E-2 APPENDIX E: TECHNICAL INFORMATIONError Control, DataCompression, Testing,and DialingFax Your Business Modem provides Group III -compatibility when controlledby Class 1 or Class 2.0 fax software. In addition, your Business Modemadheres to the following standards:ITU-T V.23 1200 bps asymmetrical with 75 bps back channel withFrequency Shift Keying (FSK), used by some U.K. andEuropean phone systems.Bell 103 300 bps (ITU-T V.21 optional) asynchronous, FrequencyShift Keying (FSK)This modulation SupportsThis SupportsITU-T V.42 LAPM error control, 1200 bps and higherMNP Levels 2, 3 and 4 error control, level 5 data compression,1200 bps and higherHST Asymmetrical mode, at 16.8/14.4/12 kbps; 9600/7200/4800 bps, 450/300 bps back channelITU-T V.42 bis Data compression, 1200 bps and higherITU-T V.54 Digital and remote digital loopback testingThis SupportsTIA/EIA-578 Service Class 1 Asynchronous Facsimile DCE ControlStandardTIA/EIA-592 Service Class 2.0 Asynchronous Facsimile DCE ControlStandardITU-T V.17 14.4/12 kbpsITU-T V.29 9600/7200 bpsITU-T V.27 ter 4800/2400 bpsITU-T V.21 300 bps