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BANKSIA TECHNOLOGY PTY., LTD.

MAC MODEM 288

Card Type

Fax, Modem (synchronous/asynchronous)

Chip Set

Unidentified

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

External

Fax Class

Class I & II

Data Modulation Protocol

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

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, MNP10, 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

PWR

Red

On

Power is on

PWR

Red

Off

Power is off

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

DTR

Red

On

DTR signal is high

DTR

Red

Off

DTR signal is low

DCD

Red

On

Carrier signal detected

DCD

Red

Off

Carrier signal not detected

CTS

Red

On

Modem ready to receive data

CTS

Red

Off

Modem not ready to receive data

RTS

Red

On

Computer ready to receive data

RTS

Red

Off

Computer not ready to receive data

RXD

Red

On

Modem is receiving data

RXD

Red

Off

Modem is not receiving data

TXD

Red

On

Modem is transmitting data

TXD

Red

Off

Modem is not transmitting data

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

TST

Red

On

Modem in test mode

TST

Red

Off

Modem not in test mode

SUPPORTED COMMAND SET

Basic AT Commands

AT, ‘+++’, ‘Comma’, A/

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

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

Extended AT Commands

\A, \B, \G, \K, \L, %C, %L, %Q

S Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18, S21, S22, S24, S25, S26

S29, S30, S31, S32, S33, S36, S37, S38, S39, S46, S48, S82, S86, S91, S92, S95

Special Commands

*H, -K, -Q, )M, @M, :E, +MS

Note: See MHI Help file for full command documentation.

Proprietary AT Command Set

AUTOSYNC™

Format

AT [cmds] S19=n [cmds]

Default:

0

Range:

0-30

Unit:

Bit-mapped

Description:

Sets options for Hayes AutoSync™ functions

Bit

Value

Function

0

í 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

NZI bit encoding enabled

4

í 0

1

Mark idle enabled

Flag or sync idle enabled

AUTOSYNC ADDRESS CHARACTER

Type:

Register

Format:

AT [cmds] S20=n [cmds]

Default:

0

Range:

0-255

Unit:

1 byte

Description:

Defines the BSC sync character or the HDLC address

AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

Type:

Configuration

Format:

AT [cmds] %En [cmds]

Description:

Controls auto-retrain mode and fallback/fall-forward

Command

Function

í %E0

Auto-retrain disabled

%E1

Auto-retrain enabled

%E2

Auto-fallback/fall-forward enabled

%E3

Auto-retrain enabled, hang-up when EQM threshold reached

BIT-MAPPED REGISTER S23

Format

AT [cmds] S23=n [cmds]

Default:

Unidentified

Range:

0-191

Unit:

Bit-mapped

Description:

Grants/denies remote digital loopback, controls DTE rate and parity, and sets guard tone.

Bit

Value

Function

0

0

1

Remote digital loopback denied

Remote digital loopback allowed

3 - 1

000

001

010

011

100

101

110

111

Sets serial port speed to 0-300bps

Sets serial port speed to 600bps

Sets serial port speed to 1200bps

Sets serial port speed to 2400bps

Sets serial port speed to 4800bps

Sets serial port speed to 9600bps

Sets serial port speed to 19200bps

Sets serial port speed to 38400bps

5, 4

00

01

10

11

Parity even

Not used

Parity odd

Mark or No Parity

7, 6

00

01

10

Guard tone disabled

Not used

Guard tone 1800Hz enabled

BIT-MAPPED REGISTER S27

Format

AT [cmds] S27=n [cmds]

Default:

9

Range:

0-127

Unit:

Bit-mapped

Description:

Selects asynchronous mode, line type, clock source, and ITU-T/Bell modes.

Bit

Value

Function

3, 1, 0

000

001

010

011

100

í 101

110

111

Asynchronous mode, serial port speed follows connect speed

Not used

Not used

Not used

Not used

Error correction mode

Buffered asynchronous mode

Not used

2

í 0

1

Switched line

Leased line

5, 4

í 00

01

10

Local modem generates transmit clock source

Local DTE generates transmit clock source

Remote DCE/DTE generates transmit clock source

6

í 0

1

ITU/T mode

Bell mode

BIT-MAPPED REGISTER S28

Format

AT [cmds] S28=n [cmds]

Default:

8

Range:

0-154

Unit:

Bit-mapped

Description:

Controls transmit/receive speed, pulse dialing, and MNP link negotiation.

Bit

Value

Function

0

í 0

Not used

1

í 0

1

75bps transmit, 1200bps receive enabled

1200bps transmit, 75bps receive enabled

2

í 0

Not used

4, 3

00

í 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

í 0

Not used

7, 6

í 00

01

10

Link will be negotiated at highest possible speed

Link will be negotiated at 1200bps

Link will be negotiated at 4800bps

BIT-MAPPED REGISTER S40

Format

AT [cmds] S40=n [cmds]

Default:

105

Range:

0-255

Unit:

Bit-mapped

Description:

Controls power level and break handling; selects MNP extended services, and block size.

Bit

Value

Function

1, 0

00

01

í 10

MNP extended services disabled

MNP extended services enabled

MNP extended services enabled without indicating MNP on the answer detection phase.

2

í 0

1

Power level adjustment enabled

Power level adjustment disabled

5, 4, 3

000

001

í 010

011

100

101

\K0

\K1

\K2

\K3

\K4

\K5

7, 6

00

01

10

í 11

MNP block size is 64 characters

MNP block size is 128 characters

MNP block size is 192 characters

MNP block size is 256 characters

BIT-MAPPED REGISTER S41

Format

AT [cmds] S41=n [cmds]

Default:

131

Range:

0-219

Unit:

Bit-mapped

Description:

Selects compression, auto-retrain/auto-fallback/fall-forward, flow control, MNP mode and V.22/22bis fallback.

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

Auto-fallback/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

í 0

Not used

7

0

í 1

MNP at 2400 and 1200bps disabled

MNP at 2400 and 1200bps enabled

BIT-MAPPED REGISTER S201

Format:

AT [cmds] S201=n [cmds]

Default:

58

Range:

0-62

Description:

Controls power level and compromise equalizer

Bit

Value

Function

4 - 0

í 00000

00001

00010

...

01010

01011

...to...

11111

Initial power level -26dBm

Initial power level -30dBm

Initial power level -10dBm

...

Initial power level -10dBm

Initial power level -11dBm

...to...

Initial power level -31dBm

5

0

í 1

Equalizer disabled

Equalizer enabled

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE during Normal/Reliable mode

Break received from remote modem during normal mode

Break from DTE during Direct mode

\K0

Online command mode enabled, send no break to remote modem

Buffers cleared, break sent to DTE

Online command mode enabled, break sent to remote modem

\K1

Buffers cleared, sends break to remote modem

Buffers cleared, break sent to DTE

Send break to remote modem immediately

\K2

Online command mode enabled, send no break to remote modem

Break sent immediately to DTE

Online command mode enabled, break sent to remote modem

\K3

Send break to remote modem immediately

Break sent immediately to DTE

Send break to remote modem immediately

\K4

Online command mode enabled, send no break to remote modem

Send break with transmitted data

Online command mode enabled, break sent to remote modem

í \K5

Send break with transmitted data

Send break with transmitted data

Send break to remote modem immediately

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Mn [cmds]

Description:

Selects communications mode

Command

Mode

í &M0

Asynchronous mode

&M1

Not used

&M2

Not used

&M3

Not used

COMMUNICATIONS MODE

Type:

Configuration

Format:

AT [cmds] &Qn [cmds]

Description:

Selects communications mode options

Command

Mode

í &Q0

Asynchronous mode, serial port speed follows connect speed.

&Q1

Not used

&Q2

Not used

&Q3

Not used

&Q4

Not used

&Q5

Error correction mode

&Q6

Buffered asynchronous mode

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.

Modifier

Function

J

MNP10 link negotiation enabled

K

Power level adjustment enabled during MNP10

L

Re-dial last number

P

Pulse dialing enabled

R

Accepted, but not acted upon

T

Tone dialing enabled

W

Dialing resumed following dial tone detection

$

Waits for prompt tone for amount of time specified by the S7 register.

;

Modem returned to command state after dialing

^

Toggle calling tone enabled/disabled

!

Modem commanded to go off-hook for amount of time specified in S29 register

@

Wait for quiet answer

,

Dialing paused for amount of time specified in S8 register

DCE LINE SPEED

Type:

Register

Format

AT [cmds] S37=n [cmds]

Description:

Sets the maximum allowable data exchange rate

Command

Function

í S37=0

Automode connection

S37=1

300bps

S37=2

300bps

S37=3

300bps

S37=5

1200bps

S37=6

2400bps

S37=7

V.23 mode

S37=8

4800bps

S37=9

9600bps

S37=10

12.0Kbps

S37=11

14.4Kbps

S37=12

7200bps

S37=15

14.4Kbps

S37=16

V.FC 16.8Kbps

S37=17

V.FC 19.2Kbps

S37=18

V.FC 21.6Kbps

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports ROM checksum

I2

Tests and reports ROM checksum

I3

Reports firmware revision, model identity

I4

Reports model type