...because we can't all be on the bleeding edge...





DESKPORTE 28.8P

MICROCOM, INC.

DESKPORTE 28.8P

Card Type

Modem (synchronous/asynchronous)

Processor

Z80182

Processor Speed

18.4MHz

Chipset

Microcom

Maximum Onboard Memory

32KB SRAM/128KB Flash ROM

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

Serial, parallel

Fax Class

Class I & II

Data Modulation

Bell 103A/212A

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

Rockwell V.FC

Fax Modulation

Unidentified

Error Correction/Compression

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

CONNECTIONS

Function

Label

Function

Label

Line out

CN1

RS-232/422 port

CN4

Line in

CN2

DC power

CN5

Parallel port

CN3

Power switch

SW1

DIAGNOSTIC LED(S) (POWER-UP)

AA

TM

HS

Condition

Off

On

Off

RAM test failed

Off

On

Off

Modem failed

On

On

On

CPU test failed

Off

Off

Off

All tests passed

DIAGNOSTIC LED(S) (NORMAL OPERATION)

LED

Color

Status

Condition

AA

Unidentified

On

Auto-answer enabled

AA

Unidentified

Off

Auto-answer disabled

AA

Unidentified

Blinking

Phone is ringing

RD

Unidentified

Blinking

Modem is receiving data

RD

Unidentified

Off

Modem is not receiving data

SD

Unidentified

Blinking

Modem is transmitting data

SD

Unidentified

Off

Modem is not transmitting data

CD

Unidentified

On

Carrier signal detected

CD

Unidentified

Off

Carrier signal not detected

OH

Unidentified

On

Modem is off-hook

OH

Unidentified

Off

Modem is on-hook

TR

Unidentified

On

DTR signal is high

TR

Unidentified

Off

DTR signal is low

TM

Unidentified

On

Modem is performing self-test

TM

Unidentified

2s blink

RAM test failed

TM

Unidentified

1s blink

ROM test failed

TM

Unidentified

2/3s blink

Data pump test failed

TM

Unidentified

Off

Self-tests passed

HS

Unidentified

On

Modem is not connected or is connected at between 4800bps and 12Kbps

HS

Unidentified

Blinking

Modem is connected at 14.4Kbps or faster

HS

Unidentified

Off

Modem is connected at less than 4800bps

SUPPORTED STANDARD COMMANDS

Basic AT Commands

+++, ‘comma’, A/

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

&D, &F, &G, &M, &P, &T, &W, &X, &Y, &Z

Extended AT Commands

\A, \B, \C, \E, \J, \N, \Q, \T

%A, %C, %E, %F, %G

Special AT Commands

-J, *H, )M, @M, :E

S-Registers

S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S12, S14, S16, S18, S22, S23, S25, S26, S27

Note: See MHI documentation for complete information.

Proprietary AT Command Set

DISPLAY BLACKLIST NUMBERS

Type:

Immediate

Format:

AT [cmds] *N [cmds]

Description:

Displays the list of all the numbers on the blacklist (whether they are delayed/forbidden or not), and their statuses.

DISPLAY DELAYED NUMBERS

Type:

Immediate

Format:

AT [cmds] *D [cmds]

Description:

Displays the list of all delayed numbers and their statuses.

DISPLAY FORBIDDEN NUMBERS

Type:

Immediate

Format:

AT [cmds] *F [cmds]

Description:

Displays the list of all forbidden numbers and their statuses.

CONNECT SPEED MATCHING

Type:

Configuration

Format:

AT [cmds] %Ln [cmds]

Description:

Selects whether the modem will attempt to match the connect speed of the remote modem.

Command

Function

%L0

Modem will connect at speeds supported by the protocol selected only.

í %L1

Modem will match connect speeds.

%L2

Modem will connect only at current speed.

%L3

Modem will use V.8 automode with fallback to ITU-T automode to match speeds.

%L4

Modem will use V.8 automode to match speeds.

V.34 TRAINING RESPONSE

Type:

Register

Format:

AT [cmds] :T42=n [cmds]

Description:

Sets what speed the modem will choose after a V.34 train.

Command

Function

í :T42=0

Standard speed selection.

:T42=1

Choose speed approximately 2 speeds faster than standard.

:T42=2

Choose speed approximately 1 speed faster than standard.

:T42=3

Standard speed selection.

:T42=4

Choose speed approximately 1 speed slower than standard.

:T42=5

Choose speed approximately 2 speeds slower than standard.

See MICROCOM, INC. DESKPORTE FAST for a full command summary.