Card Type	Modem, Fax
Chip Set	Rockwell
I/O Options	Line in, line out, speaker out, microphone in
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103/212A ITU-T V.21, V.22, V.22bis, V.32, V.32bis, V.34, V.34+
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
Card Size	Half-length, full-height card

CONNECTIONS
Function	Label		Function		Label
Line out		CN1		Microphone in		CN3
Line in		CN2		Speaker out		CN4

SERIAL PORT ADDRESS
Setting	SW1/5	SW1/6
COM1 (3F8h)	On	On
COM2 (2F8h)	Off	On
í COM3 (3E8h)	On	Off
COM4 (2E8h)	Off	Off

INTERRUPT
IRQ	SW1/1	SW1/2	SW1/3	SW1/4	SW1/7
2	Off	Off	Off	Off	On
3	Off	Off	Off	On	Off
4	Off	Off	On	Off	Off
5	Off	On	Off	Off	Off
7	On	Off	Off	Off	Off

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘comma’, A/

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

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

Extended AT Commands

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

%C, %E, %L, %Q

S Registers

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

S27, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41, S46, S48, S82, S86, S95

Special Commands

Note: See MHI Help File for full command documentation.