FIVE OF DIAMONDS

OSITECH COMMUNICATIONS, INC.

FIVE OF DIAMONDS

Card Type

Modem/Fax card

Chip Set

Unidentified

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 I & II

Data Bus

PCMCIA

54688

SUPPORTED COMMAND SET

Basic AT Commands

AT, A/

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

&C, &F, &L, &P, &R, &T, &V, &W, &Y, &Z

Extended AT Commands

\B, \G, \K, \N

%C, %L, %Q

-K, *H

@M, :E, )M

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S23, S24, S25,

S27, S28, S30, S31, S32, S33, S38, S39, S40, S41, S86, S95

Special Commands

+MS

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

í N1

Auto-mode detection enabled

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

&Q0

Asynchronous mode, serial port speed follows connect speed.

&Q4

Auto-synchronous mode

í &Q5

Error correction mode

&Q6

Buffered asynchronous mode

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode options. Same as &Q

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

Note: The action each variant of &D causes depends on the setting of &Q

&Q Setting

&D0

&D1

&D2

&D3

&Q0, &Q5, &Q6

NONE

Command 1

Command 2

Command 3

&Q1, &Q4

Command 1

Command 1

Command 2

Command 3

&Q2, &Q3

Command 2

Command 2

Command 2

Command 2

Command

Function

Command 0

Modem does not respond to DTR

Command 1

Modem goes to command mode after DTR goes is off

Command 2

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

Command 3

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&

Wait for calling card bong tone detection function enabled. Waits for bong for amount of time specified by the S7 command.

D;

Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.

D^

1300Hz calling tone enabled

GUARD TONE

Type:

Configuration

Format:

AT [cmds] &Gn [cmds]

Description:

No function. Included for compatibility

JACK TYPE

Type:

Configuration

Format:

AT [cmds] &Jn [cmds]

Description:

No function. Included for compatibility

FLOW CONTROL

Type:

Configuration

Format:

AT [cmds] &Kn [cmds]

Description:

Enables flow control options

Command

Function

&K0

Flow control disabled

&K3

RTS/CTS flow control enabled

&K4

XON/XOFF flow control enabled

&K5

Transparent XON/XOFF flow control enabled

&K6

Unidirectional XON/XOFF flow control enabled

LINE MODULATION

Type:

Configuration

Format:

AT [cmds] Fn [cmds]

Description:

Assures a connection at a specific speed

Command

Function

í F0

Auto-detect mode

F1

V.21 or Bell 103

F3

V.23 at 1200/75bps

F4

V.22 at 1200bps

F5

V.22bis at 2400bps

F6

V.22bis or V.32 at 4800bps

F7

V.32bis or V.32 at 7200bps

F8

V.32bis or V.32 at 9600bps

F9

V.32bis at 12.0Kbps

F10

V.32bis at 14.4Kbps

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

í I0

Reports four digit product code

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports firmware manufacturer information

I4

Reports product identification

I5

Reports country code

I6

Reports hardware identification

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; result codes 0 - 4, 8, 22, 40 - 81 enabled.

X1

Busy and dial tone detection disabled; result codes 0 - 5, 8 - 81 enabled.

X2

Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6,

8 - 81 enabled.

X3

Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5,

7 - 81 enabled.

X4

Busy and dial tone detection enabled; result codes 0 - 81 enabled.

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

Extended AT Command Set

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode and fallback/fall-forward

Command

Function

%E0

Auto-retrain disabled

%E1

Auto-retrain enabled

%E2

Auto-fallback/fall-forward enabled

%E3

Auto-retrain enabled; hang-up when EQM reaches hang-up threshold

S (status) Registers

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

Attempt to connect at speed of last connection

S37=1

Attempt to connect at 300bps

S37=2

Attempt to connect at 300bps

S37=3

Attempt to connect at 300bps

S37=4

Attempt to connect at Reserved

S37=5

Attempt to connect at V.22 at 1200bps

S37=6

Attempt to connect at V.22bis at 2400bps

S37=7

Attempt to connect at V.23 at 75/1200bps

S37=8

Attempt to connect at V.32bis/V.32 at 4800bps

S37=9

Attempt to connect at V.32bis/V.32 at 9600bps

S37=10

Attempt to connect at V.32bis at 12.0Kbps

S37=11

Attempt to connect at V.32bis at 14.4Kbps

S37=12

Attempt to connect at V.32bis at 7200bps

S37=15

Attempt to connect at V.FC at 14.4Kbps

S37=16

Attempt to connect at 16.8Kbps

S37=17

Attempt to connect at 19.2Kbps

S37=18

Attempt to connect at 1600bps

S37=19

Attempt to connect at 24.0Kbps

S37=20

Attempt to connect at 26.4Kbps

S37=21

Attempt to connect at 28.8Kbps

ERROR CORRECTION/COMPRESSION

Type:

Register

Format:

AT [cmds] S46=n [cmds]

Description:

Selects active error correction and compression protocols

Command

Function

S46=136

LAP-M only, no compression

S46=138

LAP-M with V.42bis data compression

ERROR CORRECTION NEGOTIATION

Type:

Register

Format

AT [cmds] S36=n [cmds]

Description:

Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q.

Command

Function

S36=0

Hang up

S36=1

Attempt a direct connection

S36=2

Reserved

S36=3

Attempt a buffered connection

S36=4

Attempt a connection at MNP2-4; if that fails, hang up.

S36=5

Attempt a connection at MNP2-4; if that fails, attempt a direct connection.

S36=6

Reserved

S36=7

Attempt a connection at MNP2-4; if that fails, attempt a buffered connection.

FEATURE NEGOTIATION OPTIONS

Type:

Register

Format:

AT [cmds] S48=n [cmds]

Description:

Selects active error correction and compression protocols

Command

Function

S48=0

Detection negotiation disabled, XID negotiation disabled

S48=7

Detection negotiation and XID negotiation enabled

S48=128

Fall-back to options set in S36

Card Type	Modem/Fax card
Chip Set	Unidentified
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 I & II
Data Bus	PCMCIA

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
í N1	Auto-mode detection enabled

COMMUNICATIONS MODE
Type:	Configuration
Format:	AT [cmds] &Qn [cmds]
Description:	Selects communications mode options
Command	Mode
&Q0	Asynchronous mode, serial port speed follows connect speed.
&Q4	Auto-synchronous mode
í &Q5	Error correction mode
&Q6	Buffered 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
Note: The action each variant of &D causes depends on the setting of &Q
&Q Setting		&D0	&D1	&D2	&D3
&Q0, &Q5, &Q6		NONE	Command 1	Command 2	Command 3
&Q1, &Q4		Command 1	Command 1	Command 2	Command 3
&Q2, &Q3		Command 2	Command 2	Command 2	Command 2
Command	Function
Command 0	Modem does not respond to DTR
Command 1	Modem goes to command mode after DTR goes is off
Command 2	Modem goes to command mode and disconnects (hangs up) after DTR goes off; Auto-Answer is disabled.
Command 3	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&	Wait for calling card bong tone detection function enabled. Waits for bong for amount of time specified by the S7 command.
D;	Modem returned to idle state after dialing. The semicolon can only be placed at the end of the dial command.
D^	1300Hz calling tone enabled

GUARD TONE
Type:	Configuration
Format:	AT [cmds] &Gn [cmds]
Description:	No function. Included for compatibility

JACK TYPE
Type:	Configuration
Format:	AT [cmds] &Jn [cmds]
Description:	No function. Included for compatibility

FLOW CONTROL
Type:	Configuration
Format:	AT [cmds] &Kn [cmds]
Description:	Enables flow control options
Command	Function
&K0	Flow control disabled
&K3	RTS/CTS flow control enabled
&K4	XON/XOFF flow control enabled
&K5	Transparent XON/XOFF flow control enabled
&K6	Unidirectional XON/XOFF flow control enabled

LINE MODULATION
Type:	Configuration
Format:	AT [cmds] Fn [cmds]
Description:	Assures a connection at a specific speed
Command	Function
í F0	Auto-detect mode
F1	V.21 or Bell 103
F3	V.23 at 1200/75bps
F4	V.22 at 1200bps
F5	V.22bis at 2400bps
F6	V.22bis or V.32 at 4800bps
F7	V.32bis or V.32 at 7200bps
F8	V.32bis or V.32 at 9600bps
F9	V.32bis at 12.0Kbps
F10	V.32bis at 14.4Kbps

REPORT INFORMATION
Type:	Immediate
Format:	AT [cmds] In [cmds]
Description:	Displays information requested
Command	Function
í I0	Reports four digit product code
I1	Reports ROM checksum
I2	Tests and reports ROM checksum
I3	Reports firmware manufacturer information
I4	Reports product identification
I5	Reports country code
I6	Reports hardware identification

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; result codes 0 - 4, 8, 22, 40 - 81 enabled.
X1	Busy and dial tone detection disabled; result codes 0 - 5, 8 - 81 enabled.
X2	Busy tone detection disabled, dial tone detection enabled; result codes 0 - 6, 8 - 81 enabled.
X3	Busy tone detection enabled, dial tone detection disabled; result codes 0 - 5, 7 - 81 enabled.
X4	Busy and dial tone detection enabled; result codes 0 - 81 enabled.

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

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	Attempt to connect at speed of last connection
S37=1	Attempt to connect at 300bps
S37=2	Attempt to connect at 300bps
S37=3	Attempt to connect at 300bps
S37=4	Attempt to connect at Reserved
S37=5	Attempt to connect at V.22 at 1200bps
S37=6	Attempt to connect at V.22bis at 2400bps
S37=7	Attempt to connect at V.23 at 75/1200bps
S37=8	Attempt to connect at V.32bis/V.32 at 4800bps
S37=9	Attempt to connect at V.32bis/V.32 at 9600bps
S37=10	Attempt to connect at V.32bis at 12.0Kbps
S37=11	Attempt to connect at V.32bis at 14.4Kbps
S37=12	Attempt to connect at V.32bis at 7200bps
S37=15	Attempt to connect at V.FC at 14.4Kbps
S37=16	Attempt to connect at 16.8Kbps
S37=17	Attempt to connect at 19.2Kbps
S37=18	Attempt to connect at 1600bps
S37=19	Attempt to connect at 24.0Kbps
S37=20	Attempt to connect at 26.4Kbps
S37=21	Attempt to connect at 28.8Kbps

ERROR CORRECTION/COMPRESSION
Type:			Register
Format:	AT [cmds] S46=n [cmds]
Description:	Selects active error correction and compression protocols
Command		Function
S46=136		LAP-M only, no compression
S46=138		LAP-M with V.42bis data compression

ERROR CORRECTION NEGOTIATION
Type:	Register
Format	AT [cmds] S36=n [cmds]
Description:	Selects the action of the modem if it fails to connect with the error-correction protocol set in &Q.
Command	Function
S36=0	Hang up
S36=1	Attempt a direct connection
S36=2	Reserved
S36=3	Attempt a buffered connection
S36=4	Attempt a connection at MNP2-4; if that fails, hang up.
S36=5	Attempt a connection at MNP2-4; if that fails, attempt a direct connection.
S36=6	Reserved
S36=7	Attempt a connection at MNP2-4; if that fails, attempt a buffered connection.

FEATURE NEGOTIATION OPTIONS
Type:			Register
Format:	AT [cmds] S48=n [cmds]
Description:	Selects active error correction and compression protocols
Command		Function
S48=0		Detection negotiation disabled, XID negotiation disabled
S48=7		Detection negotiation and XID negotiation enabled
S48=128		Fall-back to options set in S36