CHAPTER 1: MODEM INTRODUCTION1.2 Technical SpecificationsModemfully complies with ITU-T recommendations V.34, V.32bis, V.32,V.22bis, V.22, V.21, V.23, V.24, V.26bis,V.28, V.25, V.25bis, V.52, V.54, V.42,V.42bis, V.8, and BELL 212A/103 operating standards.• Modulation type : Refer to table 1-1A,1-1B.• Clock tolerance(1) Synchronous : ± 0.01%(2) Asynchronous : Basic range + 1% to - 2.5%Extended overspeed range + 2.3% to - 2.5%• DTE speed(1) Synchronous : 33600/31200/28800/26400/24000/21600/19200/16800/14400/12000/9600/7200/4800/2400/1200 bps(2) Asynchronous :115200/76800/57600/38400/33600/32000/31200/28800/26400/24000/21600/19200/16800/14400/12000/9600/7200/4800/3600/2400/1200/600/300 bps with speed conversion.Total bit length : 8, 9, 10, 11 bitsParity bit : odd, even, noneStop bit : 1, 1.5, 2 bits• Error Correction : MNP 4/ITU-T V.42• Data Compression : MNP 5/ITU-T V.42bis• Flow Control : HArdware CTS/RTS, CTS onlySoftware X-ON/X-OFF• Dial Command : Extended AT and ITU-T V.25bis command set.3