Expanding Your System
3.5 Connecting Two Expansion Boxes
3.5 Connecting Two Expansion Boxes
You can add a second expansion box at a later time and link the two expansion
boxes together in series. You can stack expansion boxes or place them side by
side.
Note
If you have more than one of the same type of device attached to your
system, you must change the SCSI ID on the second device to an open
ID number on the SCSI bus. See Appendix A.
To link two expansion boxes, follow these steps:
1.
Make sure the
l O
on/off switches on all expansion boxes are set to off
(O), then power off the system unit.
2.
Remove the 50-pin terminator on the first expansion box. Store the
terminator for future use.
3.
Connect one end of the 50-pin to 50-pin connector cable to the upper
connector on the second expansion box.
4.
Connect the other end of the 50-pin to 50-pin connector cable to the lower
connector on the first expansion box.
5.
Attach a 50-pin terminator to the unused SCSI port on the second
expansion box.
6.
Connect the power cord of the second expansion box to the power receptacle
on the expansion box, then plug the other end into a grounded power
outlet. Each expansion box needs its own source of power.
Figure 3–3 shows how to connect two RRD42 expansion boxes to the system in
series.
3–5
