Built-in modem – Toshiba M30 User Manual
Page 176
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PPENDIX
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A-2
User's Manual
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
Data:
Full duplex
system
Fax:
Half duplex
Communication
Data
protocol
ITU-T-Rec
V.21/V.22/V.22bis/V.32
(Former CCITT)
/V.32bis/V.34/V.90
Bell
103/212A
Fax
ITU-T-Rec
V.17/V.29/V.27ter
(Former CCITT)
/V.21 ch2
Communication
Data transmission and reception
speed
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
600 ohms ±30%
impedance
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)