Oki OKIFAX4550 Maintenance Manual page 87

• TEL/FAX mode flow chart
Telephone call
or manual
transmission
Load document
Press START
Button
Manual
Transmission
Note *1: Ring Back Tone — 1 sec. ON, 3.2 sec. OFF
*2: When you want to talk by phone, pick up handset.
*3: The called party can send CED to the calling party immediately to start FAX
communication if the CNG is detected during the period.
*4: If the fax does not detect CNG signal during working of TEL/FAX mode, LCD display
indicates "LIFT HANDSET".
41309401TH Rev.4
Calling
party
Ringing
*1
Ring Back Tone
CED
NSF, CSI, DIS
DCN
Called
(TEL/FAX mode)
party
CML ON
2.1 sec
*2
CNG
Detection
TEL/FAX
Period
Automatic
Switch Over
Time
(20/35 sec)
CML"OFF"
1 sec
3.2 sec
To detect CNG signal
Indication of LCD
14:14 T/F
*3
LIFT HANDSET
AUTO REC. START
OKI TOKYO
RECEIVING G3/33.6K
1 sec
87 /