is POE++ a reliable option?

CaptainCrunch

CaptainCrunch

Getting comfortable
Feb 13, 2023
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Texas
I want to add 3-4 cameras in a new location. However, I'd prefer to not run 3-4 new lines to that area. I can add a 90w poe++ injector, run 1 line, then hook the cameras up to a PoE Passthrough Switch like the one linked to below. Is that a reliable option?

 
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Definitely. The specs say that unit can supply up to 30w per port and a max total of all ports of 64w.

It's outdoor-rated also in those same specs but I'd still mount it out of direct weather if at all possible and use dielectric grease on the ports.
 
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I knew on paper it would work. I just didn’t know if people’s real world experience has been different. I had seen the 1 to 2 splitters that fit inside the junction boxes mentioned on here before but I don’t recall seeing something like this mentioned as a solution.
 
CaptainCrunch said:
I knew on paper it would work. I just didn’t know if people’s real world experience has been different. I had seen the 1 to 2 splitters that fit inside the junction boxes mentioned on here before but I don’t recall seeing something like this mentioned as a solution.
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I've used this el cheapo on 2 cams with 1 POE cable for going on 2 years now:

TonyR

Post in thread 'Using ethernet splitter for two cameras'

teaser7 said:
Would be great if you can report back and let us know. The “Waterproof” casing got my interest.
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OK, I received the Sodola POE Extender on Friday, 6/2 and got it installed Monday 6/5. So far so good but as we all know, time will tell after a few months of 'Bama summer heat, humidity, rain and likely some thunderstorms (hopefully not severe).

It's powering a Loryta IPC-T5442TM-AS (from Andy) and an Amcrest IP5M-T1179EW-28MM (from Amazon). Both cams are rated <7.2 Watts. Below are a few self-explanatory photos. The entire top is solid to...
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Does anyone have something like this in use on their Poe Nvr? Three cameras in and one cable out. Then 1 cable in and three cables into cameras. Should work like this, right? Each camera should then have its own port.
 

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Chokolinho said:
Does anyone have something like this in use on their Poe Nvr? Three cameras in and one cable out. Then 1 cable in and three cables into cameras. Should work like this, right? Each camera should then have its own port.
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There are 3 issues I think.
1. The NVR might not be able to provide enough power for 3 cameras via one port.
2. The NVR software may not support multiple cameras data coming in one port.
3. The splitter you pictured above doesn't mention PoE on it.
 
bp2008 said:
There are 3 issues I think.
1. The NVR might not be able to provide enough power for 3 cameras via one port.
2. The NVR software may not support multiple cameras data coming in one port.
3. The splitter you pictured above doesn't mention PoE on it.
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I currently only use a Lan splitter with two cameras. It works without any problems. I'm not sure about three. But shouldn't there be enough of each port?
 

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Chokolinho said:
Does anyone have something like this in use on their Poe Nvr? Three cameras in and one cable out. Then 1 cable in and three cables into cameras.
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It would help if you had included a link so we could find some tech info on this device. From matching the picture:

This is a 3 port ethernet switch that needs to be powered. It is not a POE device. Yes, you can use it with an NVR by plugging its "1" network cable into a switch that the NVR's network port is also connected to. You cannot use the NVR's POE ports with this if more than one camera is connected to it. You will also have to supply power to each camera.

There are POE powered switches that will accomplish what I think you want to do (but not using the NVR's POE ports). This is not one of them.
 
tigerwillow1 said:
It would help if you had included a link so we could find some tech info on this device. From matching the picture:

This is a 3 port ethernet switch that needs to be powered. It is not a POE device. Yes, you can use it with an NVR by plugging its "1" network cable into a switch that the NVR's network port is also connected to. You cannot use the NVR's POE ports with this if more than one camera is connected to it. You will also have to supply power to each camera.

There are POE powered switches that will accomplish what I think you want to do (but not using the NVR's POE ports). This is not one of them.
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I will use port 5,6,7 from the Nvr and then into the 3 ports with short Lan cables. Then with a long one into the single one to the position where I want to mount all three. Then I need another Lan splitter and will do the same again. It should actually work like this without any problems.
 
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Just an FYI but using similar setups Ive not been able to make two cameras appear using a splitter and one wire back into an NVR PoE port..

Both instances I have I ended up connecting the return line from the two cameras to an external switch and assigning each a unique IP on the LAN
 
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bigredfish said:
Just an FYI but using similar setups Ive not been able to make two cameras appear using a splitter and one wire back into an NVR PoE port..

Both instances I have I ended up connecting the return line from the two cameras to an external switch and assigning each a unique IP on the LAN
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3 short wires in the poe ports.
 

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Good on you. Must be a newer NVR?. I wasnt able to make that work on the older 5216-16P-4KS2E
 
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