Serial powering and signal integrity characterisation for the TEPX detector for the Phase-2 CMS Inner Tracker

<!--HTML-->The entire CMS silicon pixel detector will be replaced to operate at High Luminosity LHC. The novel scheme of serial powering will be deployed to power the pixel modules and new technologies will be used for a high bandwidth readout system. In this contribution the new TEPX detector will be presented, with particular focus on a novel concept to provide both power and data connectivity to the modules through a disk-shaped PCB. As TEPX also features the longest serial powering chains in IT, an emphasis on serial powering results will be shown, together with signal integrity and data transmission performance.