Oki B 4100 Maintenance Manual page 423

IOGA3
PD0-PD7
Busy
nAck
PError
Select
nFault
nStrobe
nInit
nSelectIn
nAutoFd
BREQ
BACK
IC2
BREQ
BACK
RD/WRT/CASL/RMCS
SH7034
CPU
Figure A3.2.21 Interface between M17 Board and CTR Board (PC interface unit)
40055101TH Rev.4
CN17
AD0-AD7
AD8-AD15
CN12
R17 CTR (option)
Transceiver
20pin
CN3
Dir
Driver
Receiver
nStrobe
nSelectIn
DIR
nAutoFd
BREQ-I
BREQ-O
BACK-I
BACK-O
RD/WRT/CASL/RMCS
AD0-AD7
AD8-AD15
CN2
EPM7064LC68-15
50pin
+5V
CN1
PD0-PD7
+5V
Busy
nAck
to PC
PError
Select
nFault
+5V
nStrobe
nInit
nSelectIn
nAutoFd
IC1
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