Tainet T-288C User Manual page 129

A3-8
A3.5 Answering and Receiving a Single Page Facsimile
DTE commands DCE responses
AT+FCLASS=1 OK
RING<-
ATA
CONNECT
<CSI frame data>
<DTE><ETX> OK
AT+FTH=3 CONNECT
<DIS frame data>
<DTE><ETX>
OK
AT+FRH=3
CONNECT
<TSI frame data>
<DLE><ETX>
OK
AT+FRH=3 CONNECT
<DSC frame data>
<DLE><ETX>
OK
AT+FTH=3 NO CARRIER
AT+FRM=96
CONNECT
<TCF data>
<DLE><ETX>
NO CARRIER
AT+FRH=3
CONNECT
<CFR frame data>
<DLE><ETX>
OK
AT+FTM=96
CONNECT
<page image data>
<DLE><ETX>
NO CARRIER
AT+FRH=3
CONNECT
<EOP frame data>
<DLE><ETX>
OK
AUXILIARY SUMMARY FOR FAX FUNCTION
Local DCE Remote Station
action Action
Set Class 1
detect Ringing Dials [,send CNG]
off hook,
send CED, get CED,
send V.21 carrier detect carrier
send flags detect flags
send CSI data receive CSI
drop carrier
send DIS data receive DSI
send FCS
drop carrier
detect carrier sends V.21 carrier
detect flags send flags
receive TSI send TSI frame
receive FCS send FCS
accept FCS
receive DCS send DCS frame
receive FCS send FCS
accept FCS
detect loss of drop carrier
carrier
wait 75 ms
detect carrier send V.29 carrier
receive TCF send TCF data
detect loss of drop carrier
carrier
send V.21 carrier detects carrier
send flags detects flags
send CFR frame receives CFR
send FCS
drop carrier
detect carrier send V.29 carrier
receive page send page data
detect loss of drop carrier
carrier
detects carrier waits 75 ms
detects flags sends V.21 carrier
receives EOP sends flags
receive FCS send FCS
accept FCS drop carrier
Notes
AT+FRH=3
implied by
answering with
+FCLASS=1
not final
frame
final frame
frame OK
final frame bit
set
frame OK
DTE didn't check
final frame bit
and issued
+FRH=3
command again
final frame
frame OK