background image

Chapter 2

3

Chapter 2  System Construction

2.1 Basic Construction

2.1.1 Overview

0010-8843

The board is designed to enable a digital copier to serve as a high-performance multi-functional machine (image processing functions and communication functions

over the telephone line).

It is capable of communicating at a maximum rate of 33.6 kbps, thanks to the presence of a V.34-compliant modem (ITU-T).

F-2-1

[1] Modem PCB

[2] Modular PCB

[3] NCU PCB

[4] Speaker unit

2.1.2 Modem PCB

0010-9262

F-2-2

MPU (IC1)

It performs JBIG encoding/decoding and control of line communication and SDRAM.  SDRAM is connected with a bus of 32bit.

PATCH (IC40)

It controls ports, such as those in NCU or speaker.

SDRAM

It is used as the memory for encoding/decoding of image data during transmitting/receiving and that for MPU work area.

In addition, it is used for storing the transmitted/received image data.

MODEM IC (IC1)

CONEXTANT FM336Plus modem modulates the transmitted data from MPU via line based on the ITU-T V.17, V.21, V.27ter., V.29 and V.34.

In receiving, it demodulates the received data via line based on the ITU-T V.17, V.21, V.27ter., V.29, and V34.

Super Capacitor

It backups the transmitted/received image data stored in SDRAM.

DC/DC

It generates the voltage to backup SDRAM by raising the voltage of super capacitor when main power is shut down or fails.

[1]

[2]

[3]

[4]

SDRAM

Speaker

PATCH

(IC40)

MPU
(IC1)

MODEM IC
FM336Plus

(IC1)

16

b

i
t

32bit

Speaker

driver

(IC70)

Image Processor PCB

Modem PCB

NCU PCB

Super

Capacitor

DC/DC

Summary of Contents for Super G3 FAX Board-T1

Page 1: ...Sep 14 2005 Portable Manual FAX Board Super G3 FAX Board T1...

Page 2: ......

Page 3: ...need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countri...

Page 4: ...uiring care to avoid combustion fire Indicates an item prohibiting disassembly to avoid electric shocks or problems Indicates an item requiring disconnection of the power plug from the electric outlet...

Page 5: ...ed to indicate Low The voltage value how ever differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal me...

Page 6: ......

Page 7: ...Error Code 1 1 1 1User Error Code 1 1 2 Service Error Code 1 1 2 1Service Error Code 1 Chapter 2 System Construction 2 1 Basic Construction 3 2 1 1Overview 3 2 1 2Modem PCB 3 2 1 3NCU PCB 4 2 2 Produc...

Page 8: ......

Page 9: ...program out of control has occurred 0232 Tx encoding error has occurred 0237 Rx decoding error has occurred 0261 Tx Rx system error has occurred 0280 Tx at time of transmission the procedural signal h...

Page 10: ...of ECM transmission the procedural signal has been transmitted more than specified after transmission of PPS EOP 0770 Tx at time of ECM transmission no meaningful signal is received after transmission...

Page 11: ...such as those in NCU or speaker SDRAM It is used as the memory for encoding decoding of image data during transmitting receiving and that for MPU work area In addition it is used for storing the trans...

Page 12: ...l ITU T V 27ter 2 4Kbps 4 8Kbps ITU T V 29 7 2Kbps 9 6Kbps ITU T V 17 TC 7 2Kbps TC 9 6Kbps 12Kbps 14 4Kbps ITU T V 34 2 4Kbps 4 8Kbps 7 2Kbps 9 6Kbps 12Kbps 14 4Kbps 16 8Kbps 19 2Kbps 21 6Kbps 24Kbps...

Page 13: ...tion no Answering machine connection no Fax Tel switching no Divided Transmission yes Remote reception no Polling F code no Memory box no Password reception no Machine telephone No transmission yes Us...

Page 14: ......

Page 15: ...Sep 14 2005...

Page 16: ......

Reviews: