 50 pin HI-DENSITY D-SUB FEMALE connector at the controller & devices |
Pin
|
Name
|
Dir
|
Description |
01
|
GND
|
|
Ground
|
02
|
+DB0
|
|
+Data Bus 0 |
03
|
+DB1
|
|
+Data Bus 1 |
04
|
+DB2
|
|
+Data Bus 2 |
05
|
+DB3
|
|
+Data Bus 3 |
06
|
+DB4
|
|
+Data Bus 4 |
07
|
+DB5
|
|
+Data Bus 5 |
08
|
+DB6
|
|
+Data Bus 6 |
09
|
+DB7
|
|
+Data Bus 7 |
10
|
+DBP
|
|
+Data Bus Parity (odd Parity)
|
11
|
DIFFSENS
|
? |
???
|
12
|
res
|
- |
Reserved
|
13
|
TERMPWR
|
|
Termination Power
|
14
|
res
|
- |
Reserved
|
15
|
+ATN
|
|
+Attention
|
16
|
GND
|
|
Ground
|
17
|
+BSY
|
|
+Bus is busy
|
18
|
+ACK
|
|
+Acknowledge
|
19
|
+RST
|
|
+Reset
|
20
|
+MSG
|
|
+Message
|
21
|
+SEL
|
|
+Select
|
22
|
+C/D
|
|
+Control or Data
|
23
|
+REQ
|
|
+Request
|
24
|
+I/O
|
|
+In/Out
|
25
|
GND
|
|
Ground
|
26
|
GND
|
|
Ground
|
27
|
-DB0
|
|
-Data Bus 0 |
28
|
-DB1
|
|
-Data Bus 1 |
29
|
-DB2
|
|
-Data Bus 2 |
30
|
-DB3
|
|
-Data Bus 3 |
31
|
-DB4
|
|
-Data Bus 4 |
32
|
-DB5
|
|
-Data Bus 5 |
33
|
-DB6
|
|
-Data Bus 6 |
34
|
-DB7
|
|
-Data Bus Parity7
|
35
|
-DBP
|
|
-Data Bus Parity (odd Parity)
|
36
|
GND
|
|
Ground
|
37
|
res
|
- |
Reserved
|
38
|
TERMPWR
|
|
Termination Power
|
39
|
res
|
- |
Reserved
|
40
|
-ATN
|
|
-Attention
|
41
|
GND
|
|
Ground
|
42
|
-BSY
|
|
-Bus is busy
|
43
|
-ACK
|
|
-Acknowledge
|
44
|
-RST
|
|
-Reset
|
45
|
-MSG
|
|
-Message
|
46
|
-SEL
|
|
-Select
|
47
|
-C/D
|
|
-Control or Data
|
48
|
-REQ
|
|
-Request
|
49
|
-I/O
|
|
-In/Out
|
50
|
GND
|
|
Ground
|
|  50 pin HI-DENSITY D-SUB MALE connector at the cable |