MAXTECH CORPORATION

CL-144S (SF-114HV)

Card Type

Modem/Fax card

Chip Set

Unidentified

I/O Options

Line out (RJ-11), line in (RJ-11), microphone in, speaker out

Maximum Modem Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

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

Fax Modulation Protocol

ITU-T V.17, V.27ter, V.29, V.21

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

RJ-11 line out

CN1

Microphone in

CN3

RJ-11 line in

CN2

Speaker out

CN4

SERIAL PORT ADDRESS

Setting

JP1/A

JP1/B

COM1 (3F8h)

Closed

Closed

COM2 (2F8h)

Open

Closed

COM3 (3E8h)

Closed

Open

COM4 (2E8h)

Open

Open

INTERRUPT

Setting

JP1/C

JP1/D

JP1/E

JP1/F

IR/FONT>

Closed

Open

Open

Open

IRQ3

Open

Closed

Open

Open

IRQ4

Open

Open

Closed

Open

IRQ5

Open

Open

Open

Closed

 

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

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

&C, &F, &G, &T, &V, &W, &Y, &Z

Extended AT Commands

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

%A, %E, %G

-J

"H

S Registers

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

S23, S25, S26, S27, S30, S90, S108, S109

 

Note: See MHI Help File for full command documentation.

PROPRIETARY AT COMMAND SET

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

Selects various options for the automatic detection and negotiation of protocols during the handshake process if the modem is communicating with a remote modem of dissimilar speed.

Command

Function

N0

Auto-mode detection disabled. Connect only at DTE rate

N1

Automatic rate negotiation enabled

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

&M0

Asynchronous mode

DATA SET READY (DSR)

Type:

Configuration

Format:

AT [cmds] &Sn [cmds]

Description:

Selects DSR options

Command

Function

í&S0

DSR forced high

&S1

DSR high only while modem is handshaking or connected

 

DATA TERMINAL READY (DTR)

Type:

Configuration

Format:

AT [cmds] &Dn [cmds]

Description:

Selects modem response to DTR

Command

Function

&D0

DTR override

&D1

DTR toggle causes online command mode

í &D2

Normal DTR operations

&D3

Resets on receipt of DTR

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

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.

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)

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 internal memory test

I3

Reports firmware ID

I4

Reports internal ID

 

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

TRELLIS CODING

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Enables/disables trellis coding

Command

Function

í&U0

V.32 trellis coding enabled

&U1

V.32 trellis coding disabled

EXTENDED AT COMMAND SET

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

MNP5 enabled

CONNECT MODE

Type:

Configuration

Format:

AT [cmds] \Nn [cmds]

Description:

Controls the type of connection the modem will operate in

Command

Function

\N0

Normal mode enabled

\N1

Direct mode enabled

\N2

MNP mode enabled

\N3

V.42, MNP or Normal mode enabled

\N4

V.42 mode enabled

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects extended result codes

Command

Function

\V0

Extended result codes disabled

\V1

Send extended response set 1

í \V2

Send extended response set 2

 

FLOW CONTROL TYPE

Type:

Configuration

Format:

AT [cmds] \Qn [cmds]

Description:

Sets type of flow control used by modem

Command

Function

\Q0

Flow control disabled

\Q1

Bi-directional XON/XOFF flow control enabled

\Q2

CTS flow control by DCE enabled

\Q3

Bi-directional RTS/CTS flow control enabled

INACTIVITY TIMER

Type:

Configuration

Format:

AT [cmds] \Tn [cmds]

Range:

0-90

Unit:

1 second

Description:

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

V.42bis - MAXIMUM STRING LENGTH

Type:

Immediate

Format:

AT [cmds] "On [cmds]

Range:

6-250

Unit:

Characters

Description:

Selects string size for V.42bis compression