3334BTV modem/telephone/ISDN Settings and Configuration

Card Type	Modem/Fax card
Chip Set	Texas Instruments
I/O Options	Line out, phone in, line in, microphone jack, speaker jack
Maximum Modem Rate	33.6Kbps
Maximum Fax Rate	14.4Kbps
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34, V.34bis
Fax Modulation Protocol	ITU-T V.17, V.21CH2, 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

CONNECTIONS
Function	Label		Function		Label
Line out		CN2		Speaker jack		CN5
Phone in		CN3		Microphone jack		CN6
Line in		CN4

SERIAL PORT ADDRESS
Setting	J3/A	J3/B	J3/C
COM1 (3F8h)	Closed	Closed	Closed
COM2 (2F8h)	Open	Closed	Closed
COM3 (3E8h)	Closed	Open	Closed
COM4 (2E8h)	Open	Open	Closed
Disabled	Open	Open	Open

INTERRUPT
Setting	J4/A	J4/B	J4/C	J4/D	J4/E
IRQ2	On	Off	Off	Off	Off
IRQ3	Off	On	Off	Off	Off
IRQ4	Off	Off	On	Off	Off
IRQ5	Off	Off	Off	On	Off
IRQ7	Off	Off	Off	Off	On

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘comma’, A/

A, B, E, F, H, M, O, S, V

&C, &D, &G, &T, &W, &Z

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25

Note: See MHI Help File for full command documentation.