PRODUCT FEATURES: Support ITU 100-GHz wavelength grid; Matches wavelength plan of Cisco 100-GHz ONS product family; Fixed wavelength GBICs with 32 different GBIC models; Hot-swappable input/output device that plugs into Gigabit Ethernet GBIC ports or slots of a Cisco switch or router linking the port with the network; Cisco DWDM GBICs can be used and interchanged on a wide variety of Cisco products and can be intermixed in combinations of 1000BASE-SX 1000BASE-LX/LH or 1000BASE-ZX on a port-by-port basis.