📄 class1.txt
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Command options: +FTM=3 v.21 ch 2 300 bps +FTM=24 v.27 ter 2400 bps +FTM=48 v.27 ter 4800 bps +FTM=72 v.29 7200 bps +FTM=96 v.29 9600 bps +FTM=73 v.17 7200 bps long +FTM=74 v.17 7200 bps short +FTM=96 v.29 9600 bps +FTM=97 v.17 9600 bps long +FTM=98 v.17 9600 bps short +FTM=121 v.17 12000 bps long +FTM=122 v.17 12000 bps short +FTM=145 v.17 14400 bps long +FTM=146 v.17 14400 bps short+FRM=n Receive Data. +FRM=n causes the modem to enter the receiver mode using the modulation defined below. An ERROR response code results if this command is issued while the modem is on-hook. Parameters: See Command options Command options: +FTM=3 v.21 ch 2 300 bps +FTM=24 v.27 ter 2400 bps +FTM=48 v.27 ter 4800 bps +FTM=72 v.29 7200 bps +FTM=96 v.29 9600 bps +FTM=73 v.17 7200 bps long +FTM=74 v.17 7200 bps short +FTM=96 v.29 9600 bps +FTM=97 v.17 9600 bps long +FTM=98 v.17 9600 bps short +FTM=121 v.17 12000 bps long +FTM=122 v.17 12000 bps short +FTM=145 v.17 14400 bps long +FTM=146 v.17 14400 bps short+FTH=n Transmit data with HDLC Framing. +FTH=n causes the modem to transmit data using HDLC protocol and the modulation defined below. An ERROR response code results if this command is issued while the modem is on-hook. Parameters: See Command options Command options: +FTM=3 v.21 ch 2 300 bps +FTM=24 v.27 ter 2400 bps +FTM=48 v.27 ter 4800 bps +FTM=72 v.29 7200 bps +FTM=96 v.29 9600 bps +FTM=73 v.17 7200 bps long +FTM=74 v.17 7200 bps short +FTM=96 v.29 9600 bps +FTM=97 v.17 9600 bps long +FTM=98 v.17 9600 bps short +FTM=121 v.17 12000 bps long +FTM=122 v.17 12000 bps short +FTM=145 v.17 14400 bps long +FTM=146 v.17 14400 bps short+FRH=n Receive data with HDLC Framing. +FRH=n causes the modem to receive frames using HDLC protocol and the modulation defined below. An ERROR response code results if this command is issued while the modem is on-hook. Parameters: See Command options Command options: +FTM=3 v.21 ch 2 300 bps +FTM=24 v.27 ter 2400 bps +FTM=48 v.27 ter 4800 bps +FTM=72 v.29 7200 bps +FTM=96 v.29 9600 bps +FTM=73 v.17 7200 bps long +FTM=74 v.17 7200 bps short +FTM=96 v.29 9600 bps +FTM=97 v.17 9600 bps long +FTM=98 v.17 9600 bps short +FTM=121 v.17 12000 bps long +FTM=122 v.17 12000 bps short +FTM=145 v.17 14400 bps long +FTM=146 v.17 14400 bps shortTable 6-3 Fax Class 1 Calling Sequence (One Page)|----------------------------------------------------------------------|| DTE Commands | DCE Responses | Remote Fax | Notes ||--------------|------------------|-----------------|------------------|| AT+FCLASS=1 | OK | | Set to Class 1 ||----------------------------------------------------------------------|| PHASE A ||----------------------------------------------------------------------|| ATDTx | dials | answers | +FRH=3 implied by| | | | | dialing || | CONNECT | Send HDLC flags | ||----------------------------------------------------------------------|| PHASE B ||----------------------------------------------------------------------|| | | Send NSF frame | || | <NSF>,OK | | || AT+FRH=3 | CONNECT | | || | | Send CSI frame | || | <CSI>,OK | | || AT+FRH=3 | CONNECT | | || | | Send DIS frame | Last frame bit=1 || | <DIS>,OK | drop carrier | || AT+FTH=3 | Send HDLC flags | receive flags | || | CONNECT | | || <TSI> | Send TSI frame | Receive TSI | Last frame bit=0 || | CONNECT | | || <DCS> | Send DCS frame | Recieve DCS | Last frame bit=1 || | detect last frame| | || | bit | | || | <OK>,drop carrier| | || AT+FTS=8 | <OK>,wait 80ms | | || AT+FTM=96 | send v.29 | | || | CONNECT | | || <TCF> | Send TCF data | Receive & check | || AT+FRH=3 | CONNECT | | || | Send CFR frame | | Last frame bit=1 || <CFR>,OK | drop carrier | | || | OK | | ||----------------------------------------------------------------------|| PHASE C ||----------------------------------------------------------------------|| AT+FTM=96 | send v.29 | | || | CONNECT | | || age data | send page data | receive data | || | OK | | || AT+FTH=3 | send HDLC flags | receive flags | || | CONNECT | | ||----------------------------------------------------------------------|| PHASE D ||----------------------------------------------------------------------|| <EOP> | send EOP frame | receive EOP | Last frame bit=1 || | OK,drop carrier | | || AT+FRH=3 | CONNECT | | || | | send MCF frame | Last frame bit=1 || | <MCF>,OK | | || AT+FTH=3 | send HDLC flags | receive flags | || | CONNECT | | || <DCN> | send DCN frame | receive DCN | Last frame bit=1 || | OK,drop carrier | | ||----------------------------------------------------------------------|| PHASE E ||----------------------------------------------------------------------|| ATH0 | OK,hang up | hang up | ||----------------------------------------------------------------------|Table 6-4 Fax Class 1 Answering Sequence (One Page)|----------------------------------------------------------------------|| DTE Commands | DCE Responses | Remote Fax | Notes ||--------------|------------------|-----------------|------------------|| AT+FCLASS=1 | OK | | ||----------------------------------------------------------------------|| PHASE A ||----------------------------------------------------------------------|| | | Fax machine dial| || | RING | | || ATA | modem answers | | || | send HDLC flags | receive flags | +FTH=3 implied by|| | | | answering || | CONNECT | | ||----------------------------------------------------------------------|| PHASE B ||----------------------------------------------------------------------|| <NSF> | send NSF frame | receive NSF | last frame bit=0 || | CONNECT | | || <CSI> | send CSI frame | receive CSI | last frame bit=0 || | CONNECT | | || <DSI> | send DSI frame | receive DSI | last frame bit=1 || | OK, drop carrier | | || AT+FRH=3 | CONNECT | | || | | send TSI frame | last frame bit=0 || | <TSI>,OK | | || AT+FRH=3 | CONNECT | | || | | send DCS frame | last frame bit=1 || | <DCS>,OK | drop carrier | || AT+FRM=96 | | | || | | send v.29 | || | CONNECT | send TCF frame | || | <TCF> | drop carrier | || | NO CARRIER | | || AT+FTH=3 | CONNECT | | || <CFR> | send CFR frame | receive CFR | last frame bit=1 || | OK,drop carrier | | ||----------------------------------------------------------------------|| PHASE C ||----------------------------------------------------------------------|| AT+FRM=96 | | | || | | send page data | || | <page data> | drop carrier | || | NO CARRIER | | ||----------------------------------------------------------------------|| PHASE D ||----------------------------------------------------------------------|| AT+FRH=3 | CONNECT | | || | | send EOP frame | last frame bit=1 || | <EOP>,OK | | || AT+FTH=3 | CONNECT | | || <MCF> | send MCF frame | receive MCF | last frame bit=1 || | OK,drop carrier | | || AT+FRH=3 | CONNECT | | || | | send DCN frame | last frame bit=1 || | <DCN>,OK | | ||----------------------------------------------------------------------|| PHASE E ||----------------------------------------------------------------------|| ATH0 | OK,hang up | hang up | ||----------------------------------------------------------------------|⌨️ 快捷键说明
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