Led Displays - Dell S4820T Installation Manual

refer to the FTOS Command Line Reference Guide for the S4820T System and the FTOS Configuration
Guide for the S4820T System.

LED Displays

As shown in the following figures, the S4820T includes LED displays on the front and back of the chassis.
The tables provide a detailed description of each LED's meaning.
Figure 3. Port LEDs
1. Diag LED (Green)
3. Stack LED (Blue/Green)
5. FAN LED (Green/Red)
7. Link LED (Green/Yellow)
Table 1 provides a detailed description of each LED for the S4820T system.
Table 2. System LED Displays
Feature
System LED
TEMP LED
10
2.
4.
6.
8.
LED Color/Display
• Solid blue –— Normal
Operation
• Blinking blue –— Booting
• Solid red –— Critical system
error
• Blinking red –— Non-critical
system error (fan fail, power
supply fail)
• Off –— Normal temperature
• Solid red–Overtemp (Refer to
the NOTE that follows this
table.)
Temp LED (Red)
Locator LED (Blue)
System LED
Activity LED (Blinking Green)
Comment
I/O side
PSU side
The S4820T Switch