14
MINIMODEM USB
Bell 103/113 (0–300 bps): Transmit originate:
1270 Hz mark, 1070 Hz space; 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 Frequencies
—V.21 Ch2 (half duplex):
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
—(1) USB connector; (2) RJ-11 phone
jacks
Cables
—(1) 7-ft. RJ-11 phone cable; (1) 4-ft. USB
cable