IBM Medium J11 User Manual

SAS cable connections
The following gure and steps describe how to connect the SAS cables from a single IBM COS Medium or
Large Disk Enclosure connected to a single IBM COS Controller Node, and when to power the unit on.
Figure 25. SAS cable connections
1. Important: The COS Controller Node and the COS Medium or Large Disk Enclosure must be powered
off before attaching the rst of the two supplied Mini-SAS HD cables.
Make the rst cable connection between the far-left port on the HBA as shown in the gure, and the
top port on the I/O Module installed in the small disk enclosure. The second cable is connected
between the second port from the left on the HBA and the second-to-top port on the I/O Module.
2. Power on the COS medium or large disk enclosure.
3. Wait 3 minutes.
4. Proceed to power on the Controller Node.
Chapter 4. Installation
43

IBM Medium J11 Specifications

General

Brand	IBM
Model	Medium J11
Category	Enclosure
Language	English