Connecting To A System Backplane; Connecting External Devices - Adaptec RAID 2405 Installation And User Manual

When all internal disk drives have been installed and attached to the controller, close your
3
computer cabinet, reattach the power cord, then continue with
Devices on page

Connecting to a System Backplane

In a backplane connection, disk drives and SAS cards are attached to and communicate with
each other through a system backplane.
The number of disk drives is limited to the number of slots available on the backplane. Some
backplanes have embedded SAS expanders and can support up to 128 end devices. (For more
information about backplane and expander connections, see
Connect one or more internal SAS or SATA disk drives to the backplane. (Refer to your
1
system's documentation for more information.)
Use an internal SAS cable to connect the controller to the backplane, as shown in the
2
examples on
External SAS cable
connecting to a
drive bay
When all internal disk drives have been installed and connected, close your computer
3
cabinet, reattach the power cord, then continue with

Connecting External Devices

Note:
If you are not connecting any external devices, see the following section,
Use high-quality cables to connect your controller to your external device(s), such as disk
drives or disk drive enclosures.
Adaptec recommends using only Adaptec cables. For more information or to purchase cables,
visit the Adaptec Web site at www.adaptec.com.
Chapter 5: Installing the Controller and Disk Drives
41.
page 41.
Controller connected to backplane
with Internal mini-SAS to mini-SAS
(SFF-8087 to SFF-8087)
Controller connected to backplane
with multi-lane cable (SFF-8484)
Connecting External
page 71.)
Disk drives on
backplane
Disk drives on
backplane
Connecting External Devices on page
Next
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41.
Steps.