Lenovo x3650 M4 BD 5466 Installation And Service Manual page 31

Figure 7. LEDs rear view
• Ethernet activity LEDs: When these LEDs are lit, they indicate that the server is transmitting to or
receiving signals from the Ethernet LAN that is connected to the Ethernet port.
• Ethernet link LEDs: When these LEDs are lit, they indicate that there is an active link connection on the
10BASE-T, 100BASE-TX, or 1000BASE-TX interface for the Ethernet port.
• AC power LED: Each hot-swap power supply has an AC power LED and a DC power LED. When the AC
power LED is lit, it indicates that sufficient power is coming into the power supply through the power
cord. During typical operation, both the AC and DC power LEDs are lit. For any other combination
of LEDs, see "Power-supply LEDs" on page 17.
• DC power LED: Each hot-swap power supply has a DC power LED and an AC power LED. When the
DC power LED is lit, it indicates that the power supply is supplying adequate DC power to the system.
During typical operation, both the AC and DC power LEDs are lit. For any other combination of LEDs,
see "Power-supply LEDs" on page 17.
• Power-supply error LED: When the power-supply error LED is lit, it indicates that the power supply
has failed.
• System-locator LED: Use this LED to visually locate the server among other servers. You can use
Systems Director or IMM2 web interface to light this LED remotely.
• System-error LED: When this LED is lit, it indicates that a system error has occurred. An LED on the light
path diagnostics panel is also lit to help isolate the error.
PCI riser-card adapter expansion slot locations
The section shows the PCI expansion slot connector locations on the server.
Figure 8. PCI expansion slot connector locations
Power-supply LEDs
This section shows the power-supply LEDs on the server.
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Chapter 1 The Lenovo System x3650 M4 BDType 5466 server
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