After the USB console deactivates due to inactivity, you cannot use the CLI to reactivate it. Disconnect and
reconnect the USB cable to reactivate the USB console. For information on using the CLI to configure the
USB console interface, see the Software Configuration Guide.
USB Type A Port
The USB Type A port provides access to external USB flash devices (also known as thumb drives or USB
keys).
The port supports Cisco USB flash drives with capacities from 128 MB to 8 GB. USB devices with port
densities of 128 MB, 256 MB, 1 GB, 4 GB, and 8 GB are supported. When combined with stacking, you can
upgrade other switches in the stack from an USB key inserted in any switch within the stack. Cisco IOS
software provides standard file system access to the flash device: read, write, erase, and copy, as well as the
ability to format the flash device with a FAT file system.
It provides you with the ability to automatically upgrade the internal flash with the USB drive's configuration
and image for emergency switch recovery using USB auto-upgrade. This feature checks the internal flash for
a bootable image and configuration and if either image or the configuration is not available, then the USB
drive is checked for boot images and configuration. If the boot image and configuration are available, these
are copied to flash for the reboot.
Uplink Ports
The Cisco Catalyst 9200 Series switches support both fixed uplinks and modular uplinks. The C9200 switch
models support modular uplinks with one hot-swappable network module that provides uplink ports to connect
to other devices.
The fixed uplink ports on the C9200L switch models support two types of SFP/SFP+ modules.
• 4x1G ports that support 1G SFP modules.
• 4x10G ports that supports either 1G SFP or 10G SFP+.
For supported SFP/SFP+ modules, refer to the Cisco Transceiver Modules Compatibility Information at
http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html
For information about installing an (uplink) SFP/SFP+ module, see Installing SFP/SFP+ Modules, on page
35.
Note
Cisco Catalyst 9200 Series Switches Hardware Installation Guide
5
Product Overview
USB Type A Port
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