User`s guide

License Key Codes C-3
3. From the Telnet command line, type:
telnet> licenseAdd “key”
Where key is the license key string of alphanumeric characters in double
quotes (“key”) that is provided by Compaq Customer Service, and must be
entered exactly as given.
NOTE: The key is case sensitive.
For example:
licenseAdd “9S9RzSebeATAS0k”
When the license key is entered, check it with the licenseShow command. If
the output license information is presented as in Step 2, reboot the switch. If
not, repeat step 3 above.