118
ITU-T V.21
ITU-T V22bis
ITU-T V32
ITU-T V32bis
ITU-T V34
V34bis
V.90
K56flex
ITU-T V.27ter
ITU-T V.29
ITU-T V.17
Function
Protcol
Speed
Comment
Network control functions
Automatic Send and Receive by built-in NCU
Modem protocols
Conforms to the following protocols and possible to
communicate in full duplex V.21/V.22bis/V.32/V.32bis/
V.34/V34bis/V.90/K56flex/V.27ter/V.29/V.17
Data compression
protocols
Conforms to MNP 5, ITU-T V.42bis
Error control protocols
Conforms to MNP 4, ITU-V.42
300
2400, 1200
9600, 4800
14400, 12000, 9600,
7200, 4800
28800, 26400, 24000,
21600, 19200, 16800,
14400, 12000, 9600,
7200, 4800, 2400
33600, 31200, 28800,
26400, 24000, 21600,
19200, 16800, 14400,
12000, 9600, 7200,
4800, 2400
56000, 54667, 53333,
52000, 50667, 49333,
48000, 46667, 45333,
42667, 41333, 40000,
38667, 37333, 36000,
34667, 33333, 32000,
30667, 29333, 28000
56000, 54000, 52000,
50000, 48000, 46000,
44000, 42000, 40000,
38000, 36000, 34000,
32000
4800, 2400
9600, 7200
14400, 12000, 9600,
7200
There are two modes,
Long and Short in each
speed respectively
Data
communication
(Send and
Receive)
Data
communication
(Receive only)
FAX
communication
Main functions of the modem