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MAC PROMODEM 288E

PROMETHEUS PRODUCTS, INC.

MAC PROMODEM 288E

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

Bell 103/212A

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

Fax Modulation Protocol

ITU-T V.17, V.21CH2, V.27ter, V.29, V.33

Error Correction/Compression

MNP5, MNP10, V.42, V.42bis

CONNECTIONS

Function

Label

Function

Label

Line in

CN1

RS-232/422

CN3

Line out

CN2

DC power

CN4

DIAGNOSTIC LED(S)

LED

Color

Status

Condition

MR

Red

On

Modem is ready

MR

Red

Off

Self-test failed

MR

Red

Blinking

Self-test in progress

HS

Red

On

Modem is operating at highest speed available

HS

Red

Off

Modem is operating at slower speed available

AA

Red

On

Auto-answer enabled

AA

Red

Off

Auto-answer disabled

CD

Red

On

Carrier signal detected

CD

Red

Off

Carrier signal not detected

OH

Red

On

Modem is off-hook

OH

Red

Off

Modem is on-hook

SD

Red

On

Modem is transmitting data

SD

Red

Off

Modem is not transmitting data

RD

Red

On

Modem is receiving data

RD

Red

Off

Modem is not receiving data

TR

Red

On

DTR signal is high

TR

Red

Off

DTR signal is low

PWR

Red

On

Power is on

PWR

Red

Off

Power is off

Proprietary 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

í %E0

Auto-retrain disabled

%E1

Auto-retrain enabled

í %E2

Auto-fallback/fall-forward enabled

BIT MAPPED REGISTERS

Register

Default

S14

138

S16

0

S21

4

S22

117

S23

55

S27

73

S28

0

S31

2

S39

3

S40

105

S41

3

S201

58

BREAK SEND

Type:

Configuration

Format:

AT [cmds] \Bn [cmds]

Default:

3

Range:

1-9

Unit:

.1 second

Description:

Sends break to modem

BREAK TYPE

Type:

Configuration

Format:

AT [cmds] \Kn [cmds]

Description:

Configures action of break signal

Command

Break from DTE

Modem receives \B

Break received from remote modem

\K0

Online command mode enabled, send no break to remote modem

Break sent to remote modem and buffered cleared

Buffers cleared, break sent to DTE

\K1

Break sent to remote modem and buffered cleared

Break sent to remote modem and buffered cleared

Buffers cleared, break sent to DTE

\K2

Online command mode enabled, send no break to remote modem

Send break to remote modem immediately

Break sent immediately to DTE

\K3

Send break to remote modem immediately

Send break to remote modem immediately

Break sent immediately to DTE

\K4

Online command mode enabled, send no break to remote modem

Send break with transmitted data

Break sent with received data to the DTE

í \K5

Send break with transmitted data

Send break with transmitted data

Break sent with received data to the DTE

COMPRESSION

Type:

Configuration

Format:

AT [cmds] %Cn [cmds]

Description:

Selects data compression

Command

Function

%C0

Data compression disabled

%C1

MNP5 enabled

%C2

V.42bis enabled

í %C3

MNP5 and V.42bis 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

\N3

Auto-reliable mode enabled

\N4

V.42 reliable mode enabled

\N5

MNP auto-reliable mode enabled

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

L

Re-dial last number

P

Pulse dialing enabled

R

Accepted but not acted upon

S=n

Dial stored telephone number n

T

Tone dialing enabled

W

Dialing resumed following dial tone detection

*

Dials the Star digit

#

Dials the Gate digit

!

Modem commanded to go off-hook for specified time before returning on-hook

@

Wait for quiet answer

&

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

,

Dialing paused for amount of time specified in S8 register

;

Modem returned to command state after dialing

^

Disable calling tone

>

Country specific, generates grounding pulse

FLASH DIAL MODIFIER TIME

Type:

Register

Format

AT [cmds] S29=n [cmds]

Default:

0

Range:

0-255

Unit:

.01 second

Description:

Time the modem will go on-hook upon receiving the ! dial modifier in dial string.

FLOW CONTROL CHARACTER - XOFF

Type:

Register

Format:

AT [cmds] S33=n [cmds]

Default:

19

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XOFF

FLOW CONTROL CHARACTER - XON

Type:

Register

Format:

AT [cmds] S32=n [cmds]

Default:

17

Range:

0-255

Unit:

ASCII

Description:

Sets the character used to represent XON

INACTIVITY TIMER

Type:

Register

Format

AT [cmds] S30=n [cmds]

Default:

0

Range:

0-255

Unit:

10 seconds

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating hang-up process.

LINE SIGNAL LEVEL

Type:

Immediate

Format:

AT [cmds] %L [cmds]

Description:

Returns a value which indicates the received line signal level in -dBm

LINE SIGNAL QUALITY

Type:

Immediate

Format:

AT [cmds] %Q [cmds]

Description:

Returns a value which indicates line signal quality

MAXIMUM BLOCK SIZE FOR TRANSMISSION

Type:

Configuration

Format:

AT [cmds] \An [cmds]

Description:

Sets the maximum transmittable block size

Command

Function

\A0

MNP block size is 64 characters

í \A1

MNP block size is 128 characters

\A2

MNP block size is 192 characters

\A3

MNP block size is 256 characters

MNP - EXTENDED SERVICES

Type:

Configuration

Format:

AT [cmds] -Kn [cmds]

Description:

Selects MNP extended services

Command

Function

-K0

MNP extended services disabled

-K1

MNP extended services enabled

-K2

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

MNP10 - FALLBACK

Type:

Configuration

Format:

AT [cmds] -Qn [cmds]

Description:

Allows MNP10 to fall back to speeds slower than 4800bps

Command

Function

-Q0

MNP10 at 2400 and 1200bps disabled

í -Q1

MNP10 at 2400 and 1200bps enabled

MNP10 - LINK NEGOTIATION

Type:

Configuration

Format:

AT [cmds] *Hn [cmds]

Description:

Sets the speed at which MNP10 link negotiation will occur

Command

Function

í *H0

Link will be negotiated at highest possible speed

*H1

Link will be negotiated at 1200bps

*H2

Link will be negotiated at 4800bps

MNP10 - POWER LEVEL ADJUST

Type:

Configuration

Format:

AT [cmds] )Mn [cmds]

Description:

Controls automatic transmit power level adjustment during MNP 10 link negotiation

Command

Function

í )M0

Power level adjustment disabled

)M1

Power level adjustment enabled, power level determined by modem

)M2

Power level adjustment enabled, power level remains fixed

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Description:

Displays information requested

Command

Function

I0

Reports product code

I1

Reports ROM checksum

I2

Reports ROM checksum

I3

Reports product revision code

I4

Reports product ID

I5

Reports country code

I6

Reports modem data pump version number

I7

Reports DAA code from MCU interrogation

SLEEP TIMER

Type:

Register

Format

AT [cmds] S24=n [cmds]

Default:

0

Range:

0-255

Unit:

1 second

Description:

Maximum duration of DTE and DCE inactivity allowed prior to initiating low-power sleep mode.

TRANSMISSION LEVEL - CELLULAR

Type:

Configuration

Format:

AT [cmds] @Mn [cmds]

Default:

0

Range:

11-31

Unit:

-1dBm

Description:

Sets the signal level for transmission while in cellular mode

Command

Function

@M0

-26 dBm

@M1

-30 dBm

@M2-@M10

-10 dBm

TRANSMISSION LEVEL - FAX

Type:

Register

Format:

AT [cmds] S92=n [cmds]

Default:

10

Range:

0-15

Unit:

-1 dBm

Description:

Sets the signal level for transmission while in fax mode

TRANSMISSION LEVEL - PSTN

Type

Register or Configuration

Format

AT [cmds] S91=n [cmds]

Default

10

Range

0-15

Unit

-1 dBm

Description

Sets the signal level for transmission over PSTN

V.32 - COMPROMISE EQUALIZER

Type:

Configuration

Format:

AT [cmds] :En [cmds]

Description:

Controls V.32 compromise equalizer

Command

Function

:E0

Equalizer disabled

í :E1

Equalizer enabled