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Figure 45. NIC Indicator Lights
NIC indicator codes
1. link LED indicator
2. activity LED indicator
Table 33. NIC Indicator Lights
Status
Link and activity indicators are off
Link indicator is green and activity indicator
is blinking green
Link indicator is amber and activity indicator
is blinking green
Link indicator is green and activity indicator
is off
Link indicator is amber and activity indicator
is off
Link indicator is blinking green and activity is
off
AC power supply units (PSUs) have an illuminated translucent handle that serves as an
indicator. The DC PSUs have an LED that serves as an indicator.
Figure 46. PSU Indicator
The indicator shows whether power is present or if a power fault has occurred
Condition
The NIC is not connected to the network.
The NIC is connected to a valid network at its maximum
port speed and data is being sent or received.
The NIC is connected to a valid network at less than its
maximum port speed and data is being sent or received.
The NIC is connected to a valid network at its maximum
port speed and data is not being sent or received.
The NIC is connected to a valid network at less than its
maximum port speed and data is not being sent or
received.
NIC identity is enabled through the NIC configuration utility.
PSU Indicator Codes
M4 Overview
48
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