Deployment Guide

• No – Proceed to the next step.
7. Move the expansion cable back to the original port on the controller enclosure.
8. Move the expansion cable on the expansion enclosure to a known good port on the expansion enclosure.
Is the host link status LED on?
• Yes – You have isolated the problem to the expansion enclosure port. Replace the IOM in the expansion enclosure.
• No – Proceed to the next step.
9. Replace the cable with a known good cable, ensuring the cable is attached to the original ports used by the previous cable.
Is the host link status LED on?
• Yes – Replace the original cable. The fault has been isolated.
• No – It is likely that the controller module must be replaced.
84 Troubleshooting and problem solving