The VT864 is a 5U μTCA chassis that provides 10 AMC full size slots that can accept any AMC.1, AMC.2, AMC.3 and/or AMC.4. It provides FCLK, TCLKA, TCLKB, TCLKC and TCLKD to each slot with clock redundancy between the two MCH modules. The VT864 is capable of having redundant MCH, Power Modules, and Cooling Units for high availability. The CLK3 option can be configured for the Fabric clock, Telcom clock, or Fabric B. There is an option for Port 2 and 3 to be directly connected among the adjacent AMCs or to the fabric B (AMC.3 SATA/SAS switch option on the MCH). The VT864 has a Telco Alarm as well as Redundant FRU information devices and carrier locators.