V.34/Group 3 High Performance Fax Modem Family
Table 2. Configurations, Signaling Rates, and Data Rates
Configuration
Modulation
Carrier
Frequency (Hz)
±0.01%
—
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
1800
1800
1800
1800
1800
1800
1800
1800
1200/2400
1200/2400
1200/2400
1200/2400
1700/420
1080/1750
1800
1200/2400
1170/2125
1800
1800
1800
1800
1700
1700
1700
1800
1800
1750
Data Rate (bps)
±0.01%
56000 R/V.34 rates T
(Note 4)
33600
31200
28800
26400
24000
21600
19200
16800
14400
12000
9600
7200
4800
2400
14400
12000
9600
7200
4800
9600
9600
4800
2400
1200
1200
600
1200/75
Up to 300
4800
1200
Up to 300
14400
12000
9600
7200
9600
7200
4800
4800
2400
300
Symbol Rate
(Symbols/Sec)
8000
3429 only
3200 min
3000 min
2800 min
2800 min
2400 min
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
Note 2
2400 only
2400
2400
2400
2400
2400
2400
2400
2400
600
600
600
600
1200
300
1600
600
300
2400
2400
2400
2400
2400
2400
2400
1600
1200
300
Bits/Symbol
Data
Dynamic
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
6
5
4
3
2
4
4
2
4
2
2
1
1
1
3
2
1
6
5
4
3
4
3
2
3
2
1
Bits/Symbol
TCM
—
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
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
FM336Plus
Constellation
Points
—
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
32
16
4
32
16
4
16
4
4
4
—
—
8
4
—
128
64
32
16
16
8
4
8
4
—
V.90 PCM
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
V.32 9600 TCM
V.32 9600
V.32 4800
V.22bis 2400
V.22bis 1200
V.22 1200
V.22 600
V.23 1200/75
V.21
Bell 208 4800
Bell 212A
Bell 103
V.17 14400 TCM/V.33
V.17 12000 TCM/V.33
V.17 9600 TCM
V.17 7200 TCM
V.29 9600
V.29 7200
V.29 4800
V.27 ter 4800
V.27 ter 2400
V.21 Channel 2
Notes:
PCM
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
FSK
DPSK
DPSK
FSK
TCM
TCM
TCM
TCM
QAM
QAM
QAM
DPSK
DPSK
FSK
1. Modulation legend:
TCM:
QAM:
PCM:
FSK:
DPSK:
Trellis-Coded Modulation
Quadrature Amplitude Modulation
Pulse Coded Modulation
Frequency Shift Keying
Differential Phase Shift Keying
V.34 Low Carrier Frequency (Hz)
1600
1680
1800
1829
1959
V.34 High Carrier Frequency (Hz)
1800
1867
2000
1920
1959
2. Adaptive; established during handshake:
Symbol Rate (Baud)
2400
2800
3000
3200
3429
3. ** For both duplex and half-duplex modes.
4. Maximum data rate.
101361A
Conexant
5
CONEXANT [ CONEXANT SYSTEMS, INC ]
