Dell PERC 4/DC User Manual download pdf (Page 14)



Step 5 Connect SCSI Cables and SCSI Devices



Connect the SCSI cables to the SCSI connectors and SCSI devices.



Connect SCSI Devices



Perform the following steps to connect SCSI devices.

1. Disable termination on any SCSI device that does not sit at the end of the SCSI bus.

2. Configure all SCSI devices to supply TermPWR.

3. Set proper target IDs (TIDs) for all SCSI devices.

4. The host controller has a SCSI ID of 7.

5. Connect the cable to the devices.



Cable Suggestions



System throughput problems can occur if the SCSI cables are not the correct type. To avoid problems, you should follow the following cable suggestions:

l Use cables no longer than 12 meters for Ultra3, Ultra160, and Ultra320 devices. (It's better to use shorter cables, if possible.)

l Make sure the cables meet the specifications.

l Use active termination.

l Notethatcablestublengthshouldbenomorethan0.1meter(4inches).

l Route SCSI cables carefully and do not bend cables.

l Use high impedance cables.

l Do not mix cable types (choose either flat or rounded and shielded or non-shielded).

l Note that ribbon cables have fairly good cross-talk rejection characteristics, meaning the signals on the different wires are less likely to interfere with

each other.



NOTE: The maximum cable length for Fast SCSI (10 MB/sec) devices is 3 meters and for Ultra SCSI devices is 1.5 meters. The cable length can be up to

12 meters for LVD devices. Use shorter cables if possible.

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 91 92

Comments to this Manuals

No comments

Dell PERC 4/DC User Manual Page 14

Comments to this Manuals

Related products and manuals for Computer hardware Dell PERC 4/DC