1. fixed lenses 5442 are smaller.. so bigger optics probably will not fit...
2. even if you fit z4e lens inside fixed lens chassis, fixed lens mainboard for 99% will not have output to power motor inside z4e..
3. also license / configuration file for that fixed lens version inside cam flash drive, will not have enabled motorized focal length / focus functions..
you must repair cables on z4e version..
if only ethernet plug have been destroyed or even cable is cut in half, it will be easy to put a new plug at the end using
crimper tool..