Multi-Tech Systems MT3334HD8 - Manual (Page 11)

1 Introduction
CommPlete Communications Server 5
(2400 & 1200 bps) Receive answer: 1200 Hz
Carrier Frequencies:
Bell 103/113
(300 bps) Transmit originate:
Receive originate:
Transmit answer:
Receive answer:
1270 Hz mark
1070 Hz space
2225 Hz mark
2025 Hz space
2225 Hz mark
2025 Hz space
1270 Hz mark
1070 Hz space
Carrier Frequencies:
V.21 Transmit originate:
Receive originate:
Transmit answer:
Receive answer:
980 Hz mark
1180 Hz space
1650 Hz mark
1850 Hz space
1650 Hz mark
1850 Hz space
980 Hz mark
1180 Hz space
Carrier Frequencies:
V.23 Transmit originate:
Receive originate:
Transmit answer:
Receive answer:
390 Hz mark
450 Hz space
1300 Hz mark
2100 Hz space
1300 Hz mark
2100 Hz space
390 Hz mark
450 Hz space
Fax Modulations V.21Ch2 FSK at 300 bps
V.27ter DPSK at 4800 and 2400 bps
V.29 QAM at 9600 and 7200 bps
V.17 TCM at 14400, 12000, 9600, and 7200 bps
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: 1700 Hz Originate/Answer
V.17 TCM: 1800 Hz Originate/Answer
Transmit Level -13 dBm
Frequency Stability +0.01%
Receiver Sensitivity -43 dBm under worst case conditions
AGC Dynamic Range 43 dB
Serial Interface EIA RS-232C
Diagnostics Power-on self-test; ITU-T V.54 local analog loop, local digital loop, remote
digital loop.
Firmware Upgrades Flash memory; available on Multi-Tech’s BBS
Indicators LEDs for Carrier Detect and Off Hook/Out-Of-Service
Environmental Temperature range: 0°–50° C (32°–120° F)
Humidity range: 20–90% (noncondensing)