The Cisco SLM224G4PS 24-port 10 100 + 4-port Gigabit Smart Switch - PoE is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2010-07-13
End-of-Support Date: 2015-07-14
Cisco's End-of-Life Policy
You can view a listing of available null offerings that best meet your specific needs
If you want support information for the Cisco SLM224G4PS 24-port 10 100 + 4-port Gigabit Smart Switch - PoE documentation, it may be available through Cisco.com Search or in the Cisco Community