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Built-in modem – Toshiba Qosmio G20 (PQG21) User Manual

Page 192

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User’s Manual

Specifications

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

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)