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TELEPORT 33.6 INTERNET

GLOBAL VILLAGE COMMUNICATIONS

TELEPORT 33.6 INTERNET

Card Type

Modem (synchronous/asynchronous)

Chipset

Unidentified

Maximum Data Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation

Bell 103A/212A

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

Rockwell K56+

Fax Modulation

ITU-T V.17, V.29

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class I

Data Bus

Serial

CONNECTIONS

Function

Label

Function

Label

Telephone line out

CN1

DC power in

CN4

Telephone line in

CN2

Power switch

SW1

Macintosh RS-422 serial port

CN3

   

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

LED1

Unidentified

On

Modem is transmitting or receiving data

LED1

Unidentified

Off

Modem is not transmitting or receiving data

LED2

Unidentified

On

Power is on

LED2

Unidentified

Off

Power is off

LED3

Unidentified

On

Modem is connected

LED3

Unidentified

Off

Modem is not connected

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

A, C, D, E, H, L, M, N, Q, V, W, X, Y, Z

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

Extended AT Commands

\A, \B, \C, \G, \J, \K, \N, \Q, \T, \V, \X

%A, %C, %E, %G

Special AT Commands

-C, "H, -J, -K, "N, "O

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, S95, S108

Note: See MHI help file for complete information.

Proprietary AT Command Set

AUTOSYNC HDLC ADDRESS

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

Unidentified

Description:

Sets the HDLC address and bisync character.

AUTOSYNC OPTIONS

Type:

Register

Format

AT [cmds] S19=n [cmds]

Default:

26

Range:

0 - 30

Description:

Controls autosync protocol, HDLC address detection, bit coding, and HDLC idle.

Bit

Value

Function

0

0

Not used

1

0

í 1

Binary synchronous protocol used.

HDLC protocol used.

2

í 0

1

HDLC address detect disabled.

HDLC address detect enabled.

3

0

í 1

NRZI bit coding used.

NRZ bit coding used.

4

0

í 1

HDLC idle sends MARK.

HDLC idle sends FLAG or SYNC.

DISPLAY FIRMWARE REVISION

Type:

Immediate

Format:

AT [cmds] -V [cmds]

Description:

Displays the version of the firmware currently installed.

DISPLAY INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested about the modem.

Command

Function

I0

Displays and information.

I1

Displays ROM checksum.

I2

Tests and reports ROM checksum.

I3

Displays product identification code and version.

I4

Displays modem capabilities.

ESCAPE SEQUENCE TYPE

Type:

Configuration

Format:

AT [cmds] %On [cmds]

Description:

Selects which type of escape sequences may be used.

Command

Function

%O0

Escape sequences disabled.

%O1

TIES (+++AT [cmds]<CR>) escape sequence enabled.

%O2

<BREAK> AT escape sequence enabled.

%O3

<BREAK> AT and TIES escape sequences enabled.

ESCAPE SEQUENCE <CR> WAIT DELAY

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Default:

2

Range:

Unidentified

Unit:

Unidentified

Description:

Sets the amount of time that the modem will wait between receiving the +++AT marking the beginning of an escape sequence and the <CR> ending it.

LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

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

Command

Function

í S37=0

Speed of last connection

S37=3

Set speed to 300bps.

S37=5

Set speed to 1200bps.

S37=6

Set speed to 2400bps.

S37=7

Set speed to 4800bps.

S37=8

Set speed to 7200bps.

S37=9

Set speed to 9600bps.

S37=10

Set speed to 12Kbps.

LINE SPEED (CON’T)

Command

Function

S37=11

Set speed to 14.4Kbps.

S37=12

Set speed to 16.8Kbps.

S37=13

Set speed to 19.2Kbps.

LOCAL SERIAL PORT SPEED

Type:

Register

Format:

AT [cmds] S112=n [cmds]

Description:

Sets the speed of the local serial port.

Command

Function

í S112=0

Use speed of last command.

S112=2

Set speed to 300bps.

S112=3

Set speed to 1200bps.

S112=4

Set speed to 2400bps.

S112=5

Set speed to 4800bps.

S112=6

Set speed to 7200bps.

S112=7

Set speed to 9600bps.

S112=8

Set speed to 12Kbps.

S112=9

Set speed to 14.4Kbps.

S112=10

Set speed to 16.8Kbps.

S112=11

Set speed to 19.2Kbps.

S112=12

Set speed to 38.4Kbps.

S112=13

Set speed to 57.6Kbps.

S112=14

Set speed to 600bps.

ON-LINE

Type:

Immediate

Format:

AT [cmds] On

Description:

Instructs the modem to return to on-line state.

Command

Function

O0

Return to on-line state.

O1

Return to on-line state and initiate retrain sequence.

O3

Return to on-line state and initiate rate negotiation sequence.

PROTOCOL/SPEED

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol the modem will use.

Command

Protocol

B0

Modem will use ITU-T V.22 at 1200bps and V.21 at 300bps.

B1

Modem will use Bell 212A at 1200bps and 103A at 300bps.

B2

Modem will use ITU-T V.23 at 1200/75bps.

B3

Modem will use ITU-T V.23 at 75/1200bps.

B15

Modem will use ITU-T V.21 at 300bps.

B16

Modem will use 103A at 300bps.

B30

Modem will use ITU-T V.22bis at 2400bps.

B41

Modem will use ITU-T V.32 at 4800bps.

B52

Modem will use ITU-T V.32bis at 7200bps.

B60

Modem will use ITU-T V.32 at 9600bps.

B70

Modem will use ITU-T V.32bis at 12Kbps.

B75

Modem will use ITU-T V.32bis at 14.4Kbps.

TRELLIS CODING

Type:

Configuration

Format:

AT [cmds] &Un [cmds]

Description:

Selects whether the modem will use trellis coding.

Command

Function

í &U0

Trellis coding enabled.

&U1

Trellis coding disabled.

V.32/V.32bis/V.32terbo OPTIONS

Type:

Register

Format

AT [cmds] S110=n [cmds]

Description:

Selects options for V.32, V.32bis, and V.32terbo protocols.

Command

Function

S110=0

V.32 enabled.

S110=1

V.32 and V.32bis enabled.

S110=2

V.32 and V.32bis enabled with rate re-negotiation.

S110=3

V.32, V.32bis, and V.32terbo enabled.

í S110=4

V.32, V.32bis, and V.32terbo enabled with rate re-negotiation.

V.32 - AUTO-RETRAIN

Type:

Configuration

Format:

AT [cmds] &Bn [cmds]

Description:

Controls auto-retrain function if poor line quality is detected.

Command

Function

í &B0

Auto-retrain disabled, modem hangs up.

&B1

Auto-retrain enabled, modem hangs up if retrain fails.

&B2

Auto-retrain disabled, modem does not hang up.

V.32terbo - CARRIER SPEED OPTIONS

Type:

Register

Format

AT [cmds] S109=n [cmds]

Default:

62

Range:

0 - 255

Description:

Designates the carrier speeds available for V.32terbo during handshake, retrain, and speed re-negotiations.

Bit

Value

Function

0

0

Not used.

1

0

í 1

4800bps carrier disabled.

4800bps carrier enabled.

2

0

í 1

7200bps carrier disabled.

7200bps carrier enabled.

3

0

í 1

9600bps carrier disabled.

9600bps carrier enabled.

4

0

í 1

12Kbps carrier disabled.

12Kbps carrier enabled.

5

0

í 1

14.4Kbps carrier disabled.

14.4Kbps carrier enabled.

6

0

í 1

16.8Kbps carrier disabled.

16.8Kbps carrier enabled.

7

0

í 1

19.2Kbps carrier disabled.

19.2Kbps carrier enabled.