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MODEM MASTER 6000

SILICOM MULTIMEDIA SYSTEMS, INC.

MODEM MASTER 6000

Card Type

Modem

Chip Set

Unidentified

Maximum Modem Rate

33.6Kbps

Maximum Fax Rate

14.4Kbps

Data Modulation Protocol

Bell 103/212A

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

Fax Class

I

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Function

Label

Line out (RJ-11)

CN1

Line in (RJ-11)

CN2

SUPPORTED COMMAND SET

Basic AT Commands

AT, +++, A/

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

&C, &F, &G, &P, &R, &W, &Y, &Z

Extended AT Commands

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

%C, %Q

S Registers

S0, S1, S2, S3, S4, S6, S7, S8, S9, S10, S11, S12, S18, S25,S30, S32, S33, S38, S91

Note:

See MHI Help File for full command documentation.

PROPRIETARY AT COMMAND SET

AUTO-MODE DETECTION

Type:

Configuration

Format:

AT [cmds] N n [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. Handshake begins at line speed designated by the S37 register. If S37=0 handshake follows interface speed

N1

Auto-mode detection enabled. Handshake begins at line speed designated by the S37 register. If S37=0 handshake at highest possible speed with fallback to lower speed if necessary

COMMUNICATION PROTOCOLS

Type:

Configuration

Format:

AT [cmds] B n [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 1200bps

B1

Bell 212A at 1200bps

B2

ITU-T V.23 at 75/1200bps in originate mode, 1200/75bps in answer mode

CONFIGURATION PROFILES

Type:

Immediate

Format:

AT [cmds] &V [cmds]

Description:

Displays active and stored configuration profiles

Command

Function

&V0

Display active profile

&V1

Display stored profile

&V2

Display stored telephone numbers

DATA SET READY (DSR)

Type:

Configuration

 

Format:

AT [cmds] &S n [cmds]

 

Description:

Selects DSR options

 

Command

Function

&S0

DSR forced high

 

&S1

DSR high only while modem is handshaking or connected

DATA TERMINAL READY (DTR)

Type:

Configuration

 

Format:

AT [cmds] &D n [cmds]

 

Description:

Selects modem response to DTR

 

Command

Function

&D0

Modem does not respond to DTR

 

&D1

Modem goes to command mode on DTR toggle

 

&D2

Modem goes to command mode and disconnects (hangs up) on DTR toggle;

Auto-Answer is disabled on low DTR.

 

&D3

Modem is initialized on DTR toggle

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

DS=n

Dial stored telephone number n

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] &K n [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

Both RTS/CTS & XON/XOFF flow control enabled

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] I n [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports hardware variation code

I2

Reports internal code

I3

Reports software revision number

I4

Reports product feature listing

SPEAKER VOLUME

Type:

Configuration

 

Format:

AT [cmds] L n [cmds]

 

Description:

Controls speaker volume

 

Command

Function

 

L0

Speaker disabled

L1

Low volume setting

 

L2

Low volume setting

 

L3

Low volume setting

TEST MODES

Type:

Immediate

Format:

AT [cmds] &T n

Description:

Selects test options

Command

Function

&T0

End current test

&T1

Begin local analog loopback test

TRELLIS CODING

Type:

Configuration

 

Format:

AT [cmds] &U n [cmds]

 

Description:

Enables/disables trellis coding

 

Command

Function

&U0

V.32 trellis coding enabled

 

&U1

V.32 trellis coding disabled

EXTENDED AT COMMANDS

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

 

Format:

AT [cmds] %E n [cmds]

 

Description:

Controls auto-retrain mode and fallback/fall-forward

 

Command

Function

 

%E0

Auto-retrain disabled

 

%E1

Auto-retrain enabled

%E2

Auto-retrain and fallback enabled

 

%E3

Auto-retrain and fast hang-up enabled

DYNAMIC CPU LOADING

Type:

Configuration

 

Format:

AT [cmds] %N n [cmds]

 

Description:

Selects dynamic CPU loading options

 

Command

Function

 

%N0

Dynamic CPU loading disabled

 

%N1

Dynamic CPU loading not to exceed 10%

 

%N2

Dynamic CPU loading not to exceed 20%

 

%N3

Dynamic CPU loading not to exceed 30%

 

%N4

Dynamic CPU loading not to exceed 40%

 

%N5

Dynamic CPU loading not to exceed 50%

 

%N6

Dynamic CPU loading not to exceed 60%

%N7

Dynamic CPU loading not to exceed 70%

 

%N8

Dynamic CPU loading not to exceed 80%

 

%N9

Dynamic CPU loading not to exceed 90%

SPECIAL COMMANDS

INVALID TIES RESULT CODE

Type:

Configuration

 

Format:

AT [cmds] *Q n [cmds]

 

Description:

Controls the result code sent when an invalid TIES escape sequence is detected after OK response has been sent

 

Command

Function

*Q0

CONNECT xxxx result code sent when an invalid TIES escape sequence is detected after OK response has been sent

 

*Q1

xxxx result code sent when an invalid TIES escape sequence is detected after OK response has been sent

S(STATUS) - REGISTERS

CONNECTION FAILURE CODES

Type:

Register

Format

AT [cmds] S86? [cmds]

Description:

Reports codes which correspond to the possible causes of a connection failure

Value

Meaning

0

Normal hang up

4

Carrier signal lost

5

No error-control detected for remote modem during feature negotiation

6

Remote modem failed to respond to feature negotiation

9

No common protocol found

12

No failure - remote modem disconnected normally

13

Remote modem failed to respond after 10 re-transmissions same message

14

Violation of negotiated protocol caused failure

15

Loss of data compression caused failure

20

Long Space Disconnect (Y1) time limit reached

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 highest possible speed

S37=3

300bps

S37=4

1200bps

S37=6

2400bps

S37=7

4800bps

S37=8

7200bps

S37=9

9600bps

S37=10

12.0Kbps

S37=11

14.4Kbps

S37=12

V.34

V.34 BAUD RATE

Type:

Register

Format

AT [cmds] S35= n [cmds]

Description:

Sets the maximum allowable baud rate for V.34 negotiation.

Command

Function

S35=0

2400bps

S35=1

2743bps

S35=2

2800bps

S35=3

3000bps

S35=4

3200bps

S35=5

3429bps

V.34 BIT RATE

Type:

Register

Format

AT [cmds] S34= n [cmds]

Range (2400bps):

0 - 8

Range (3000bps):

1 - 10

Range (3200bps):

1 - 11

Range (3429bps):

1 - 13

Default:

13

Bit Rate:

(S34 + 1) * 2400bps

Description:

Sets maximum bit rate for V.34 negotiation