Built-in Modem
Network control unit (NCU)
Type of NCU
Type of line
Type of dialing
Control command
Monitor function
Communication specifications
Communication
System
Communication
Protocol
Communication
Speed
Error correcting
Data compression
TOSHIBA A5
AA
Telephone line (analog only)
Pulse
Tone
AT commands
EIA-578 commands
Computer's speaker
Data:
Fax:
Data:
ITU-T-Rec
(Former CCITT)
Bell
Fax:
ITU-T-Rec
(Former CCITT)
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/V.92
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
MNP class 4 and ITU-T V.42
MNP class 5 and ITU-T V.42bis
Specifications
Full duplex
Half duplex
V.21/V.22/V.22bis/V.32/
V.32bis/V.34/V.90/
V.92(only for USA and
Canada)
103/212A
V.17/V.29/V.27ter /V.21
ch2
A-2