3-5
Cisco UCS C220 M4 Server Installation and Service Guide
OL-32473-01
Chapter 3 Maintaining the Server
Status LEDs and Buttons
Rear Panel LEDs and Buttons
shows the rear panel LEDs and buttons.
Figure 3-2
Rear Panel LEDs and Buttons
1
Optional mLOM card LEDs
(not shown, see
)
5
1-Gb Ethernet link status LED
2
1-Gb Ethernet dedicated management link
status LED
6
Rear unit identification button/LED
3
1-Gb Ethernet dedicated management link
speed LED
7
Power supply status LED
4
1-Gb Ethernet link speed LED
Table 3-2
Rear Panel LEDs, Definitions of States
LED Name
State
1
Optional mLOM 10-Gb SFP+
(there is a single status LED)
•
Off—No link is present.
•
Green, steady—Link is active.
•
Green, blinking—Traffic is present on the active link.
1
Optional mLOM 10-Gb BASE-T
link speed
•
Off—Link speed is 10 Mbps.
•
Amber—Link speed is 100 Mbps/1 Gbps.
•
Green—Link speed is 10 Gbps.
1
Optional mLOM 10-Gb BASE-T
link status
•
Off—No link is present.
•
Green—Link is active.
•
Green, blinking—Traffic is present on the active link.
2
1-Gb Ethernet dedicated
management link speed
•
Off—Link speed is 10 Mbps.
•
Amber—Link speed is 100 Mbps.
•
Green—Link speed is 1 Gbps.
3
1-Gb Ethernet dedicated
management link status
•
Off—No link is present.
•
Green—Link is active.
•
Green, blinking—Traffic is present on the active link.
4
1-Gb Ethernet link speed
•
Off—Link speed is 10 Mbps.
•
Amber—Link speed is 100 Mbps.
•
Green—Link speed is 1 Gbps.
353089
mLOM
PCIe 01
PCIe 02
PSU 01
PSU 02
1
3
2
5
6
7
4
1
2