HP ProLiant SL390s G7 2U Half-width Server Maintenance and Service Guide

Connectors, switches, and LEDs 80
Rear panel UID LED indicators
The UID LED indicator allows monitoring of network activity.
Figure 68 UID/LED indicator location
Table 10
UID/LED indicator status
Component Status Description
UID LED indicator Blue Identification
Flashing blue System is being remotely managed
Off Off