E17
40838301TH Rev.1
A3 - 9
Figure A3.1.8 Interface between E17 Board and OPE (operation unit)
X’tal
MOS CPU
Internal ROM
Key switch
matrix
LCD unit
LEDs
IC1
Eight LEDs
KSCAN0
to
KSCAN7
KSENS0
to
KSENS7
DB0
to
DB7
Control signal
CN9
CN1
TXD
RXD
PSMODE
MPREQ
IRST
OPECHK
+5 V
GND
TXDOPE
RXDOPE
PSMODE
MPREQ
OPERST-N
OPECHK
+5 V
0 V
PCI-N
RIINT
HUP-N
1
2
3
4
5
13
14
15
6,7
8,9
E17
OPE
CPU
ACON
MP/OFF
CN6
CN3
S
R
NCU
E17
S
RP
R
CML
DP
SR
MUTE
PBXE
to OPE
to OPE
OH2
RI-N
A8, B8
A4, B4
A6, B6
A3
B3
A2
A1
B1, B2
A15
A14
Modem
CPU
IC8
Relay driver circuit
Receiving
sensitivity
control
Hook-up signal
detection circuit
Ringing signal
detection circuit
Figure A3.1.7 Interface between E17 Board and NCU Board
Summary of Contents for OKIFAX 5400
Page 7: ...40838301TH Rev 1 CHAPTER 1 GENERAL INFORMATION...
Page 46: ...40838301TH Rev 1 CHAPTER 2 INSTALLATION PROCEDURE...
Page 130: ...40838301TH Rev 1 CHAPTER 3 BRIEF TECHNICAL DESCRIPTION...
Page 138: ...40838301TH Rev 1 CHAPTER 4 MECHANICAL DISASSEMBLY AND REASSEMBLY...
Page 157: ...40838301TH Rev 1 CHAPTER 5 ADJUSTMENTS...
Page 162: ...40838301TH Rev 1 CHAPTER 6 CLEANING AND MAINTENANCE...
Page 189: ...40838301TH Rev 1 CHAPTER 7 TROUBLESHOOTING AND REPAIR FOR OKIFAX 5400...
Page 240: ...40838301TH Rev 1 CHAPTER 8 DIPSWITCHS SETTING TABLES...
Page 380: ...40838301TH Rev 1 D 2 SECTION 1 CABINET ASSEMBLY 5...
Page 382: ...40838301TH Rev 1 D 4 SECTION 2 CONTROL PANEL ASSEMBLY...
Page 384: ...40838301TH Rev 1 D 6 SECTION 3 PRINTER ASSEMBLY 51...
Page 387: ...40838301TH Rev 1 D 9 SECTION 4 BASE ASSEMBLY 30 37 36 39 40 5...
Page 390: ...40838301TH Rev 1 D 12 SECTION 5 SCAN UNIT...
Page 392: ...40838301TH Rev 1 D 14 SECTION 6 PAPER GUIDE U ASSEMBLY...
Page 394: ...40838301TH Rev 1 D 16 SECTION 7 CABLES 10 11 19 12 20 21...
Page 396: ...40838301TH Rev 1 D 18 SECTION 8 OPTION TELEPHONE US...
Page 399: ...40838301TH Rev 1 D 21 SECTION 8 OPTION TELEPHONE UK ITA NOR DEN BEL...
Page 402: ...40838301TH Rev 1 D 24 SECTION 8 OPTION TELEPHONE HOL GER FRA SWITZ AUT INT L...