SIMA TECHNOLOGY CO., LTD.

V.34S

Card Type

Modem (synchronous/asynchronous)

Chip Set

Unidentified

I/O Options

None

Maximum Data Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

Serial

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

ITU-T V.21, V.22, V.22bis, V.23, V.32, V.32bis, V.34

Rockwell V.FC

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line out

CN1

DC power

CN4

Line in

CN2

Power switch

SW1

RS-232/422

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

MR

Red

On

Power is on

MR

Red

Blinking

Modem is in test mode

MR

Red

Off

Power is off

HS

Red

On

Modem is operating at 4800bps or faster

HS

Red

Off

Modem is operating at slower than 4800bps

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

AA

Red

Blinking

Phone is ringing

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, B, D, E, H, L, M, N, O, P, Q, T, V, W, X, Y, Z

&C, &D, &F, &G, &K, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \G, \K, \L, \N, \W

%C, %F, %L, %Q, %T

Special AT Commands

#CID, :E, *H, -K, )M, @M, -Q

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S21, S22, S23, S24, S25, S27

S29, S30, S31, S32, S33, S36, S38, S39, S40, S46, S48, S86, S91, S92, S95, S201

Note: See MHI documentation for complete information.

Proprietary AT Command Set

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain, auto-fall-back/fall-forward, and the line quality monitor.

Command

Function

í %E0

Line quality monitor and auto-retrain disabled.

%E1

Line quality monitor and auto-retrain enabled.

%E2

Line quality monitor and auto-fallback/fall-forward enabled.

%E3

Line quality monitor, auto-retrain, and fast hangup enabled.

AUTOSYNC

Format

AT [cmds] S19=n [cmds]

Default:

0

Range:

0 - 31

Unit:

Bit-mapped

Description:

Sets options for Hayes AutoSync functions.

Bit

Value

Function

0

0

Not used.

1

í 0

1

BSC enabled.

HDLC enabled.

2

í 0

1

HDLC address detection disabled.

HDLC address detection enabled.

3

í 0

1

NRZI bit encoding enabled.

NRZ bit encoding enabled.

4

í 0

1

Mark idle enabled.

Flag or sync idle enabled.

BIT-MAPPED REGISTER S28

Format

AT [cmds] S28=n [cmds]

Default:

0

Range:

0 - 154

Description:

Controls V.23 split speed mode, pulse dialing ratio, and MNP10 cellular link negotiation speed.

Bit

Value

Function

0

0

Not used

1

í 0

1

75bps transmit, 1200bps receive enabled

1200bps transmit, 75bps receive enabled

2

0

Not used

4, 3

í 00

01

10

11

39ms make/61ms break at 10pps

33ms make/67ms break at 10pps

39ms make/61ms break at 20pps

33ms make/67ms break at 20pps

5

0

Not used

7, 6

í 00

01

10

MNP10 link will be negotiated at highest possible speed.

MNP10 link will be negotiated at 1200bps.

MNP10 link will be negotiated at 4800bps.

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41=n [cmds]

Default:

131

Range:

0 - 219

Description:

Controls compression type, auto-retrain and fall-back/fall-forward, flow control, and MNP mode.

Note:

Be aware that bit 6 is out of order.

Bit

Value

Function

1, 0

00

01

10

í 11

Data compression disabled.

MNP5 enabled.

V.42bis enabled.

MNP5 and V.42bis enabled.

6, 2

í 00

01

10

Auto-retrain disabled.

Auto-retrain enabled.

Fall-back/fall-forward enabled.

3

í 0

1

Flow control disabled.

Flow control enabled.

4

í 0

1

Stream mode for MNP.

Block mode for MNP.

5

0

Not used.

7

0

í 1

Fall-back to V.22bis and V.22 disabled.

Fall-back to V.22bis and V.22 enabled.

COUNTRY CODE

Type:

Configuration

Format:

AT [cmds] *NCnn [cmds]

Description:

Sets the country code for the modem.

DISPLAY CONFIGURATION AND STATISTICS

Type:

Immediate

Format:

AT [cmds] \S [cmds]

Description:

Displays the settings of all commands and statistics about the current connection.

DISPLAY DELAYED NUMBERS

Type:

Immediate

Format:

AT [cmds] *Dn [cmds]

Description:

Displays all numbers on the delayed list.

DISPLAY FORBIDDEN NUMBERS

Type:

Immediate

Format:

AT [cmds] *Bn [cmds]

Description:

Displays all numbers on the forbidden list.

HDLC ADDRESS

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

1 ASCII character

Description:

Sets the HDLC address and BSC character.

LINE SPEED

Type:

Configuration

Format

AT [cmds] Fn [cmds]

Description:

Sets the desired line connection speed.

Command

Function

í F0

Auto-detect connect speed.

F1

Connect at 300bps with V.21 or Bell 103.

F3

Connect at 1200/75bps with V.23.

F4

Connect at 1200bps with V.22 or Bell 212A.

F5

Connect at 2400bps with V.22bis.

F6

Connect at 4800bps with V.32 or V.32bis.

F7

Connect at 7200bps with V.32.

F8

Connect at 9600bps with V.32 or V.32bis.

F9

Connect at 12Kbps with V.32bis.

F10

Connect at 14.4Kbps with V.32bis.

F13

Connect at 14.4Kbps with V.FC.

F14

Connect at 16.8Kbps with V.FC.

F15

Connect at 19.2Kbps with V.FC.

F16

Connect at 21.6Kbps with V.FC.

F17

Connect at 24.4Kbps with V.FC.

F18

Connect at 26.4Kbps with V.FC.

F19

Connect at 28.8Kbps with V.FC.

LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the desired line connection speed.

Command

Function

í S37=0

Auto-detect connect speed.

S37=1

Connect at 75bps.

S37=2

Connect at 110bps.

S37=3

Connect at 300bps.

S37=4

Connect at 600bps.

S37=5

Connect at 1200bps with V.22.

S37=6

Connect at 2400bps with V.22bis.

S37=7

Connect at 1200/75bps with V.23.

S37=8

Connect at 4800bps with V.32 or V.32bis.

S37=9

Connect at 9600bps with V.32 or V.32bis.

S37=10

Connect at 12Kbps with V.32bis.

S37=11

Connect at 14.4Kbps with V.32bis.

S37=12

Connect at 7200bps with V.32bis.

S37=15

Connect at 14.4Kbps with V.FC.

S37=16

Connect at 16.8Kbps with V.FC.

S37=17

Connect at 19.2Kbps with V.FC.

S37=18

Connect at 21.6Kbps with V.FC.

S37=19

Connect at 24.4Kbps with V.FC.

S37=20

Connect at 26.4Kbps with V.FC.

S37=21

Connect at 28.8Kbps with V.FC.

MODULATION SELECTION

Type:

Configuration

Format:

AT [cmds] +MS=x,y,z,a,b,c [cmds]

Description:

Sets options for active protocol; the transfer rates specified by z, a, b, and c must be valid for the protocol selected.

Note:

The z and a parameters specify the minimum and maximum originate mode connect speeds, respectively; the b and c parameters specify the minimum and maximum answer mode connect speeds, respectively.

Command

Function

x=0

Use V.21 modulation.

x=1

Use V.22 modulation.

x=2

Use V.22bis modulation.

x=3

Use V.23 modulation.

x=9

Use V.32 modulation.

x=10

Use V.32bis modulation.

í x=11

Use V.34 modulation.

x=64

Use Bell 103 modulation.

x=69

Use Bell 212A modulation.

x=74

Use V.FC modulation.

MODULATION SELECTION (CON’T)

Command

Function

y=0

Automode disabled.

í y=1

Auto-detect highest speed enabled without V.8 (except V.34 which always uses V.8).

y=2

Auto-detect highest speed enabled with V.8.

z, a, b, c=300

Set minimum or maximum connection speed at 300bps.

z, a, b, c=1200

Set minimum or maximum connection speed at 1200bps.

z, a, b, c=2400

Set minimum or maximum connection speed at 2400bps.

z, a, b, c=4800

Set minimum or maximum connection speed at 4800bps.

z, a, b, c=7200

Set minimum or maximum connection speed at 7200bps.

z, a, b, c=9600

Set minimum or maximum connection speed at 9600bps.

z, a, b, c=12000

Set minimum or maximum connection speed at 12Kbps.

z, a, b, c=14400

Set minimum or maximum connection speed at 14.4Kbps.

z, a, b, c=16800

Set minimum or maximum connection speed at 16.8Kbps.

z, a, b, c=19200

Set minimum or maximum connection speed at 19.2Kbps.

z, a, b, c=21600

Set minimum or maximum connection speed at 21.6Kbps.

z, a, b, c=24000

Set minimum or maximum connection speed at 24Kbps.

z, a, b, c=26400

Set minimum or maximum connection speed at 26.4Kbps.

z, a, b, c=28800

Set minimum or maximum connection speed at 28.8Kbps.

PULSE DIALING MODE

Type:

Configuration

Format:

AT [cmds] *Zn [cmds]

Description:

Sets the number of pulses per digit dialed while in pulse mode.

Command

Function

í *Z0

Number of pulses generated is equal to the dialed digit value (0 digit generates 10 pulses).

*Z1

Number of pulses generated is equal to the dialed digit value plus one (0 digit generates 1 pulse).

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays requested information about the modem.

Command

Function

I0

Reports product identification code.

I1

Reports ROM checksum.

I2

Tests and reports ROM checksum.

I3

Reports firmware version and interface type.

I4

Reports OEM response.

I5

Reports country code.

I6

Reports data pump model and version.

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