User’s Manual
A-2
Built-in Modem
The ability of this feature is depending on the model you purchased.
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.32
bis/V.34/V.90
103/212A
V.17/V.29/V.27ter/V.21 ch2
Communication
speed
Data transmission and reception
300/1200/2400/4800/7200/9600/12000/14400/16
800/19200/21600/24000/26400/28800/31200/33
600 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
Error correcting
MNP class 4 and ITU-T V.42
Data compression
MNP class 5 and ITU-T V.42bis