Main features of the Cisco DWDM Small Form-Factor Pluggable Plus (SFP+) module include: The Cisco DWDM SFP+ supports 10-Gigabit data rates from 9.9G to 11.1G (LAN, WAN, and OTU2/OTU2e).The hot-swappable input/output device plugs into an Ethernet SFP+ port of a Cisco switch or router to link the port with the network.The Cisco DWDM SFP+ supports the Cisco quality identification (ID) feature, which enables a Cisco switch or router to identify whether or not the module is an SFP+ module certified and tested by Cisco.The standard Cisco DWDM SFP+ supports 40 non-tunable ITU 100-GHz wavelengths.Cisco DWDM SFP+ modules support digital optical monitoring capability.