B Technical Specifications

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

(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

127

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Image 137
Multi-Tech Systems MT5634ZBA Itu-T, AT&T V.32 terbo ITU-T V.32bis/V.32 Carrier Frequencies, 22bis/V.22 or, 1200 bps