MAXTECH CORPORATION

14400BPS TURBOMODEM INTERNAL

Card Type

Modem (asynchronous)

Chip Set

Unidentified

Maximum Data Rate

14.4Kbps

Data Bus

8-bit ISA

Data Modulation Protocol

Bell 103/212A

ITU-T V.21, V.22, V.22bis, V.32, V.32bis

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

Line out

CN2

SERIAL PORT ADDRESS

Setting

SW1/1

SW1/2

í COM1 (3F8h)

On

On

COM2 (2F8h)

Off

On

COM3 (3E8h)

On

Off

COM4 (2E8h)

Off

Off

INTERRUPT

Setting

SW1/3

SW1/4

SW1/5

SW1/6

2

On

Off

Off

Off

3

Off

On

Off

Off

í 4

Off

Off

On

Off

5

Off

Off

Off

On

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘Comma’, A/

A, B, D, E, H, L, M, O, Q, S, V, X, Y, Z

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

Extended AT Commands

\A, \B, \C, \E, \G, \J, \K, \O, \Q, \U, \V, \X, \Y, \Z, %A, %C

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S25, S26, S27

Note: See MHI Help file for full command documentation.

Proprietary AT Command Set

ANSWER/ORIGINATE TONES

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Select the type of tone the modem will use to connect

Command

Function

í &K0

Originate tones enabled

&K1

Answer tones enabled

PROPRIETARY BIT MAPPED REGISTERS

Register

Function

Default

S28

Callback security and power-up auto-dial

Unidentified

CALLLBACK SECURITY

Type:

Configuration

Format:

AT [cmds] %Sn [cmds]

Description:

Controls callback security

Command

Function

í %S0

Callback security disabled

%S1

Callback security enabled

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

í \N0

Normal mode enabled

\N1

Direct mode enabled

\N2

Reliable mode enabled

\N3

Auto-reliable mode enabled

\N4

V.42 reliable mode enabled

\N5

V.42 auto-reliable mode enabled

\N6

V.42/MNP/normal mode enabled

ENQ/ACK

Type:

Configuration

Format:

AT [cmds] \Hn [cmds]

Description:

Allows modem to act on, then transmit XON/XOFF characters.

Command

Function

í \H0

Disabled

\H1

ENQ/ACK enabled in host mode

\H2

ENQ/ACK enabled in terminal mode

FACTORY DEFAULT PROFILE

Type:

Configuration

Format:

AT [cmds] &Fn [cmds]

Description:

Sets values in active profile to values found in the default profile

Command

Function

í &F0

Factory defaults enabled

&F1

MNP5/V.42bis configuration with XOFF flow control enabled

&F2

MNP5/V.42bis configuration with CTS flow control enabled

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Default:

0

Range:

0-90

Unit:

1 minute

Description:

Sets the length of time that the modem does not receive information before it disconnects.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports ROM checksum

I2

Tests internal memory

I3

Reports MNP/V.42/V.42bis identification