OKIDATA Okipage6e, Service Manual

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24 23 24 +8V I RS232C line
voltage 23 OVP C Power ground
26 25 26 TRSEL3 O TR control switch 25 OVP C Power ground
*
O: Out
I: In
C: Common
CN8 Pin Assignment (Centronics Parallel)
Pin No. I/O* Signal Description Pin
No. I/O Signal Description
1 19 1 I STROBE-N Strobe 19 C SG Ground
2 20 2 C DATA1-P Data bit 0 20 C SG Ground
3 21 3 C DATA2-P Data bit 1 21 C SG Ground
4 22 4 C DATA3-P Data bit 2 22 C SG Ground
5 23 5 C DATA4-P Data bit 3 23 C SG Ground
6 24 6 C DATA5-P Data bit 4 24 C SG Ground
7 25 7 C DATA6-P Data bit 5 25 C SG Ground
8 26 8 C DATA7-P Data bit 6 26 C SG Ground
9 27 9 C DATA8-P Data bit 7 27 C SG Ground
10 28 10 O ACK-N Acknowledge 28 C SG Ground
11 29 11 O BUSY-P Busy 29 C SG Ground
12 30 12 O PE-P paper end 30 C SG Ground
13 31 13 O SEL-P Select 31 I IPRIME-
N Input prime
14 32 14 I AUTOFEED-N Auto feed 32 O FAULT-N Fault
15 33 15 NC 33 C SG Ground
16 34 16 C SG Ground 34 NC
17 35 17 C FG 35 O HILEVEL Always kept high
18 36 18 O P-LOGIC-H +5V power
supply 36 I SELIN-N Select in
CN11 Pin Assignment (To Option Board)
Pin No. I/O Signal Description Pin No. I/O Signal Description
01 41 01 O -8V -8V power
supply 41 C 0V Logic ground
02 42 02 C 0V Logic ground 42 C 0V Logic ground
03 43 03 C 0V Logic ground 43 C SSTXD-P EEPROM data
04 44 04 NC 44 O EEPRMCLK
-P EEPROM clock
05 45 05 NC 45 O EEPRMCS1
-P EEPROM
select
06 46 06 C 0V Logic ground 46 O +5V +5V power
supply
07 47 07 C 0V Logic ground 47 I INT2-N Interrupt
request 2
08 48 08 I INT1-N Interrupt
request 1 48 O IOS1-N I/O select 1
09 49 09 O IOS0-N I/O select 0 49 O CS3-N ROM select 3
10 50 10 O CS2-N ROM select 2 50 NC