Elevator Cameras - Is Analog Still Preferred?

I am curious if most people are still recommending analog cameras with encoders as the standard for elevator applications. I have been moving towards the use if small 720p vandal-resistant domes like the Axis M3114-VE No Cap option used in conjunction with NVT PoE T-Bus coax to ethernet converters. What are other people doing and have they had any negative experiences installing IP cameras in elevator cabs. Could they IP converter located in or on top of the cab lead to more service calls than a typical plug-in transformer?

[IPVM NOTE: Related: Elevator Surveillance Tutorial, Elevator/Lift Camera, Issues In Installing Elevator Cameras?]

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