Appendix B - Technical Specifications

 

 

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)

 

Frequency Stability

±0.01%

 

 

Receiver Sensitivity

-43 dBm under worst-case conditions

AGC Dynamic Range

43 dB

 

 

Connectors

USB connector; two RJ-11 phone jacks

Cables

One 7-foot RJ-11 phone cable

 

One 4-foot USB cable

 

Note: Any cables connected to the computer should be shielded to reduce interference.

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Multitech MT5634ZBA-USB Itu-T, ITU-T V.32bis/V.32 Carrier Frequencies, 22bis/V.22 or, Bell 212A Standard, 1200 bps