Compaq StorageWorks Fibre Channel Troubleshooting Guide

Appendix A
Primary and Secondary Storage System
LEDs
This section describes the LEDs found in a Compaq StorageWorks RA4000, RA4100, or
Enterprise Backup Solution. The LEDs described in this Appendix can be used to determine
normal operation or fault conditions depending on their assignment.
Fibre Channel Host Bus Adapters
Transmit LED
Receive LED
Figure A-1. Fibre Channel Host Bus Adapter/P