The air circulation system consists of the fan modules and the power supply modules. The airflow patterns
vary depending on the power supply configuration. The switch can operate at ambient temperature if one of
the fans fail.
Figure 7: Switch Airflow Pattern
The following illustration shows the airflow pattern for the switches. The blue arrow shows cool airflow, and
the red arrow shows warm airflow.
Ethernet Management Port
You can connect the switch to a host such as a Windows workstation or a terminal server through the
10/100/1000 Ethernet management port or one of the console ports. The 10/100/1000 Ethernet out-of-band
management port is a virtual routing and forwarding (VRF) interface and uses a RJ-45 crossover or
straight-through cable.
The 10/100/1000 Ethernet management port is an RJ-45 connector that should be connected to a Windows
workstation or a terminal server. Do not connect this port to another port in the same switch or to any port
within the same switch stack.
Note
The following table shows the Ethernet management port LED colors and their meanings.
Table 6: Ethernet Management Port LED
DescriptionColor
Link up but no activity.Green
Link up and activity.Blinking green
Link down.Off
RJ-45 Console Port
The RJ-45 console port connection uses the supplied RJ-45-to-DB-9 female cable.
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
10
Product Overview
Ethernet Management Port
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