Rate/Interface Converters and Network Termination Units (NTU) : Although data communication standards are agreed upon and published, multiple standards like V.35, X.21, V.36, Rs-422, Rs-530 have cropped up in high speed communication with very little functional differences. Depending upon the application, the conversion may involve : Electrical( converting electrical signals), Physical ( providing a different connector type), Functional( converting the functional operation of the signals) or Speed (converting from one data rate to another). Multiservice Access equipments or Network termination Units ( NTU) are invariably required for deploying specialized equipments at the customer premises, in local loop and carrier's Point of Presence(POP) Techser carries a entire gamut of these converters and NTUs in both economical models and more sophisticated feature rich models.