The Cisco 6015-IP DSL switch is a 6-slot, multi-port line card architecture capable of industry standard asymmetric DSL and single pair high bit rate DSL technologies. The 6015-IP DSL is supports NEBS, ANSI, ETSI, and ATM network element standards. The Cisco 6015-IP DSL supports simultaneous voice and data services. Frontier offers used and refurbished Cisco 6015-IP DSLs. Call Frontier today or request a quote. 866-226-6344