TC Communications specializes in Leased Line obsolscense and other legacy equipment migration solutions to T1 or IP/Ethernet networks. Interfaces include 4-wire E&M, Serial, FXO/FXS, and Dry Contact. Class 1 and passenger rail applications include:
Signal Control and Wayside Networks to provide data connectivity between wayside cabinets over an IP backbone.
Positive Train Control using TDM over IP products to connect remote control points to radio towers with analog and dry contact interface cards.
Leased Line Replacement with a focus on minimal impact to the existing network.p
Each product is made in the USA since 1991.