Troubleshooting External Connections; Troubleshooting Power Supply/Cooling Fan Modules - Dell PowerVault MD3800f Owner's Manual

Figure 27. Removing an SFP Module
1. SPF transceiver
7. Install the new SFP transceiver into the interface port. Ensure that the transceiver is properly seated.
8. Reconnect the fiber optic cable.
9. View the FC IN speed LEDs and the Physical Disk Channel speed LEDs.
Based on the LED status, perform one of these actions:
• If at least one of the FC IN LEDs for each port is on, go to step 11.
• Both the FC IN LEDs on an MD storage array RAID controller module enclosure for a particular
port are off.
• Check that the SFP transceiver is installed correctly. Reinstall the SFP transceiver if necessary.
NOTE: If the storage array is not in an Optimal status, click the Recovery Guru toolbar button in
the Array Management Window to determine if any other actions are required.
10. If the problem is resolved, go to step 11. If the problem persists, see
11. Create, save, and print a new storage array profile.

Troubleshooting External Connections

• Verify that the cables are connected to the correct ports before troubleshooting any external devices.
For the location of the back-panel connectors on your storage array, see
Indicators.
• Ensure that all the cables are securely attached to the external connectors on your array.
• For information on cabling, see the Deployment Guide for your storage array at dell.com/
powervaultmanuals.

Troubleshooting Power Supply/Cooling Fan Modules

CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
36
2. fiber optic cable
Getting Help.
Back Panel Features and