Procedure
Step 1
Choose Start > Control Panel > Add or Remove Programs (Uninstall a program).
Step 2
Scroll to Windows Driver Package - Exar corporation (xrusbser) Ports and click Remove. The Program
Maintenance window is displayed.
Step 3
Click Yes to uninstall the driver.
Connecting a USB Flash Device
To connect a USB flash device to the Cisco ASR 920 Router, insert the memory stick in the USB port labeled
USB MEM. The flash memory module can be inserted only one way, and can be inserted or removed regardless
of whether the router is powered up or not.
The following figure shows the USB port connector on the Cisco ASR 920 Router.
Figure 27: Cisco ASR 920 Router Flash Token Memory Stick
Removing a USB Flash Device
To remove and replace a USB flash token memory stick from and into a Cisco ASR 920 Router, follow these
steps:
Procedure
Step 1
Execute the
eject usb0:
command before removing the USB from the router.
Example:
rommon 2 > eject usb0
rommon 2 >
If you do not run this command before removing the USB, the following error message is displayed:
rommon 2 > dir usb0:
usb_stor_BBB_comdat:usb_bulk_msg error
failed to send CBW status 34
RESET:stall
usb_stor_BBB_comdat:usb_bulk_msg error
failed to send CBW status 34
RESET:stall
usb_stor_BBB_comdat:usb_bulk_msg error
Step 2
Pull the memory stick from the USB port.
Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide
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Install the Router
Connecting a USB Flash Device
