The Cisco 6160 is a 32-slot, multi-port line-card architecture capable of supporting industry standard technologies. The product is fully compliant to relevant network equipment building standard (NEBS), ANSI, and ATM carrier-class network element standards. Network transmission connections include ATM DS3, OC3 single mode, and OC3 multimode. Up to 256 ports per chassis can be provisioned with ADSL (discrete multi-tone [DMT]) and SDSL. A variety of configuration and cabling options are available to support a mix of ADSL and SDSL services within a common chassis..