Card Type	Modem (asynchronous)
Chipset	Cirrus Logic
Maximum Data Rate	14.4Kbps
Maximum Fax Rate	14.4Kbps
I/O Options	Voice
Data Bus	Serial
Fax Class	Class I
Data Modulation	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis
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	RS-232/422	CN3
Line out	CN2	DC power in	CN4

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
AA	Red	On	Auto-answer enabled
AA	Red	Off	Auto-answer disabled
EC	Red	On	Error correction enabled
EC	Red	Off	Error correction disabled

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

&C, &D, &F, &G, &P, &S, &T, &V, &W, &Y, &Z

Extended AT Commands

\A, \B, \C, \G, \J, \K, \N, \O, \Q, \T, \U, \X, \Y, \Z

%A, %C, %E, %G

Special AT Commands

-C, "H, -J, "O

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S11, S14, S16, S18, S21, S22, S23, S25, S26

S27, S30, S90, S108, S109

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 firmware revision.
I2	Tests and reports ROM checksum.
I3	Reports device ID.

TRELLIS CODING
Type:	Configuration
Format:	AT [cmds] &Un [cmds]
Description:	Selects whether the modem will use trellis coding.
Command		Function
í &U0		Trellis coding enabled.
&U1		Trellis coding disabled.

EXTENDED RESULT CODES
Type:	Configuration
Format:	AT [cmds] \Vn [cmds]
Description:	Selects what form of result codes will be issued.
Command		Function
\V0		Extended result codes disabled.
\V1		/REL added to reliable mode connections.
í \V2		Error correction protocol result codes enabled.