MultiModemDSVD User Guide B Technical Specifications
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Data Modulation FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and
9600 bps (non-trellis), QAM with trellis-coded modulation
(TCM) at 9600, 12,000, 14,400, 16,800, 19,200, 21,600, 24,000,
26,400, 28,800, 31,200, 33,600, and 56,000 bps
Fax Modulation V.21 CH2 FSK at 300 bps (half duplex)
V.27ter DPSK at 4800 and 2400 bps
V.29 QAM at 9600 and 7200 bps
V.17TCM at 14400, 12000, 9600, and 7200 bps
Carrier Frequencies 1600, 1646, 1680, 1800, 1829, 1867, 1920,
ITU-T V.34 1959, 2000 Hz
Carrier Frequencies 1800 Hz
AT&T V.32 terbo/
ITU-T V.32bis/V.32
Carrier Frequencies Transmit originate: 1200 Hz
V.22bis/V.22 or Transmit answer: 2400 Hz
Bell 212A Standard Receive originate: 2400 Hz
(2400 & 1200 bps) Receive answer: 1200 Hz
Carrier Frequencies Transmit originate: 390 Hz mark
ITU-T V.23 450 Hz space
(1200 bps) Receive originate: 1300 Hz mark
2100 Hz space
Transmit answer: 1300 Hz mark
2100 Hz space
Receive answer: 390 Hz mark
450 Hz space
Carrier Frequencies Transmit originate: 980 Hz mark
ITU-T V.21 1180 Hz space
(0300 bps) Receive originate: 1650 Hz mark
1850 Hz space
Transmit answer: 1650 Hz mark
1850 Hz space
Receive answer: 980 Hz mark
1180 Hz space
Carrier Frequencies Transmit originate: 1270 Hz mark
Bell 103/113 1070 Hz space
(0300 bps) Receive originate: 2225 Hz mark
2025 Hz space
Transmit answer: 2225 Hz mark
2025 Hz space
Receive answer: 1270 Hz mark
1070 Hz space
Fax Carrier V.21 Ch2 (half duplex):
Frequencies 1650 Hz mark, 1850 HZ space for transmit
originate
1650 HZ mark, 1850 Hz space for transmit
answer
V.27ter: 1800 Hz originate/answer
V.29 QAM: 1800 Hz originate/answer
V.17 TCM: 1800 Hz originate/answer