Toshiba PPM78U05L01E User Manual

User’s Manual

A-3

PORTÉGÉ M780

Built-in Modem

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

Network control unit (NCU)

Type of NCU

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

Communication
speed

Data transmission and reception

300/1200/2400/4800/7200/9600/12000/14400/
16800/19200/21600/24000/26400/28800/31200/
33600 bps

Data reception only with V.90

28000/29333/30666/32000/33333/34666/36000/
37333/38666/40000/41333/42666/44000/45333/
46666/48000/49333/50666/52000/53333/54666/
56000 bps

Fax

2400/4800/7200/9600/12000/14400 bps

Transmitting level

-10 dBm

Receiving level

-10 to -40 dBm

Input/output
impedance

600 ohms ±30%

Error correcting

MNP class 4 and ITU-T V.42

Data compression

MNP class 5 and ITU-T V.42bis

Power supply

+3.3V (supplied by computer)