Board Descriptions
A - 63
OF 5300/5600 Serv Man, P/N 59278301
A3.12 CTR Circuit Diagram (PC interface unit; Option)
CTR board is used as an interface board of PC and FAX when PC is connected to facsimile
machine.
1.
Block diagram
CTR board circuit is formed by Receiver, Driver, and 1284-I/F.
Figure A3.12.1 shows related signals of CTR board.
1284-I/F
Receiver
Driver
Host PC
CN2
CN3
CN1
RD-N, WRL-N
PSBN
VEROP
ACK-N
CASL-N,
FLT-N
SELP
AFXN
BSYP
IPRN
AD8 to AD15
IC2
CTR (option)
R44/17
CPU
IOGA
AD0 to AD7
BRE0I
SLIN
PD0 to PD7
BACKI
CLK
BRE0O
BACKO
Related Signals of P050 (PC interface unit) (Figure A3.12.1)
Summary of Contents for OF5600
Page 376: ...Illustrated Parts List D 2 OKIFAX 5300 5600 Service Manual P N 59278301 1 Cabinet Assembly...
Page 388: ...Illustrated Parts List D 14 OKIFAX 5300 5600 Service Manual P N 59278301 5 Scan Unit...
Page 394: ...Illustrated Parts List D 20 OKIFAX 5300 5600 Service Manual P N 59278301 8 Option Telephone...