MultiModemBA User Guide

Fax Carrier Frequencies

 

All Models:

V.21CH2 (Half Duplex)

 

1650Hz Mark, 1850Hz Space for Transmit Originate

 

1650Hz Mark, 1850Hz Space for Transmit Answer

 

V.27ter 1800Hz Originate/Answer

 

V.29 QAM 1700Hz Originate/Answer

2834 and 1432 Series:

V.17 TCM 1800Hz Originate/Answer

Carrier Frequencies

 

2834 Series:

1800 Hz V.32/V.32bis/V.34/Enhanced V.34--33.6K/31.2K/28.8K/

 

26.4K/24K/21.6K/19.2K/16.8K/14.4K/12K/9.6K/7.2K/4.8K

1432 Series:

1800 Hz V.32/V.32bis/14.4K/12K/9.6K/4.8K

932 Series:

1800 Hz V.32/9.6K/7.2K/4.8K

Carrier Frequencies - 2400 & 1200 bps (V.22bis/V.22 or Bell 212A Standard)

All models:

Transmit Originate:

1200 Hz

 

Transmit Answer:

2400 Hz

 

Receive Originate:

2400 Hz

 

Receive Answer:

1200 Hz

Carrier Frequencies - 300 bps (Bell Standard)

 

All models:

1270

Hz Mark, 1070 Hz Space for Transmit Originate

 

2225

Hz Mark, 2025 Hz Space for Receive Originate

 

2225

Hz Mark, 2025 Hz Space for Transmit Answer

 

1270

Hz Mark, 1070 Hz Space for Receive Answer

Carrier Frequencies - V.21

 

 

 

All models:

980 Hz Mark, 1180 Hz Space for Transmit Originate

 

1650

Hz Mark, 1850 Hz Space for Transmit Answer

 

650 Hz Mark, 1850 Hz Space for Receive Originate

 

980 Hz Mark, 1180 Hz Space for Receive Answer

Carrier Frequencies - V.23

 

 

 

All models:

390 Hz Mark, 450 Hz Space for Transmit Originate

 

1300

Hz Mark, 2100 Hz Space for Transmit Answer

 

1300

Hz Mark, 2100 Hz Space for Receive Originate

 

390 Hz Mark, 450 Hz Space for Receive Answer

Transmit Level

 

 

 

2834 Series:

-11dBm (dial-up), -9 or -15 dBm (leased-line); dBm level selectable

 

with DIP-Switch #3 in leased line setting

1432 Series:

-10dBm (dial-up), 0 dBm (leased-line); dBm level selectable with

 

DIP-Switch #3 in leased line setting

932 Series:

-10dBm (dial-up), -9 dBm (leased-line); dBm level selectable with

 

DIP-Switch #3 in leased line setting

Frequency Stability

 

 

 

All models:

±0.01%

 

14

Page 14
Image 14
Multitech MT2834BA Fax Carrier Frequencies, Carrier Frequencies 300 bps Bell Standard, Transmit Level, Frequency Stability