A3-6
AUXILIARY SUMMARY FOR FAX FUNCTION
A3.4 Calling Sequence, Transmitting a Single Page Facsimile
DTE commands
DCE responses
Local DCE
action
Remote Station
Action
Notes
AT+FCLASS=1
OK
Set Class 1
ATD<string>
CONNECT
<NSF frame>
<DLE><ETX>
OK
Dial & send CNG
Look for V.21
Detect flags
Answers Sends
CED,V.21 Send
HDLC flags
Sends NSF
Frame
AT+FRH=3
implied by dialing
with +FCLASS=1
AT+FRH=3 CONNECT Detect
flags
<CSI frame data>
get CSI
Send CSI Frame
<DLE><ETX> get
FCS
OK
accept FCS
check FCS
frame status OK
AT+FRH=3
CONNECT Detect
flags
<DIS frame data>
get DIS
Send DIS frame
get FCS
<DLE><ETX>
DTE must detect
send FCS
accept FCS
final frame bit
detect loss of
to anticipate
OK
drop carrier
NO CARRIER
carrier
loss of carrier
AT+FTH=3
send V.21 carrier
Final frame bit
detect carrier
send flags
clear tells the
CONNECT
detect flags
<TSI frame data>
DCE to expect
send TSI frame
get TSI frame
<DLE><ETX>
send FCS
another frame
send flags
Final frame bit
CONNECT
<DCS frame data>
send DCS frame
set tells the DCE
get DIS frame
<DLE><ETX>
send FCS flags
not to expect
drop
carrier
OK
another frame
AT+FTS=8;+FTM=96
wait 80 ms
CONNECT
send V.29 carrier
detect carrier
<TCF data pattern>
send TCF data
get TCF data
<DLE><ETX> OK
drop
carrier
AT+FRH=3
detect
carrier
send V.21 carrier
CONNECT
detect flags
send flags
send CFR frame
Final frame bit
<CFR frame data>
get CFR frame
<DLE><ETX>
check FCS
send FCS
set
OK
accept FCS
frame OK
NO CARRIER
detect loss of
drop carrier
carrier
AT+FTM=96
CONNECT
send V.29 carrier
detect carrier
<page image date>
send page data
receive page
<DLE><ETX> OK
drop
carrier
AT+FTS8;+FTH=3
wait 80 ms
send V.21 carrier
detect carrier
CONNECT
detect flags
send flags
<EOP frame data>
send EOP frame
receives EOP
<DLE><ETX>
send FCS
drop carrier
OK
final frame
Summary of Contents for T-288C
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Page 32: ...FRONT PANEL LCD AND MENU DRIVEN 3 7 B E R Test Off On...
Page 35: ...3 10 FRONT PANEL LCD AND MENU DRIVEN Stop Bit 1 1 5 2...
Page 38: ...FRONT PANEL LCD AND MENU DRIVEN 3 13 Front Lock Unlock Lock...
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