External Device Connector Pin Assignments
C-10
014–001867
VSA SCSI Connectors
SCSI devices connect to the VSA SCSI ports through 50-pin high-density connectors.
Figures C–6 and C–7 show the signals and pin numbers for VSA SCSI connectors for
single-ended and differential interfaces, respectively.
VSA
connector
(female)
Pin Signal
26
Data Bus 0 (DB0)
27
Data Bus 1
28
Data Bus 2
29
Data Bus 3
30
Data Bus 4
31
Data Bus 5
32
Data Bus 6
33
Data Bus 7
34
Data Bus P
35
Ground (GND)
36
Ground
37
Ground
38
Termination Power (TERMPWR)
39
Ground
40
Ground
41
Attention (ATN)
42
Ground
43
Busy (BSY)
44
Acknowledge (ACK)
45
Reset (RST)
46
Message (MSG)
47
Select (SEL)
48
Control/Data (C/D)
49
Request (REQ)
50
Input/Output (I/O)
25
1
26
50
NOTE:
For single–ended SCSI connectors, pins 1 through 12 and pins 14 through 25 are
connected to ground. Pin 13 is left open.
Figure C–6 VSA SCSI Connector Signals – Single-Ended Interface
Summary of Contents for AViiON 5000 Series
Page 2: ......
Page 6: ......
Page 12: ...Preface x 014 001867 ...
Page 86: ...Configuring VME Option Boards 2 52 014 001867 ...
Page 144: ...Connecting External Devices to VME Option Boards 4 44 014 001867 ...
Page 150: ...VME Backplane Connector Signals and Power Distribution A 6 014 001867 ...
Page 196: ...Assigning VME Data Bus and Interrupt Priorities E 10 014 001867 ...
Page 206: ......
Page 210: ...Appendix Title ...