HP ML530 ProLiant ML530 Generation 2 Server Setup and Installation Guide - Page 247

System LEDs and Switches Rear Unit Identification LED and Button The HP ProLiant ML530 Generation 2 server includes unit identification (UID) LEDs with buttons on both the front and rear panels. The UID LEDs indicate activity status and can be toggled on and off by the pushing the UID button or through Insight Manager 7. The rear UID provides a visual reference for locating an individual server in a rack of servers. The rear UID contains an integrated button to activate or deactivate the LED. Figure C-9: Rear UID and button The rear UID indicates the following states: • Blue = The button is activated. • Blue flashing = The system is being monitored remotely. • Off = The button is deactivated. NOTE: You can activate and deactivate the UID from either the front or rear UID button. HP ProLiant ML530 Generation 2 Server Setup and Installation Guide C-13