6 PLM Series Operation Manual rev 1.1.3Table of Contents12.5.3.4 Signal degradation and loss ..................................................................................................9312.5.4. External signal distribution hardware ..........................................................................................9312.5.4.1 Distribution amplifiers............................................................................................................9312.5.4.2 Passive splitters ....................................................................................................................9412.5.5 Additional reference .....................................................................................................................9412.6 Digital Clock Configuration ..................................................................................................................9512.7 Firmware Upgrades .............................................................................................................................9612.7.1 Firmware upgrades using the update utility ..................................................................................9712.7.2 Firmware upgrades using the Lake Controller software .............................................................10012.8 Hot Swapping PLM devices .............................................................................................................. 10113. Technical Specifications....................................................................................................................... 10214. Warranty ................................................................................................................................................104