The Cisco ONS 15216 (EDFA2) Metropolitan Regional DWDM System is now obsolete (past End-of-Life and End-of-Support status).
End-of-Sale Date: 2005-09-18
End-of-Support Date: 2010-09-19
Cisco's End-of-Life Policy
You can view a listing of available Cisco ONS 15200 Series DWDM Systems offerings that best meet your specific needs
If you want support information for the Cisco ONS 15216 (EDFA2) Metropolitan Regional DWDM System documentation, it may be available through Cisco.com Search or in the Cisco Community