Cisco Cisco IOS Software Release 12.2(35)SE

Cisco IOS Release 12.2(53)EX runs on the Cisco Connected Grid Switch (CGS) 2520. 

These release notes include important information about Cisco IOS Release 12.2(53)EX and any 
limitations, restrictions, and caveats that apply to the releases. Verify that these release notes are correct 
for your switch:

If you are installing a new switch, see the Cisco IOS release label on the rear panel of your switch.

If your switch is on, use the show version privileged EXEC command. See the 

If you are upgrading to a new release, see the software upgrade filename for the software version. 
See the 

For the complete list of CGS 2520 switch documentation, see the 

.

You can download the switch software from this site (registered Cisco.com users with a login password):