Hikvision DS-KD8003-IME1 video intercom to Nice Robus 600 gate motor help

[StefanP]

Hi guys, 

I was wondering how the diagram would look like if you have 2 Nice gate motor on the DS-KD8003.

I am trying to get two gates running 

Could somebody tell me how to set this up with only 1 COM port on de Hikvision.

Thanks in advance