Product data

USRobotics
Command Reference
Fax Class 1 and Fax Class 1.0 Commands - 126
AT+FTM=96 CONNECT
<TCF data>
<DLE><ETX>
OK
detect carrier receive TCF
detect loss-of-carrier
wait 75 ms send V.29
carrier send TCF data
drop carrier
AT+FRH=3
<CFR frame
data>
<DLE><ETX>
CONNECT OK send V.21 carrier send
flags get CRF frame send
FCS drop carrier
detect carrier detect flags
receive CFR
final frame
AT+FTM=96 CONNECT
<page image
data>
<DLE><ETX>
NO CARRIER
detect carrier receive
page detect loss-of-carrier
send V.29 carrier send
page data drop carrier
CONNECT
<EOP frame
data>
<DLE><ETX>
NO CARRIER
detect carrier detect flags
receive EOP receive FCS
accept FCS
wait 75 ms send V.21
carrier send flags send
EOP frame send FCS
frame OK
AT+FRH=3 NO CARRIER detect loss-of-carrier drop carrier
AT+FRH=3
<MCFame
data>
<DLE><ETX>
CONNECT OK send V.21 carrier send
flags get MCF frame send
FCS accept FCS
detect carrier detect flags
receive MCF frame
final frame
AT+FRH=3 CONNECT
<DCN frame
data>
<DLE><ETX>
OK
detect carrier detect flags
receive DCN receive FCS
accept FCS
send V.21 carrier send
flags send DCN frame
send FCS
frame OK
AT+FRH=3 NO CARRIER detect loss-of-carrier drop carrier end of session
ATH0 OK hang up
Table 5-4: Fax Class 1 Answering Sequence (Receiving a Single Page)
DTE
Commands
Modem
Responses
Local Modem Action Remote Station
Action
Notes