Oki OKIFAX4550 Maintenance Manual page 22

No. Item
21 Recording paper running out
22 Minimum scan line time for receiv-
ing
23 Coding scheme
24 MODEM
1) High-speed Modem
2) Low-speed Modem
3) ISDN G4
25 Fallback
Fallback Transmission
rank
1st
2nd
3rd
4th
5th
6th
41309401TH Rev.4
Table 1.1 (7/11) Basic Performance Specifications
The fax can detect the no-paper condition by a photosensor.
When the paper has run out in the local copy operation, the
scanning will stop with "PAPER OUT/JAM" on the LCD and an
ALARM LED turns on without an alarm tone.
When the paper has run out while a message is being
received and the no-paper reception is activated, the LCD
display will show "MSG. IN MEMORY", and the ALARM LED
turns on.
0 ms, when receiving in ECM mode or from an Oki Data
facsimile.
5 ms at 15.4 line/mm or 7.7 line/mm and 10 ms at 3.85 line/mm
when receiving from a non-Oki Data facsimile or non-ECM
mode.
1) One-dimensional coding scheme:
2) Two-dimensional coding scheme:
a) ITU-T Rec. V.29 (9600/7200 bps)
b) ITU-T Rec. V.27 ter (4800/2400 bps)
c) ITU-T Rec. V.17 (14400/12000/9600/7200 bps)
d) ITU-T Rec. V.33 (14400/12000 bps)
e) ITU-T Rec. V.34 (33600/28800 bps)
ITU-T Rec. V.21 channel 2 (300 bps)
ITU-T Rec. T.563, T.521, T.503, T.62, T.6, T.70
Automatic fallback will occur according to the following se-
quence by FTT, RTN or PPR.
Activated by
speed FTT (Times)
14400 bps 1
1
12000 bps
9600 bps 1
7200 bps 1
2
4800 bps
2
2400 bps
When the last trial fails, the transmitting station sends out a
DCN signal to the remote station for disconnection.
Note 1: Continuous PPRs for the same partial page within
Specifications
Modified Huffman (MH)
Modified READ (MR)
Modified modified READ (MMR)
Activated by Activated by
RTN (Times) PPR (Times)
1
4 (Note 1)
1
4 (Note 1)
1 4 (Note 1)
1
4 (Note 1)
1
4 (Note 1)
1
4 (Note 1)
each fallback rank.
2: V.34 fallback sequence
The modem automatically selects transmission speed
according to the line condition.
Protocol
ITU-T V.17 (V.17)
ITU-T V.17 (V.17)
ITU-T V.17 (V.29)
ITU-T V.17 (V.29)
ITU-T V.27 ter.
ITU-T V.27 ter.
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