Table 13.  Components on the front of the server
Callout Callout
1  LCD diagnostics panel assembly 2  LCD diagnostics panel
3  USB 3.2 Gen 1 (5Gbps) connector
4  External diagnostics connector 
5  XClarity Controller USB connector 6  VGA connector (optional)
7  Rack latch (right)
8  Pull-out information tab
9  Drive bays (16) 10  Rack latch (left)
Note: For more information about each component, see “Front components overview” on page 25.
Front components overview
Diagnostics panel
The diagnostics panel is integrated in front I/O assembly on some models. For information about the controls 
and status LEDs on the diagnostics panel, see “Diagnostics panel” on page 26.
Drive LEDs
Each hot-swap drive comes with an activity LED and status LED and the signals are controlled by the 
backplanes. Different colors and speeds indicate different activities or status of the drive. The following 
illustration shows the LEDs on a Hard disk drive or solid–state drive.
Figure 4. Drive LEDs
Drive LED
Status
Description
1  Drive status LED (right) Solid yellow The drive has an error.
Blinking yellow (blinking slowly, about one 
flash per second)
The drive is being rebuilt.
Blinking yellow (blinking rapidly, about four 
flashes per second)
The RAID adapter is locating the drive.
2  Drive activity LED (left) Solid green The drive is powered but not active.
Blinking green The drive is active.
External diagnostics port
The connector is for connecting an external diagnostics handset. For more about its functions, see “External 
LCD diagnostics handset” on page 33.
Chapter 2. Server components 25