Sir mene hikvision k colour vision camera purchase kiye the.. prso.. setup kr diya sab . Same port me dusre bina Color camera to chal rhe h.. lekin colour vision wale camera nhi chal rhe h.. plz kuch tips bataiye .. 2 colour vision camera h dono nhi chal rhe h.. lekin 2 bina night vision wale camera same port me kaam kr rhe h.. kuch solution bataiye sir plzz