Multi-Tech MultiModemISI ISI3334/4, Quick Reference Manual

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Appendix A - Technical Specifications
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Intelligent Features Fully “AT command” compatible,
microprocessor controlled remote
configuration, EIA extended Automode,
adaptive line probing, automatic symbol rate
and carrier frequency during start-up, retrain
and rate renegotiation, autodial, redial,
repeat dial, dial linking, pulse or tone dial,
dial pauses, call status display, auto-parity
and data rate selection, keyboard-controlled
modem options, nonvolatile memory and on-
screen displays for modem option
parameters and up to ten telephone
numbers/command lines of up to 60 digits
each, help menus
Command Buffer 60 characters
Modulation Trellis Coded Modulation ( TCM) at 33,600,
31,200, 28,800, 26,400, 24,000, 21,600,
19,200, 16,800, 14,400, 12,000 and 9600
bps, Quadrature Amplitude Modulation
(QAM) at 9600 (non-trellis), 4800 and 2400
bps, PSK at 1200 bps, FSK at 300 bps
Fax Modulations V.21CH2 FSK at 300 bps
V.27
ter 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 V.21CH2 (Half Duplex)
Frequencies 1650Hz Mark, 1850Hz Space for Transmit
Originate
1650Hz Mark, 1850Hz Space for Transmit
Answer
V.27 ter 1800Hz Originate/Answer
V.29 QAM 1700Hz Originate/Answer
V.17 TCM 1800Hz Originate/Answer