General Information 1 - 18 OKIFAX 5300/5600Service Manual, P/N 59278301Note: TF: Technical function settingFP: Function program settingOT: One-touch key pressedF: SELECT FUNCTION key pressedNo. Item Specifications25 Fallback Automatic fallback will occur according to the following se-quence by FTT, RTN or PPR.When the last trial fails, the transmitting station sends out aDCN signal to the remote station for disconnection.Note 1: Continuous PPRs for the same partial page within eachfallback rank.Note 2: V.34 modern performs the fall-back depending uponthe line condition automatically protocolFallbackrank1st2nd3rd4th5th6thTransmissionspeed14400 bps12000 bps9600 bps7200 bps4800 bps2400 bpsActivated byFTT (Times)111122Activated byRTN (Times)111111Activated byPPR (Times)4 (Note 1)4 (Note 1)4 (Note 1)4 (Note 1)4 (Note 1)4 (Note 1)ProtocolITU-T V.17 (V.33)ITU-T V.17 (V.33)ITU-T V.17 (V.29)ITU-T V.17 (V.29)ITU-T V.27 ter.ITU-T V.27 ter.1st2nd3rd4th5th6th7th8th9th10th11th12th1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)1 (Note 1)ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.34ITU-T V.3428800 bps26400 bps24000 bps21600 bps19200 bps16800 bps14400 bps12000 bps9600 bps7200 bps4800 bps2400 bpsFallback rank Transmission speed Activated by PPR (Times) Protocol
