5U Enclosure Ops Panel - Dell EMC ME4 Series Owner's Manual

Table 4. Ops panel functions (see left ear on 2U front panel)
No. Indicator
1 System power
2 Status/Health
3 Unit identification display
4 Identity
System power LED (green)
LED displays green when system power is available. LED is off when system is not operating.
Status/Health LED (blue/amber)
LED illuminates constant blue when the system is powered on and functioning normally. LED blinks blue when enclosure management is
busy, for example, when booting or performing a firmware update. LEDs helps you identify which component is causing the fault. LED
illuminates constant amber when experiencing a system hardware fault which could be associated with a Fault LED on a PCM or IOM. LED
illuminates blinking amber when experiencing a logical fault.
Unit identification display (green)
The UID is a dual seven-segment display that shows the numerical position of the enclosure in the cabling sequence. This is also called the
enclosure ID. The controller enclosure ID is 0.
Identity LED (blue)
When activated, the Identity LED blinks at a rate of 1 second on, 1 second off to easily locate the chassis within a data center. The locate
function can be enabled or disabled through SES. Pressing the button toggles the state of the LED. Setting the enclosure ID using the
System ID button is not supported by the firmware.

5U enclosure Ops panel

The front of the enclosure has an Ops panel located on the left ear flange of the 5U chassis as shown in
enclosure front panel. The Ops panel is an integral part of the chassis CRU, and is not replaceable on-site.
Status
Constant green: at least one PCM is supplying power
Off: system not operating regardless of AC present
Constant blue: system is powered on and controller is ready
Blinking blue (2 Hz): Enclosure management is busy
Constant amber: module fault present
Blinking amber: logical fault (2 seconds on, 1 second off)
Green (seven-segment display: enclosure sequence)
Blinking blue (0.25 Hz): system ID locator is activated
Off: Normal state
Figure 29. LEDs: Ops panel—5U
Storage system hardware 23