Chapter 3. Installation and Maintenance
Figure 3–13 Controller/ Four Device Expansion Shelf Cabling Diagram
DEVICE EXPANSION SHELF # 4
P/S | P/S |
A | B |
DEVICE EXPANSION SHELF # 3
P/S | P/S |
A | B |
DEVICE EXPANSION SHELF # 2
P/S | P/S |
A | B |
DEVICE EXPANSION SHELF # 1
P/S | P/S |
A | B |
Personality I/O
Module
| OFF ON | |
| 1 | |
| 2 | |
| 3 | |
Personality I/O | 4 | |
SCSI Bus | ||
Module | ||
Termination | ||
| ||
| Switch (S4) | |
| SCSI Cable | |
|
Personality I/O
Module
TRI
Link
OFF ON 1 
2 
3 
4 
Personality I/O
ModuleSCSI Bus
Termination
Switch (S4)
TRI
Link 
ON
OFF 
1 2 3 4 5 6 7
SCSI Bus Address
Switch (S3)
ON
OFF 
1 2 3 4 5 6 7
SCSI Bus Address
Switch (S3)
CONTROLLER SHELF
P/S | P/S |
A | B |
SCSI Cable
Host 0 I/O | Device | ||||
| Module | I/O Module | |||
|
|
|
|
|
|
| CTR 0 |
|
|
| |
Serial Control
Cable
Maintenance
PC
SCSI Cable
To Host System
