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Si2493
Rev. 1.3
15
Data Rate
33.6 kbps
31.2 kbps
28.8 kbps
26.4 kbps
24.0 kbps
21.6 kbps
19.2 kbps
16.8 kbps
14.4 kbps
12.0 kbps
9600 bps
7200 bps
4800 bps
2400 bps
1200 bps
300 bps
ITU-T V.34
ITU-T V.34 or V.32bis
ITU-T V.34, IV.32 bis, or V.22bis
ITU-T V.22bis, V.23, or Bell 212A
ITU-T V.21
Bell 103
Data Format
Bit asynchronous
Selectable 8, 9, 10, or 11 bits per character, which includes
the start, stop, and parity bits.
Compatibility
ITU-T V.92, V.90, V.34, V.32bis, V.32, V.23, V.22bis, V.22,
V.21, Bell 212A, and Bell 103
Operating Mode
Switched network
Two-wire full duplex
Data Modulation
28 to 56 kbps (downstream)
24 to 48 kbps (upstream)
2.4 to 33.6 kbps
14.4 kbps
12.0 kbps
9600 kbps
7200 kbps
4800 kbps
2400 kbps
1200 kbps
0 to 300 kbps
V.90 as specified by ITU-T
V.92 as specified by ITU-T
V.34 as specified by ITU-T
128-level TCM/2400 Baud ±0.01%
64-level TCM/2400 Baud ±0.01%
32-level TCM/2400 Baud ±0.01%
16-level QAM/2400 Baud ±0.01%
16-level TCM/2400 Baud ±0.01%
4-level QAM/2400 Baud ±0.01%
16-level QAM/600 Baud ±0.01%
4-level PSK/600 Baud ±0.01%
FSK 0–300 Baud ±0.01%
Answer Tone
ITU-T V.32bis, V.32, V.22bis, V.22, and V.21
modes
Bell 212A and 103 modes
2100 Hz ±3 Hz
2225 Hz ±3 Hz
Table 7. Protocol Characteristics (Continued)
Item
Specification