Compaq 3000 - Manual (Page 76)

Chapter 3. Installation and Maintenance
EK–SMCPQ–UG. C01 3–25
Figure 3–13 Controller/ Four Device Expansion Shelf Cabling Diagram
SHR-1120
DEVICE EXPANSION SHELF # 1
DEVICE EXPANSION SHELF # 3
DEVICE EXPANSION SHELF # 2
DEVICE EXPANSION SHELF # 4
CONTROLLER SHELF
P/S
A
P/S
A
P/S
A
P/S
A
P/S
A
P/S
B
P/S
B
P/S
B
P/S
B
P/S
B
TRI
Link
TRI
Link
P/S
B
P/S
A
CTR 0
Host 0 I/O
Module
Device
I/O Module
Personality I/O
Module
Personality I/O
Module
Personality I/O
Module
Personality I/O
Module
SCSI Cable
BN37A-0E
SCSI Cable
BN37A-0E
To
Maintenance
PC
To Host System
SCSI Cable
BN37A-05
Serial Control
Cable
(17-04730-01)
ON
OFF
1 2 3 4 5 6 7
SCSI Bus Address
Switch (S3)
1
2
3
4
SCSI Bus
Termination
Switch (S4)
OFF ON
ON
OFF
1 2 3 4 5 6 7
SCSI Bus Address
Switch (S3)
1
2
3
4
SCSI Bus
Termination
Switch (S4)
OFF ON