C7779-60144Module - Electronics module DSJ 500 series. Contains main logic board connectors for plug-in cards connector for parallel interface cable connector for USB cable and cooling fan
C7779-69144Module - Electronics module DSJ 500 series - Contains Main Logic board connectors for plug-in cards connector for parallel interface cable connector for USB cable and cooling fan
C7779-69263Module - Electronics module 500/800 series - Contains main logic board connectors for plug-in cards connector for parallel interface cable connector for USB cable and cooling fan