The Cisco Catalyst 4948E Ethernet Switch is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2017-10-31
End-of-Support Date: 2022-10-31
Cisco's End-of-Life Policy
You can view a listing of available Campus LAN Switches - Core and Distribution offerings that best meet your specific needs
If you want support information for the Cisco Catalyst 4948E Ethernet Switch documentation, it may be available through Cisco.com Search or in the Cisco Community