Accessing An I/O Module Through A Console; Overview Of Fabric Modules; Overview Of Power Modes - Cisco Nexus 9508 Hardware Installation Manual
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- Hardware installation manual (152 pages) ,
- Hardware installation manual (116 pages)
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Accessing an I/O Module Through a Console
• Cisco Nexus 2232TM-E FEX
• Cisco Nexus 2232TM FEX
• Cisco Nexus 2232PP FEX
Accessing an I/O Module Through a Console
You can troubleshoot bootup problems for an I/O module by accessing the module through its console port.
This action establishes a console mode that you must exit in order to use other Cisco NX-OS commands.
To attach to the console port for an I/O module, use the attach console module command to specify the
module that you need to work with. Specify a slot from 1 to 8.
Use the attach console module slot_number command to attach the console to a specific I/O module.
switch# attach console module 3
connected
Escape character is `~,' (tilde comma]
To exit the console mode, enter the ~, command.
Note
Overview of Fabric Modules
The switch supports up to six fabric modules in the chassis. These modules are located behind the three fan
trays (two fabric modules behind each fan tray). The fan tray has an LED that displays the status for the two
fabric modules behind it. To replace a fabric module, you must first remove the fan tray that covers it.
We recommend that you install either three or six fabric modules in the switch. If you install three modules,
install them in every other fabric slot (slots 22, 24, and 26) and install fabric blank filler modules in the
remaining slots to maintain the designed airflow. If you install six modules, install them in every fabric slot.
Overview of Power Modes
You can configure one of the following power modes to either use the combined power provided by the
installed power supply units (no power redundancy) or to provide power redundancy for when there is a power
loss:
Combined mode
Cisco Nexus 9508 Switch Site Preparation and Hardware Installation Guide
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This mode allocates the combined power of all power supplies to active power for switch operations.
This mode does not allocate reserve power for power redundancy in case of power outages or power
supply failures.
Managing the Switch
OL-30837-01
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