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I have an NVR5208-8p-4ks2e and just got the alarm box arb1606. I've updated to the 20210709 firmware and connected the RS485 cable a to a , b to b, gnd to gnd. Still haven't got the NVR to recognize the alarm box. I've restarted the NVR and alarm box, the alarm box blinks once green then only...

So I've got my system with Dahua NVR and multiple Dahua POE cameras working pretty well but I still am trying to be able to enable and disable having an IVS rule trigger an alarm or an email via the http API. I've searched a number of the latest Dahua http API documents and still can't find an...

My Dahua NVR5208-8p-4k2se natively connected my older IP2m Amcrest with the “private” protocol but the NVR doesn’t see new IP4M I just bought. Any ideas how to connect it?

I'm having trouble adding wireless cameras to my NVR5208 NVR. I already have several POE cameras up and working on 10.1.1 subnet but I want to add several wireless cameras on the 192.168.1 subnet. Yes I've read the Cliff notes and the "NVR & POE Switch thread" and the "***PSA for those with a...