HwMuseum | Index

TRENDWARE INTERNATIONAL, INC.

TEM - 336T PCMCIA

Card Type

Modem/Fax card

Chip Set

Unidentified

NIC Type

Ethernet

Network Transfer Rate

10Mbps

Topology

Star

Wiring Type

RJ-45 Unshielded twisted pair

Maximum Modem Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103A/212A

ITU-T V34, V.32bis, V.32, V.22bis, V.22, V.23, V.21

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

Class 1

Data Bus

PCMCIA

54690

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

A, E, H, M, P, Q, T, V, W, Z

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

Extended AT Commands

\J, \T, \V

-C

S Registers

Note: Status registers are unidentified

 

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

When originating or answering; handshake only at the line speed designated by the S37 register

í N1

When originating or answering; handshake at the line speed designated by the S37 register. Modem can shift to a lower speed if necessary

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

&Q0

Buffered asynchronous mode, serial port speed follows connect speed.

í &Q5

Error correction mode, buffered

&Q8

MNP error correction mode. Automatic fallback to setting specified by register S36

&Q9

V.42 or MNP error correction mode. Automatic fallback to setting specified by register S36

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] Bn [cmds]

Description:

Selects the communication protocol for data calls

Note: The B command allows the simultaneous selection of more than one suffix, enabling multiple protocols.

Command

Protocol

B0

ITU-T V.22 at 300 or 1200bps

í B1

Bell 212A at 300 or 1200bps

B2

V.23 at 1200 receiving, 75bps transmitting in originate mode; 75bps receiving, 1200bps transmitting in answer mode

B3

V.23 at 75 receiving, 1200bps transmitting in originate mode; 1200bps receiving, 75bps transmitting in answer mode

B15

V.21 at 300bps

B16

Bell 103 at 300bps

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 is ignored (assumed on)

&D1

Modem goes to command mode after DTR goes is off

í &D2

Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.

&D3

Modem is initialized after DTR goes off

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

DL

Re-dial last number

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.

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

í &K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

ON-LINE

Type:

Immediate

Format:

AT [cmds] On [cmds]

Description:

Controls on-line command (data transmission) state options.

Note: The O command must be placed at the end of the command string.

Command

Function

O0

On-line command mode with no retraining enabled

O1

On-line command mode with retraining enabled

03

Issue a rate re-negotiation, then return to on-line command mode

PULSE DIALING RATIO (INTERNATIONAL VERSION)

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

&P0

39/61ms at 10pps, 33/67 at 20pps (Japanese version)

&P1

33/67ms at 10pps

PULSE DIALING RATIO (JAPAN VERSION)

Type:

Configuration

Format:

AT [cmds] &Pn [cmds]

Description:

Selects pulse dial make/break ratio

Command

Function

&P0

33/67ms at 20pps

&P1

33/67ms at 10pps

SELECT CALL PROGRESS RESULT CODES

Type:

Configuration

Format:

AT [cmds] Xn [cmds]

Description:

Enables selection of tone detection and associated result code format options

Command

Function

X0

Busy and dial tone detection disabled; display CONNECT or "1" for all speeds

X1

Busy and dial tone detection disabled; display connect message, data rate, and indicate data compression and error correction

X2

Busy tone detection disabled, dial tone detection enabled; display connect message, data rate, and indicate data compression and error correction

X3

Busy tone detection enabled, dial tone detection disabled; display connect message, data rate, and indicate data compression and error correction

í X4 - X6

Busy and dial tone detection enabled; display connect message, data rate, and indicate data compression and error correction

X7

Busy and dial tone detection enabled; display CONNECT or "1" for all speeds

TEST MODES

Type:

Immediate

Format:

AT [cmds] &Tn

Description:

Selects test options

Command

Function

&T0

End current test

&T1

Begin local analog loopback test

&T3

Begin local digital loopback

&T6

Request remote digital loopback

Extended AT Command Set

BACKLIST

Type:

Configuration

Format:

AT [cmds] %Bn [cmds]

Description:

Displays numbers that failed in their last call attempt within two hours of inquiry

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

í %C1

MNP5 and V.42bis data compression and correction 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

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

í \Q3

Bi-directional RTS/CTS flow control enabled