Administrator's Guide

Replacing the SAS cable
To replace the SAS cable:
1. Connect the SAS cable between the messaging system SAS I/O module and the switch.
2. Verify that the replacement SAS cable is working properly by checking the associated LED
status.
3. Confirm that the messaging system has resumed normal operations.
Removing and replacing the SAS I/O module
IMPORTANT: Be sure to unpack the replacement part before you remove the existing component.
This section describes how to remove and replace the SAS I/O module in the messaging system.
Removing the SAS I/O module
To remove the SAS I/O module:
1. Use System Manager to identify the failed component.
2. Verify the failed component by checking for a the blinking amber LED on the failed component.
3. Label the cables so they can be returned to their original locations.
4. Unplug all cables from the SAS I/O module.
IMPORTANT: The SAS I/O cables must be installed in the same slots from which they are
removed or the system might fail.
5. Pull up on the SAS I/O Module release button.
NOTE: You may need to use significant force to accomplish this task.
6. Push down on the SAS I/O module lever (2), and then remove the failed SAS I/O module
(1), (3).
Replacing the SAS I/O module
To replace the SAS I/O module:
Removing and replacing the SAS I/O module 83