3-2
Cisco UCS C240 M4 Server Installation and Service Guide
OL-32474-01
Chapter 3 Maintaining the Server
Status LEDs and Buttons
Status LEDs and Buttons
This section describes the location and meaning of LEDs and buttons and includes the following topics
•
•
Rear Panel LEDs and Buttons, page 3-5
•
Internal Diagnostic LEDs, page 3-8
Front Panel LEDs
shows the front panel LEDs.
defines the LED states.
The small form factor (SFF) drives, 24-drive version and the SFF drives, 16-drive version are shown.
Figure 3-1
Front Panel LEDs
1
Hard drive fault LED (on each drive tray)
Note: NVMe PCIe SSDs drive tray LEDs
have slightly different behavior. See
for the LED states.
6
Fan status LED
2
Hard drive activity LED (on each drive tray)
7
Temperature status LED
3
Power button/power status LED
8
Power supply status LED
4
Unit Identification button/LED
9
Network link activity LED
5
System status LED
HDD01
HDD03
HDD05
HDD07
HDD02
HDD04
HDD06
HDD08
HDD09
HDD11
HDD13
HDD15
HDD10
HDD12
HDD14
HDD16
9
7
5
3
4
6
8
352950
6
7
8
9
5
4
3
HDD
0
1
H
D
D02
H
D
D03
HDD
04
H
D
D05
H
D
D06
H
D
D07
HDD
08
HDD
09
HDD
1
0
HDD
11
HDD
1
2
HDD
1
3
HDD
1
4
HDD
1
5
HDD
1
6
HDD
1
7
HDD
1
8
HDD
1
9
HDD
20
H
D
D21
HDD
22
HDD
23
H
D
D24
1
2
2
1
Содержание UCS C240 M4
Страница 8: ...Contents viii Cisco UCS C240 M4 Server Installation and Service Guide OL 32474 01 ...
Страница 12: ...xii Cisco UCS C240 M4 Server Installation and Service Guide OL 32474 01 ...
Страница 14: ...xiv Cisco UCS C240 M4 Server Installation and Service Guide OL 32474 01 ...
Страница 16: ...xvi Cisco UCS C240 M4 Server Installation and Service Guide OL 32474 01 ...
Страница 26: ...1 10 Cisco UCS C240 M4 Server Installation and Service Guide OL 32474 01 Chapter 1 Overview ...