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V.34 I

ZOOM TELEPHONICS, INC.

V.34 I

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.23, V.32, V.32bis, V.34

Rockwell V.FC

Fax Modulation Protocol

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

Error Correction/Compression

MNP5, V.42, V.42bis

CONNECTIONS

Purpose

Location

Purpose

Location

Line out

CN1

Diagnostic connector

CN3

Line in

CN2

Speaker

CN4

BASE I/O ADDRESS SELECTION

Port

IRQ

J1

J2

COM1: (3F8h)

4

Pins 2 & 3, 5 & 6 closed

Pins 4 & 5 closed

COM2: (3E8h)

3

Pins 1 & 2, 5 & 6 closed

Pins 1 & 2 closed

COM3: (2F8h)

4

Pins 2 & 3, 4 & 5 closed

Pins 4 & 5 closed

COM4: (2E8h)

3

Pins 1 & 2, 4 & 5 closed

Pins 1 & 2 closed

COM3: (2F8h)

2

Pins 2 & 3, 4 & 5 closed

Pins 2 & 3 closed

COM4: (2E8h)

2

Pins 1 & 2, 4 & 5 closed

Pins 2 & 3 closed

COM3: (3E8h)

5

Pins 2 & 3, 4 & 5 closed

Pins 5 & 6 closed

COM4: (2E8h)

5

Pins 1 & 2, 4 & 5 closed

Pins 5 & 6 closed

Proprietary AT Command Set

See document V1397 for a full command summary.