI documentation for complete information.

UNIDENTIFIED COMMANDS
Command	Default
S37	0

DISPLAY INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested about the modem.
Command	Function
I0	Reports product identification code.
I1	Reports ROM checksum.
I2	Tests and reports ROM checksum.
I3	Reports firmware revision and model ID.
I6	Reports data pump ID.