Old door station work with new upgraded indoor monitor
IX850 or IX610 + IX471S
everything can work well, except the below points:
image resolution, if with old door station, the resolution will be 480P as before.
divert only can happen in door station, if door station without network, indoor monitor cannot act divert function even it is new model.
New door station work with mixed indoor monitor
IX850S or IX610S + IX471 and IX471S
everything can work well, except the image resolution point:
( New door station will adjust the resolution according to work with different monitor)
in Calling mode
if IX471S and IX471 both ringed by the same call, the image of the IX471S will 480P as IX471(old version)
if the indoor monitor is called alone/separately, IX471S will show 720P, IX471 will show 480P
in Monitor mode
if IX471S monitor the door station when the IX471 is monitoring, the image will 480P
but if IX471S is monitoring alone without IX471 in, the image will be 720P