1. Installing Internal Optional Devices
Express5800/R120h-1M User’s Guide
50
Chapter 2 Preparations
1.3
Identifying Servers (UID Switch)
Using UID (Unit ID) Switch helps you to identify the target server.
When the server is working,
be sure to identify the target server by using UID Switch first
before you turn
off the server or disconnect a cable from the server.
To turn UID LED on, press UID Switch. When it is pressed again, the LED will be off.
UID LED
Rear
UID switch / LED
Front
2.5-inch x8 drive model / 2.5-inch x10 drive model
UID switch / LED
3.5-inch x4 drive model
