Oki B4500 Maintenance Manual page 91

• USB Connector Pin Assignment
(USB I/F)
1
2
• CENT Connector Pin Assignment
(IEEE1284 I/F)
1 19
2 20
3 21
4 22
5 23
6 24
7 25
8 26
9 27
10 28
11 29
12 30
13 31
14 32
15 33
16 34
17 35
18 36
43502101TH Rev.1
PIN NO. I/O*
1 I
3
2 I/O
4
3 I/O
4 C
* I: In
O: Out
C: Common
Pin No. I/O* Signal
1 I STB-N
2 C DATA0-P
3 C DATA1-P
4 C DATA2-P
5 C DATA3-P
6 C DATA4-P
7 C DATA5-P
8 C DATA6-P
9 C DATA7-P
10 O ACK-N
11 O BUSY-P
12 O PE-P
13 O SEL-P
14 I AUTOFEED-N
15 NC
16 C SG
17 C FG
18 O 5VA
* O : Out
I : In
C : Common
Signal Description
VCC VCC
D- D-
D+ D+
SG Ground
Function Pin No. I/O*
Strobe 19
Data0 20
Data1 21
Data2 22
Data3 23
Data4 24
Data5 25
Data6 26
Data7 27
Acknowledge 28
Busy 29
Paper End 30
Select 31
Auto Feed 32
N.C. 33
Logic Ground 34
Frame Ground 35
+5V 36
Oki Data CONFIDENTIAL
Signal Function
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
C SG Logic Ground
I IPRIM-N Iprime
O FAULT-N Fault
C SG Logic Ground
NC N.C.
O HILEVEL High Level
I SELIN-N Select In
91 /