50 pin HI-DENSITY D-SUB FEMALE connector at the controller & devices |
|
Pin
|
Name
|
Dir
|
Description |
|
1-25
|
GND
|
|
Ground
|
|
26
|
DB0
|
|
Data Bus 0 |
|
27
|
DB1
|
|
Data Bus 1 |
|
28
|
DB2
|
|
Data Bus 2 |
|
29
|
DB3
|
|
Data Bus 3 |
|
30
|
DB4
|
|
Data Bus 4 |
|
31
|
DB5
|
|
Data Bus 5 |
|
32
|
DB6
|
|
Data Bus 6 |
|
33
|
DB7
|
|
Data Bus 7 |
|
34
|
PARITY
|
|
Data Parity (odd Parity)
|
|
35
|
GND
|
|
Ground
|
|
36
|
GND
|
|
Ground
|
|
37
|
GND
|
|
Ground
|
|
38
|
TMPWR
|
|
Termination Power
|
|
39
|
GND
|
|
Ground
|
|
40
|
GND
|
|
Ground
|
|
41
|
/ATN
|
|
Attention
|
|
42
|
n/c
|
- |
Not connected
|
|
43
|
/BSY
|
|
Busy
|
|
44
|
/ACK
|
|
Acknowledge
|
|
45
|
/RST
|
|
Reset
|
|
46
|
/MSG
|
|
Message
|
|
47
|
/SEL
|
|
Select
|
|
48
|
/C/D
|
|
Control/Data
|
|
49
|
/REQ
|
|
Request
|
|
50
|
/I/O
|
|
Input/Output
|
| 
50 pin HI-DENSITY D-SUB MALE connector at the cable |
