beautypg.com

Built-in modem – Toshiba Portege M750 User Manual

Page 224

background image

A-2

User’s Manual

PORTÉGÉ M750

Power Requirements

Built-in Modem

AC adaptor

100-240 volts AC

50 or 60 hertz (cycles per second)

Computer

15 V DC

5.0 amperes

This information is applicable to the models equipped with a built-in
modem.

Network control unit (NCU)

Type of NCU

AA

Type of line

Telephone line (analog only)

Type of dialing

Pulse

Tone

Control command

AT commands

EIA-578 commands

Monitor function

Computer’s speaker

Communication specifications

Communication
system

Data:

Full duplex

Fax:

Half duplex

Communication
protocol

Data

ITU-T-Rec
(Former CCITT)

Bell

Fax

ITU-T-Rec
(Former CCITT)

V.21/V.22/V.22bis/V.32/
V.32bis/V.34/V.90

103/212A

V.17/V.29/V.27ter/V.21 ch2