The Cisco 10000 Series 8-port unchannelized E3/T3 module is a full-height line card that supports maximum flexibility and can be used in any Cisco 10000 Series interface card slot. All cards are hot-swappable. The ports are software-configurable to support either E3 or DS3 on a per-port basis. Furthermore, a mixture of E3 and DS3 traffic can be supported on the same line card. The eight-port unchannelized E3/T3 line card may be used in a variety of customer applications. It is ideal for providing direct customer IP access or network-to-network connections where copper E3 or DS3 is the only service to a remote POP. The line card supports Frame Relay, HDLC and PPP; thereby offering three different layer-2 encapsulations of IP packets.