Modified modified READ (MMR)
24
MODEM
1) High-speed MODEM
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); OKIFAX 2450, OKIFAX 2350 (option)
d) ITU-T Rec. V.33 (14400/12000 bps); OKIFAX
2450, OKIFAX 2350 (option)
2) Low-speed MODEM
ITU-T Rec. V.21 channel 2 (300 bps)
25
Fallback
Automatic fallback will occur according to the
following sequence by FTT, RTN or PPR.
Fallback
rank
Transmissio
n
speed
Activated
by FTT
(Times)
Activated by
RTN (Times)
Activated by
PPR (Times)
Protocol
1st
14400 bps
1
1
4 (Note 1)
ITU-T V.17
(V.33)
2nd
12000 bps
1
1
4 (Note 1)
ITU-T V.17
(V.33)
3rd
9600 bps
1
1
4 (Note 1)
ITU-T V.17
(V.29)
4th
7200 bps
1
1
4 (Note 1)
ITU-T V.17
(V.29)
5th
4800 bps
2
1
4 (Note 1)
ITU-T V.27 ter.
6th
2400 bps
2
1
4 (Note 1)
ITU-T V.27 ter.
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 each fallback rank.
26
Protocol
1) ITU-T Rec. T.30
2) OKIDATA special protocol high-speed
protocol
The T.30 protocol signal from the transmitting
station is sent at message transmission speed
instead of 300 bps.
Note: In high-speed protocol, 14.4 and 12 K-bps
are not applied.
27
Transmission time
6 sec./ITU-T No. 1 sample document (OKIFAX
2350/2450, option)
Summary of Contents for OF1050
Page 51: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 65: ...Figure 2 3 1 Unpacking Procedure 2...
Page 80: ......
Page 81: ......
Page 152: ...Case 2 Canceling member s from a group...
Page 160: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 209: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 224: ...NCUU Package Layout OKIFAX 1050 2350 2450 Figure 3 10 1 Block Diagram of NCUU...
Page 319: ...Figure 6 14 1 Protocol Dump Data Sample at transmitter side...
Page 326: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 337: ...Page 185 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 5 No Local Copy...
Page 350: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 351: ...Page 191 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 11 LED Test...
Page 365: ...Page 201 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 21 Document Jam...
Page 388: ...Page 218 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Page 390: ...Page 219 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...
Page 392: ...Page 220 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Page 394: ...Page 221 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...
Page 395: ...Section 1 Cabinet Illustratio n Number OKIFAX Description Okidata Part Number Oki Part Number...
Page 398: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 400: ...Partner Exchange BPX for any updates to this material http bpx okidata com...
Page 409: ...Page 227 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Page 418: ...Section 6 Paper Guide Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...
Page 421: ...Page 231 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...
Page 423: ...Page 232 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...
Page 424: ...Section 7 Cables Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...
Page 446: ......
Page 447: ......
Page 448: ...Figure 6 1 High Capacity Second Paper Feeder...