53ꢀꢁ'ꢂꢃ53ꢄꢄꢁ'ꢂꢃDQGꢃ53ꢅꢆꢆ'
/RZꢃ9ROWDJHꢃ9ꢇꢈꢉꢊ.ꢀꢁIOH[ꢊ9ꢇꢄꢆꢊ9ꢇꢄꢋELVꢃ0RGHPꢃ'DWDꢃ3XPSV
V.90/K56flex PCM*
PCM
–
4
8000
Dynamic
–
–
56000R/V.34ratesT
V.34 33600 TCM**
V.34 31200 TCM**
V.34 28800 TCM**
V.34 26400 TCM**
V.34 24000 TCM**
V.34 21600 TCM**
V.34 19200 TCM**
V.34 16800 TCM**
V.34 14400 TCM**
V.34 12000 TCM**
V.34 9600 TCM**
V.34 7200 TCM**
V.34 4800 TCM**
V.34 2400 TCM**
V.32 bis 14400 TCM
V.32 bis 12000 TCM
V.32 bis 9600 TCM
V.32 bis 7200 TCM
V.32 bis 4800
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
TCM
QAM
TCM
QAM
QAM
QAM
DPSK
DPSK
DPSK
FSK
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
33600
31200
28800
26400
24000
21600
19200
16800
14400
12000
9600
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
2400
2400
2400
2400
2400
2400
2400
2400
600
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
128
64
7200
4800
2400
Note 2
1800
1800
1800
1800
14400
12000
9600
7200
4800
6
5
4
3
2
4
4
2
4
2
2
1
1
1
3
2
1
1
1
6
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
32
16
4
1800
V.32 9600 TCM
V.32 9600
V.32 4800
1800
1800
1800
9600
9600
4800
32
16
4
V.22 bis 2400
V.22 bis 1200
1200/2400
1200/2400
1200/2400
1200/2400
1700/420
1080/1750
1800
2400
1200
16
4
600
V.22 1200
V.22 600
1200
600
600
600
4
4
V.23 1200/75
1200/75
0–300
4800
1200
300
–
V.21
FSK
–
Bell 208 4800
DPSK
DPSK
FSK
1600
600
8
Bell 212A
1200/2400
1170/2125
1700/420
1080/1750
1800
1200
4
Bell 103
0–300
1200/75
0–300
14400
300
–
V.23 1200/75
FSK
1200
300
–
V.21
FSK
–
3
3
TCM
2400
128
V.17 14400 TCM/V.33
V.17 12000 TCM/V.33
TCM
TCM
TCM
QAM
QAM
QAM
DPSK
DPSK
FSK
1800
1800
1800
1700
1700
1700
1800
1800
1750
–
12000
9600
7200
9600
7200
4800
4800
2400
300
2400
2400
2400
2400
2400
2400
1600
1200
300
5
4
3
4
3
2
3
2
1
–
1
1
1
0
0
0
0
0
0
–
64
32
16
16
8
3
V.17 9600 TCM
3
V.17 7200 TCM
3
V.29 9600
3
V.29 7200
3
4
V.29 4800
3
8
V.27 4800
3
4
V.27 2400
3
–
V.21 Channel 2
Tone Transmit
–
–
–
–
Notes:
1. Modulation legend:
TCM: Trellis-Coded Modulation
FSK: Frequency Shift Keying
QAM: Quadrature Amplitude Modulation
DPSK: Differential Phase Shift Keying
2. Adaptive; established during handshake:
3. Models with fax support only.
4. Maximum data rate.
*
RP56 models only.
** RP56 and RP336 models only.