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PRACTICAL PERIPHERALS, INC.

PM288HC II V.34

Modem Type

Data (synchronous/asynchronous)/Fax

Maximum Data Rate

28.8Kbps

Maximum Fax Rate

14.4Kbps

Data Bus

8-bit ISA

Fax Class

Class I & II

Data Modulation Protocol

Bell 103A/212A

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

Rockwell V.FC

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Line in

CN2

BASE I/O ADDRESS SELECTION

Address

E1

E3

COM1: (3F8h)

Closed

Closed

COM2: (2F8h)

Open

Closed

COM3: (3E8h)

Closed

Open

COM4: (2E8h)

Open

Open

INTERRUPT SELECTION

IRQ

E4

E5

E6

E7

2

Open

Open

Open

Closed

3

Closed

Open

Open

Open

4

Open

Closed

Open

Open

5

Open

Open

Closed

Open

Proprietary AT Command Set

REDIAL

Type:

Immediate

Format:

AT [cmds] DL

Example:

AT M1 DL<CR>

Description:

Redials the last number dialed.

REPORT INFORMATION

Type:

Immediate

Format:

AT [cmds] In [cmds]

Example:

AT I1 &W<CR>

Description:

Displays modem properties.

Command

Function

I0

Reports modem model and speed.

I1

Reports checksum number.

I2

Reports checksum result.

I3

Reports firmware version.

I4

Reports current command settings.