Messagesaver user guide – Multi-Tech Systems MT5634MSV User Manual

Page 96

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MessageSaver User Guide

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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

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

(0–300 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

(0–300 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

Transmit Level

-11 dBm (dial-up)

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