Connector Pin Assignments - Epson ActionTower 3000 Computer User Manual

Connector Pin Assignments

Parallel port connector pin assignments (CN5)
Pin Signal
1
Strobe
2 Data 0
3
Data 1
Data 2
4
5 Data 3
Data 4
6
7
Data 5
Data 6
8
9
Data 7
Active low logic
l
Serial port connector pin assignments
Pin Signal
1 I
Data carrier detect
2 Receive data
Transmit data
3
4 Data terminal ready
5 Ground
A-16 S p e c i f i c a t i o n s
Pin Signal
10 ACK'
BUSY
11
12 PE
13
Select
14
AFD*
15
Error*
16
Init*
17
selection*
1 8 Signal ground
Pin Signal
Data set ready
6
7
Request to send
8 Clear to send
9 Ring indicator
Pin Signal
19 Signal ground
20 Signal around
Signal ground
21
Signal ground
2 2
Signal ground
23
Signal ground
2 4
Signal ground
2 5
(CN7 and CN6)
I