This is a market research notice for a potential sole-source requirement to purchase specific Universal Switching Corporation digital Matrix Switch parts and a spare kit. The requirement is for two new S24530 BX-664-D1 Matrix Switches and one new SPK-S24530BFX-1 spare kit, with refurbished or used equipment not accepted. The notice is specifically seeking to identify vendors capable of supplying equipment that integrates with the existing Universal Switching Corporation system and can justify bypassing the sole-source restriction. Interested vendors must respond to the provided government email addresses. No budget, performance location, or solicitation timelines are detailed in this market research description.