| Appendix A - Technical Specifications |
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, |
| selection, |
| options, |
| 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 |
| 2400 bps, PSK at 1200 bps, FSK at |
| 300 bps |
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 | V.21CH2 (Half Duplex) |
Frequencies | 1650Hz Mark, 1850Hz Space for |
| Transmit Originate |
| 1650Hz Mark, 1850Hz Space for |
| Transmit Answer |
| V.27ter 1800Hz Originate/Answer |
| V.29 QAM 1700Hz Originate/Answer |
| V.17 TCM 1800Hz Originate/Answer |
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