HwMuseum | Index

ARCHTEK CORPORATION

3334BT

Card Type

Modem/Fax card

Chip Set

Texas Instruments

I/O Options

Line out, phone in

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.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

Phone in

CN3

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.

PROPRIETARY AT COMMAND SET

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

í DP

Pulse dialing enabled

DR

Answer mode enabled; originate mode disabled following handshake initiation.

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 silence up to the time specified in S7, is received prior to executing the rest of the dial string.

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

D/

Delays for 125 msec. before proceeding with dial

D#,D*

Extended touch tone pad tones

D$

Displays a list of dial commands

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports four digit product code

I1

Reports ROM checksum

I2

Reports results of RAM self test

I3

Reports product type

I4

Reports current modem settings

I5

Reports NVRAM settings

I6

Reports link diagnostics

I7

Reports product configuration

I9

Reports plug and play information

I11

Reports call statistics

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

L1

Low volume setting

í L2

Medium volume setting

L3

Highest volume setting

RESULT CODES

Type:

Configuration

Format:

AT [cmds] Qn [cmds]

Description:

Enables modem to send result codes to the DTE

Command

Function

Q0

Result code sending enabled

Q1

Result code sending disabled

Q2

Displays result codes in originate mode

Q3

Displays result codes only in ring mode

SELECT CALL PROGRESS RESULT CODES

Type:

Configuration

Format:

AT [cmds] Xn [cmds]

Description:

Enables selection of tone detection and associated result code format options

Command

Function

X0

Busy and dial tone detection disabled; result codes 0 - 4 enabled.

X1

Busy and dial tone detection disabled; result codes 0 - 5 & 10 - 25 enabled.

X2

Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6 & 10 -155 enabled.

X3

Busy tone detection enabled, dial tone detection disabled; result codes 0 - 4, 8 - 155 enabled.

X4

Busy and dial tone detection enabled; result codes 0 -1 & 3 - 155 enabled.

RESET DEFUALT CONFIGURATION

Type:

Configuration

Format:

AT [cmds] Yn [cmds]

Description:

Tells the modem which profile to use the next time the modem is turned on or reset

Command

Function

Y0

Load profile 0

Y1

Load profile 1

Y2

Generic template

Y3

Hardware flow control

Y4

Software flow control

SOFT RESET

Type:

Immediate

Format:

AT [cmds] Zn [cmds]

Description:

Restores modem profiles previously saved in non-volatile RAM using the &W command.

Command

Function

Z0

Restore NVRAM setting selected by Y command

Z1

Restore NVRAM setting 0

Z2

Restore NVRAM setting 1

Z3

Restore factory default setting 0

Z4

Restore factory default setting 1

Z5

Restore factory default setting 2

COMMANDS

Type:

Configuration

Format:

AT [cmds] &$ [cmds]

Description:

Displays a list of ampersand commands

MODIFY RESPONSES

Type:

Configuration

Format:

AT [cmds] &An [cmds]

Description:

Determines whether the modem sends MNP responses

Command

Function

&A0

ARQ result codes disabled

&A1

Append /ARQ to word CONNECT responses when an error correction connection is made.

&A2

Append additional V.32 indicator in result codes for calls at or above 4800bps

&A3

Append protocol of call

DTE INTERFACE

Type:

Configuration

Format:

AT [cmds] &Bn [cmds]

Description:

Controls DTE interface speed

Command

Function

&B0

Change serial port speed to match rate of connection

í &B1

Serial port speed is independent of connection speed

&B2

In answer mode, serial port speed is fixed only for ARQ calls

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

Sets values to standard factory configuration

&F1

Sets values to factory configuration 0

&F2

Sets values to factory configuration 1

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Hn [cmds]

Description:

Enables flow control options

Command

Function

&H0

Flow control disabled

&H1

Hardware flow control enabled

&H2

Software flow control enabled

&H3

Hardware and software flow control enabled

FLOW CONTROL PASS THROUGH

Type:

Configuration

Format:

AT [cmds] &In [cmds]

Description:

Enables flow control options

Command

Function

&I0

XON/XOFF flow control disabled

&I1

Process XON/XOFF signals to your modem and remote system

&I2

Process XON/XOFF signals to your modem only

DATA COMPRESSION

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables data compression

Command

Function

&K0

Data compression disabled

&K1

Data compression is enabled if the DTE data rate is higher than the link rate and the remote DCE supports either MNP5 or V.42bis

&K2

Data compression enabled

&K3

MNP5 disabled, V.42bis enabled

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

&M0

Normal mode

&M4

V.42 auto-reliable mode

&M5

V.42 or MNP reliable mode

CONNECTION SPEED UPPER LIMIT

Type:

Configuration

Format:

AT [cmds] &Nn [cmds]

Description:

Sets required connection speed if &U is set to 0; otherwise, sets fastest allowed connection speed.

Command

Function

&N0

No maximum connect speed.

&N1

Set maximum connect speed to 300bps.

&N2

Set maximum connect speed to 1200bps.

&N3

Set maximum connect speed to 2400bps.

&N4

Set maximum connect speed to 4800bps.

&N5

Set maximum connect speed to 7200bps.

&N6

Set maximum connect speed to 9600bps.

&N7

Set maximum connect speed to 12Kbps.

&N8

Set maximum connect speed to 14.4Kbps.

&N9

Set maximum connect speed to 16.8Kbps.

&N10

Set maximum connect speed to 19.2Kbps.

&N11

Set maximum connect speed to 21.6Kbps.

&N12

Set maximum connect speed to 24Kbps.

&N13

Set maximum connect speed to 26.4Kbps.

&N14

Set maximum connect speed to 28.8Kbps.

&N15

Set maximum connect speed to 31.2Kbps.

&N16

Set maximum connect speed to 33.6Kbps.

PULSE DIALING RATIO

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

í &P0

39/61ms at 10pps (North America)

&P1

33/67ms at 10pps (Europe)

RECEIVE DATA

Type:

Configuration

Format:

AT [cmds] &Rn [cmds]

Description:

Selects RTS options

Command

Function

&R1

RTS is ignored by modem.

í &R2

Modem sends data to DTE only if RTS is on

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

&S0

DSR forced high

&S1

DSR high only while modem is handshaking or connected

CONNECTION SPEED LOWER LIMIT

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Sets slowest allowed connection speed if &N is set to 1 or higher.

Command

Function

í &U0

No minimum connect speed.

&U1

Set minimum connect speed to 300bps.

&U2

Set minimum connect speed to 1200bps.

&U3

Set minimum connect speed to 2400bps.

&U4

Set minimum connect speed to 4800bps.

&U5

Set minimum connect speed to 7200bps.

&U6

Set minimum connect speed to 9600bps.

&U7

Set minimum connect speed to 12Kbps.

&U8

Set minimum connect speed to 14.4Kbps.

&U9

Set minimum connect speed to 16.8Kbps.

&U10

Set minimum connect speed to 19.2Kbps.

&U11

Set minimum connect speed to 21.6Kbps.

&U12

Set minimum connect speed to 24Kbps.

&U13

Set minimum connect speed to 26.4Kbps.

&U14

Set minimum connect speed to 28.8Kbps.

&U15

Set minimum connect speed to 31.2Kbps.

&U16

Set minimum connect speed to 33.6Kbps.

BREAK HANDLING

Type:

Configuration

Format:

AT [cmds] &Yn [cmds]

Description:

Sets break handling

Command

Function

&Y0

Destructive, but doesn’t sent break

&Y1

Destructive, expedited

&Y2

Nondestructive, expedited

S(STATUS) -REGISTERS

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S19=n [cmds]

Default:

0

Unit:

1 second

Description:

Activates when there is no activity on the phone line. Modem hangs up at time-out

Note: S19=0 disables the timer and allows an indefinite duration.

MNP OR V.42 MODE DELAY

Type:

Register

Format

AT [cmds] S21=n [cmds]

Range:

Unidentified

Unit:

10ms

Description:

Sets the length of breaks sent from modem to computer.

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S22=n [cmds]

Range:

Unidentified

Unit:

ASCII

Description:

Sets the character used to represent XON

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S23=n [cmds]

Range:

Unidentified

Unit:

ASCII

Description:

Sets the character used to represent XOFF