DIGICOM SYSTEMS

SCOUT PCMCIA 14.4 V.32

Card Type

Modem/Fax card

Chip Set

Unidentified

Maximum Modem Rate

14.4Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103A/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Unidentified

Data Bus

PCMCIA

54677

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

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

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

Extended AT Commands

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

%A, %G, %Q

-C, -J

"H, "O

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S25, S26, S90, S108, S109

 

Note: See MHI Help File for full command documentation.

Proprietary AT Command Set

BUFFER CONTROL

Type:

Configuration

Format:

AT [cmds] Kn [cmds]

Description:

Enables/disables SRAM buffer

Command

Function

K0

SRAM buffer disabled

í K1

SRAM buffer enabled

DATA RATE HANDSHAKE

Type:

Configuration

Format:

AT [cmds] Nn [cmds]

Description:

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

Command

Function

N0

In originate or answer mode, handshake at line speed designated by the S37 register

N1

In originate or answer mode, handshake begins at line speed designated by the S37 register. Modem can shift to a slower speed if necessary.

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 disabled in asynchronous mode (&Q0)

&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

&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

í I0

Reports product code

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Device set name

I4

Reports modem configuration (see registry below)

Range:

0-31

Unit:

Bit-mapped

Bit

Value

Function

0

0

1

Hayes escape sequence

TIES escape sequence

1

0

1

Data/fax/voice without V.42 firmware

Data/fax/voice with V.42 firmware

2

0

1

Serial host interface

Parallel host interface

3

0

1

No external static RAM present

External static RAM present

4

0

1

8K x 8 static RAM present

32K x 8 static RAM present

5-7

0

Reserved

Note: Bit 4 is valid only if bit 3=1

SPEAKER VOLUME

Type:

Configuration

Format:

AT [cmds] Ln [cmds]

Description:

Controls speaker volume

Command

Function

L0

Low volume setting

í L1

Low volume setting

L2

Medium volume setting

L3

Highest volume setting

TRELLIS CODING

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Instructs modem whether it will receive and transmit modulated 9600bps carrier with Trellis encoding for V.32

Command

Function

í &U0

Trellis coding enabled

&U1

Trellis coding disabled

EXTENDED AT COMMAND SET

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode

Command

Function

í %E0

Auto-retrain disabled

%E1

Auto-retrain enabled

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break to remote if reliable mode in connect state

Break to remote if reliable mode in command state

Receive at serial port if direct mode in connect state

Receive at modem port, send to serial port in connect state

\K0

Online command mode enabled, send no break to remote modem

Enter command state; do not send break

Send break immediately and enter command state

Destructive/

expedited

\K1

Destructive/ expedited

Destructive/ expedited

Send break immediately

Destructive/ expedited

\K2

Online command mode enabled, send no break to remote modem

Enter command state; do not send break

Send break immediately and enter command state

Non-destructive/ expedited

\K3

Non-destructive/ expedited

Non-destructive/ expedited

Send break immediately

Non-destructive/ expedited

\K4

Online command mode enabled, send no break to remote modem

Enter command state; do not send break

Send break immediately and enter command state

Non-destructive/ non-expedited

\K5

Non-destructive/ non-expedited

Non-destructive/ non-expedited

Send break immediately

Non-destructive/ non-expedited

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

Reliable mode enabled

í \N3

Auto-reliable mode enabled

\N4

V.42 reliable mode enabled

EXTENDED RESULT CODES

Type:

Configuration

Format:

AT [cmds] \Vn [cmds]

Description:

Selects result codes supported by modem

Command

Function

\V0

Codes defined by ATV command enabled

\V1

Modified MNP code enabled

\V2

V.42 codes enabled

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

S(STATUS) -REGISTERS

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Range:

0-111

Unit:

Bit-mapped

Description:

Selects synchronous/asynchronous mode, line type, clock source, and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

000

001

010

011

100

Asynchronous mode, serial port speed follows connect speed

Asynchronous off-line command mode and synchronous connect mode

Asynchronous off-line command mode; modem autodials first number in directory, then synchronous connect mode

Asynchronous off-line command mode on low DTR, synchronous connect mode on high DTR

Auto-synchronous mode

2

0

1

Switched line

Leased line

5, 4

00

01

10

Local modem generates transmit clock source

Local DTE generates transmit clock source

Remote DCE/DTE generates transmit clock source

6

0

1

ITU/T mode

Bell mode

DCE LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the maximum allowable data exchange rate attempted during handshake process.

Command

Function

S37=0

Speed of last connection

S37=1

Reserved

S37=2

Reserved

S37=3

300bps

S37=4

Reserved

S37=5

1200bps

S37=6

2400bps

S37=7

4800bps

S37=8

7200bps

S37=9

9600bps

S37=10

12.0Kbps

S37=11

14.4Kbps

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S30=n [cmds]

Range:

0-90

Unit:

1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process.

Note: S30=0 disables the timer and allows indefinite inactivity.

TEST MODES

Type:

Register

Format:

AT [cmds] S16=n [cmds]

Range:

0-125

Unit:

Bit-mapped

Description:

Controls loopback tests, analog, digital, remote digital, and self tests.

Bit

Value

Function

0

0

1

Local analog loopback not in progress

Local analog loopback in progress

1

0

Not used

2

0

1

Local digital loopback not in progress

Local digital loopback in progress

3

0

1

Modem not in remote digital loopback

Remote digital loopback in progress

4

0

1

Remote digital loopback not requested

Remote digital loopback requested

5

0

1

Remote digital loopback w/ self-test and error count not in progress

Remote digital loopback w/ self-test and error count in progress

6

0

1

Local analog loopback w/ self-test not in progress

Local analog loopback w/ self-test in progress