Verilink Corporation manufactures and markets networking equipment. The company's products include channel and data service units, DIP switches, DACS, broadband access equipment, and inverse multiplexers. It also offers access routers and loop and integrated access devices. Additionally, the company provides pre-sales support and technical training services. It has partnerships with Alcatel-Lucent, Nortel Networks, interlink, ANIXTER, Cirpack, Nokia, and Siemens. The company is headquartered in West Chester, Pennsylvania. Verilink Corporation operates as a subsidiary of Communications Test Design, Inc. VMX.