Dual QDR & RIB LRU contains one 4 slot VME-VPX hybrid backplane with standard 6U ART conduction cooled LRU and one power supply module for generation of supplies for the plug in cards. VME-VPX based hybrid backplane has the provision for two no’s of Quad Digital Receivers and one RIB Board. QDRx and RIB Board will communicate through VME-VPX hybrid backplane. VME-VPX hybrid backplane has an optional Fiber Optic (SFP) provision. The data transfer between the boards and the external receivers which are outside the chassis is carried out through the front panel Board which is designed based on VPX standard and consists of Circular connectors.