Passive 24v and POE+

[DaveAP5]

Does anyone know of any portable POE injectors or switches that will do both 24v passive and POE+?

I am looking for something I can use to troubleshoot both camera issues and the dahua IP intercom models that use passive 24

 

[tangent]

There's no standardization when it comes to passive PoE. Different mfgs could choose to use the wires in the cable differently. Your best option is to use the dahua passive switch for their intercom products. A few of the newer intercom products do use 802.3af

No guarantees you won't destroy something, but Ubiquiti does make some products that support both 802.3af/at and Ubiquit's 24V passive PoE.

 

[DaveAP5]

Thanks, guess i will stick with a POE injector and vtns1060.

 

[pozzello]

If you know which wires are involved you can make any sort of test injector using an adapter like this:
https://www.amazon.com/gp/product/B07K6ZVJY2/
and as tangent points out, they vary, so you'd better be sure about wires, voltage and polarity!
(oh, and if you try these, be aware that the pins don't match linearly from front to back as you'd expect for some dumb reason. use a multimeter to verify!)

 

[bob2701]

Ubiquiti's 2 small switches do not support 24v passive, you need at least the US8-150 for this.