Summary of cable assemblies tested Cable / connector type LSZH cots electrical density modularity properties cat 5+ / RJ45 (1)     4 cat 5+ / Berg 3*5pin     4 pinout * Gore 2mm PCI type 1*5pin      2 tyco (AMP) 2mm PCI 2*5pin (2) (3)  (4)   4 electrical properties: 20m + long strip lines required, active pre-compensation used density: cable connectors to be spread over full backplane height, minimum contact loss modularity: # channels / connector. (need to map PPMs to JEMs and CPMs w/o splitting cables) (1) cable types tested: AMP, Dätwyler, Kerpen (2) „jacket halogen free“ . (3) a standard length is 10m (4) 15m + 6m Gore >> cost ? confirm AMP properties. * find a common pinout for HD,UK,MZ ends