Next Generation SONET/SDH devices are highly integrated platforms. They provide very high port density and port counts as well as the ability to support multiple SONET/SDH rings and various new technologies. The ONT-506 mainframe is equipped with six slots to house modules of the ONT family. Jitter/Wander Application - Allows for jitter and wander generation and analysis of 10 Gbps SONET/SDH and 10.7 Gbps OTN signals to G.709 standards. Choice of plug-in instrument modules for SDH, SONET, OTN, EoS, and Ethernet testing controlled via an easy-to-use large, color, touch screen.