Launcher Interface Unit (LIU) is an Intel’s EN87C196KC Micro Controller based ruggedized data acquisition system. The System acquires digital, analog data and the system has serial communication capabilities on both RS 422 and 1553B standards.
This System consists of one CPU card, Two I/O cards and one Power Supply card. CPU card consists of TN87C196KC Micro Controller operating at 16MHz, 32Kbytes of external EPROM/EEPROM, 16Kbytes of Static RAM, Five RS 422 serial I/O channels and one MIL-STD 1553B are interfaced with the Controller.

CPU card consists of 16 Digital Inputs, 14 Digital Outputs, 16 Channel Analog to Digital Converter system, 4 Channel Digital to Analog Converter system.
I/O cards are similar to each other. Each I/O card consists 40 Digital Inputs, 42 Digital Outputs, 16 Channel Analog to Digital Converter system, 4 Channel Digital to Analog Converter system.
Power supply module consists of two DC-DC Converters.