New to PoE : Issues with getting TP-Link SF1006P and Teltonika RUT950 to work together

Hi there,
I am having issues to get my TPLink injector to work :
- it powers on, but it cannot power any of my two Teltonika RUT950, nor will it power on a basic POE IP cam ...
- Teltonika's support also tells me that their RUT950 need to be powered through "passive POE" : does the router need to be setup to operate in passive mode ?
Any help to troubleshoot and get these to work together would be appreciated.
Best regards,
Benoît
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Hi @Aigoual,
I don't think any of the TP Link switches support passive POE.
Three options...
1. Use a non-TP Link switch that supports passive POE
2. Use passive POE injectors
3. If the device can be powered without POE, use an active POE splitter with compatible voltage and physical adapter/wiring
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Hi @Aigoual
Thanks for posting in our business forum.
Aigoual wrote
@D-C Thank you for your reply. I will contact again Teltonika, as - if I understand https://www.tp-link.com/fr/support/faq/2521/this page properly - it should be possible to use an active PoE injector on a device requiring passive PoE, but not the other way around.
I am also concerned about the TPLink injector, as it does not power any (of the few) PoE device I have to test it ...
I will keep you updated. Thanks !
No. If you are looking at our EAP, some support both power supply modes. The PoE injector we offer in the packages is passive PoE. But these EAPs can work with the standard PoE. Most of them.
Only the low-end models support passive.
No Omada or TP-Link switches are passive PoE. There are some rare models marked as reverse power, but they are not standard SG1234P models.
PoE, 802.3 model numbers are as POE150S, POE160S, and POE170S.
Are you sure you have the right models?
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Hi @Aigoual,
I don't think any of the TP Link switches support passive POE.
Three options...
1. Use a non-TP Link switch that supports passive POE
2. Use passive POE injectors
3. If the device can be powered without POE, use an active POE splitter with compatible voltage and physical adapter/wiring
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@D-C Thank you for your reply. I will contact again Teltonika, as - if I understand https://www.tp-link.com/fr/support/faq/2521/this page properly - it should be possible to use an active PoE injector on a device requiring passive PoE, but not the other way around.
I am also concerned about the TPLink injector, as it does not power any (of the few) PoE device I have to test it ...
I will keep you updated. Thanks !
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@D-C There is at least one small passive TPLink injector, but the problem is that it provides 9V, which makes me doubt it will function over a 50m distance, or concerns me about heat loses over the ethernet line ... Power consumption is also an issue as this is a remote location where power needs to be litterally carried high up in the form of batteries (hence my attempt to power through PoE ...)
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Hi @Aigoual
Thanks for posting in our business forum.
Aigoual wrote
@D-C Thank you for your reply. I will contact again Teltonika, as - if I understand https://www.tp-link.com/fr/support/faq/2521/this page properly - it should be possible to use an active PoE injector on a device requiring passive PoE, but not the other way around.
I am also concerned about the TPLink injector, as it does not power any (of the few) PoE device I have to test it ...
I will keep you updated. Thanks !
No. If you are looking at our EAP, some support both power supply modes. The PoE injector we offer in the packages is passive PoE. But these EAPs can work with the standard PoE. Most of them.
Only the low-end models support passive.
No Omada or TP-Link switches are passive PoE. There are some rare models marked as reverse power, but they are not standard SG1234P models.
PoE, 802.3 model numbers are as POE150S, POE160S, and POE170S.
Are you sure you have the right models?
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Hi @Aigoual
Thanks for posting in our business forum.
Aigoual wrote
@D-C There is at least one small passive TPLink injector, but the problem is that it provides 9V, which makes me doubt it will function over a 50m distance, or concerns me about heat loses over the ethernet line ... Power consumption is also an issue as this is a remote location where power needs to be litterally carried high up in the form of batteries (hence my attempt to power through PoE ...)
This has summarized basically all the questions about the PoE.
It's never a problem with the PoE units, instead of your cable when it comes to the long range. I don't repeat it here. You could use a reading on that about the distance thing.
BTW, standard PoE is not 9V output. 48V is the PoE standard.
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