Multi-Tech Systems MT2834ZDX Appendix B Technical Specifications, Command Buffer 60 characters

Appendix B – Technical Specifications

Appendix B – Technical Specifications

Your MT2834ZDX fax modem meets the following specifications:

Model Numbers MT2834ZDX, MT2834ZDXb

Data Rates (Modem) 33.6K and 31.2K (ZDXb only), 28.8, 26.4K, 24K, 19.2K, 16.8K, 14.4K, 12K, 9600, 7200, 4800, 2400, 1200 and 0-300 bps

Data Rates (Fax) 14,400, 9600, 4800 and 2400 bps Data Format (Modem) Serial, Binary, Asynchronous

Compatibility (Modem) ITU-T V.34, AT&T V.32terbo, ITU-T V.32bis, V.32, Bell 212A and 103/113, ITU-T V.22, V.22bis, V.42, V.42bis

Compatibility (Fax) ITU-T Group 3, T.4, T.30, V.21, V.27ter, V.29, V.17, and EIA TR29.2 Error Correction ITU-T V.42 (LAP-M or MNP 2, 3 or 4)

Data Compression ITU-T V.42bis (4:1 throughput) or MNP 5 (2:1 throughput)

Speed Conversion Serial port data rates adjustable to 300, 1200, 2400, 4800, 9600, 19.2K, 38.4K, 57.6K and 115.2K bps

Mode of Operation Half or full duplex over dial-up lines; automatic or manual dialing, automatic or manual answer Flow Control XON/XOFF, hardware (RTS/CTS), HP (ENQ/ACK)

Intelligent Features Fully AT command compatible, autodial, redial, repeat dial, pulse or tone dial, dial pauses, call status display, auto parity and data rate selections, keyboard-controlled modem options, on-screen displays for modem option parameters, command lines of up to 60 digits each, and help menus

Command Buffer 60 characters

Modem Modulations FSK at 300 bps, PSK at 1200 bps, QAM at 2400, 4800, and 9600 bps (non-trellis), QAM with trellis coded modulation (TCM) at 9600, 12K, 14.4K, 16.8K, 19.2K, 21.6K, 24K, 26.4K, 28.8K, 31.2K and 33.6K bps

Fax Modulations V.21 CH2 FSK at 300 bps, V.27ter DPSK at 2400 and 4800 bps, V.29 QAM at 7200 and 9600 bps, V.17TCM at 7200, 9600, 12K, and 14.4K 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 -43dBm under worst case conditions

AGC Dynamic Range 43 dB

Interface Connectors EIA RS-232C/ITU-T V.24/V.28 DB25 RS-232C connector; two RJ-11 phone jacks, power jack

Cables One 14-foot RJ-11 phone cable (USA); external power transformer and cord Note: Any cables connected to the computer should be shielded to reduce interference.

Diagnostics Power-on self test, local analog loop, local digital loop, remote digital loop

Indicators LEDs for Transmit Data, Receive Data, Carrier Detect, 28.8K bps, 14.4K bps, 9600 bps, Off Hook, Terminal Ready, Error Correction, Fax

Speaker Command-controlled speaker for call progress monitoring

Manual Control Power switch

Environmental Temperature range 0o-50oC (32o - 120oF); humidity range 20-90% (non-condensing) Power Requirements 100-130V AC, 50/60 Hz, 0.1A/5W

Dimensions 10.8 cm wide x 14.8 cm long x 2.9 cm high (4.25” x 5.8” x 1.15”)

Multi-Tech Systems, Inc. MT2834ZDX User's Guide 29