The chassis provides a convenient platform for testing scenarios where portability or small size is a factor. Two different card types can be configured simultaneously allowing for test scenarios that use a combination of port types. The N2X Chassis is a component of the Agilent N2X solution. Test cards, system controller PC, and system software are required to form a complete N2X system. Support for SONET/SDH, POS, ATM, Ethernet, Frame Relay, Fibre Channel and E2960 family PCI Express interfaces.