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Catalyst 3850 Switch Hardware Installation Guide
OL-26779-02
Chapter 1 Product Overview
Front Panel
Figure 1-3 USB Mini-Type B Port
You can use the command-line interface (CLI) to configure an inactivity timeout which reactivates the
RJ-45 console if the USB console has been activated and no input activity has occurred on the USB
console for a specified time period.
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 switch software guide.
USB Type A Port
The USB Type A interface provides access to external USB flash devices (also known as thumb drives
or USB keys).
The interface supports Cisco USB flash drives with capacities from 64 MB to 1 GB.
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.
For more information about the switch management ports, see the switch software configuration guide
and the command reference on Cisco.com and the “Connector Specifications” section on page B-1.
Network Modules
The switch supports one hot-swappable network module that provides uplink ports to connect to other
devices. The switch should only be operated with either a network module or a blank module installed.
The switch generates logs when you insert or remove a network module with SFP ports.
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