Multi-Tech Systems Modem Module MT3334SMI - Manual (Page 8)

ModemModule Developer’s Guide
MT3334SMI 8
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
Interface Serial interface for EIA RS-232C/ITU-T V.24/V.28
Diagnostics Local analog loop, local digital loop, remote digital loop.
Weight 0.02 Kg. (0.04 lb.)
Dimensions: 1.045" Ч 2.541" Ч 0.680"
(2.7 x 6.5 x 1.8 cm)
Power consumption: Typical: 215 mA (1.3 W @ 5v DC)
Maximum: 420 mA (2.1 W @ 5.25v DC)
Environmental: 0-50° C; humidity range 20–90% (non-condensing)
Approvals*: UL 1950 approved
FCC Part 68 approved
Industry canada CS0s
EN60950
* Approvals are provided in controlled configurations and must be re-evaluated in end-user configurations.