User's Manual

Table Of Contents
SPEEDLAN 8500 Series Installation and Operation User Guide
AppendixB-2 Appendix B Startup LED Patterns
Startup LED Patterns
On startup the IDU will go through several start up tests. If any of the tests fail, the IDU will display a particular pattern for
the Forwarding Rate% (located on the front panel of the IDU). The table below explains some test scenarios:
Initial Startup
1% 5% 10% 20% 40% 60% 80% 100%
Initial Power On ON ON ON ON ON ON ON ON
Boot ROM Starting ON ON ON ON
Running from BOOT ROM ONONON ON
Bad Temperature Chip Low ON ON
Bad Temperature High ON ON
Grade Mismatch: Flash = Grade1 ON
Grade Mismatch: Flash = Grade2 ON ON
Grade Mismatch: Flash = Grade3 ON ON
Grade Mismatch: Flash = Grade4 ON ON ON
Grade Mismatch: Flash = Grade5 ON ON
Grade Mismatch: Flash = Grade6 ON ON ON
Grade Mismatch: Flash = Grade7 ON ON ON
Grade Mismatch: Flash = Grade8 ON ON ON ON
Bad Serial Number Key ON ON
Initial Startup Complete