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EAP211 bridge does not work with POE switches

EAP211 bridge does not work with POE switches

EAP211 bridge does not work with POE switches
EAP211 bridge does not work with POE switches
2025-03-31 12:12:11 - last edited 2025-04-01 05:57:38
Tags: #Installation #Network Connectivity
Model: EAP211-Bridge KIT  
Hardware Version: V1
Firmware Version:

Hi,

I have bought an EAP211 bridge kit to get a more stable wireless connection between two buildings.

When using them with an POE inductor, they power up, LEDs are on, they show up in the omada software, the devices work. So far so good.

However, to not have a multitude of POE inductors, which are a total mess when you have multiple WLAN access points, I purchased POE switches. A managed switch tp-link SG2210MP on one side, and an unmanaged tp-link SG1005P POE switch on the other side. The EAP211 does not work on any of the POE switches. No LED, no signal, they just seem to be dead. (My environment is managed by an OC200.)

I can use any cable (I tested many). Does not change the situation. The devices work with the injector and all cables, and do not work directly connected to the POE switches, with any cable.

Does anyone have an idea? This situation is rather dissatisfying. 

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#1
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1 Accepted Solution
Re:EAP211 bridge does not work with POE switches-Solution
2025-04-01 05:57:31 - last edited 2025-04-01 05:57:38

Hi  @DHC_IT 

 

EAP211-bridge KIT doesn't support standard POE, it only supports passive POE. it's not compatible with SG2210MP or SG1005P,

If you are seeking an outdoor access point which can be powered on by the two mentioned switches, you can consider the following: but their wifi range is not as far as EAP bridge KIT.

EAP225-outdoor, EAP610-outdoor and EAP650-outdoor 

Wish you a happy life and smooth network usage!  >Get the Latest Omada SDN Controller Releases Here< >Experience the Latest Omada EAP Firmware<
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#4
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Re:EAP211 bridge does not work with POE switches
2025-03-31 12:49:22 - last edited 2025-03-31 12:58:01

The EAP seem to use 24V "passive PoE" and normal PoE is to my knowledge running on (optimum of course) 48V, realistic between like 37,42-57 (depending on the standard, PoE or PoE+, ++...), so I think that might be issue..

 

I think TP-Link did it on these models since they need a lot of power on one hand but on the other hand that high voltage generates a lot of heat when converted back to like 12 or 24V so that might be the reason why they did it, but if possible why not use a PoE dejector at the end that makes out of your PoE one Ethernet and 12V connector so you can use it normal.. I did that to make e.g. my Smart Home Laptop (just an old laptop with android x86) using PoE even if it does not support it.

 

That is like from the "Deutsche" Telekom their Speedport ISDN converter that only works with a speedport router, just to make it easy to use.. same is basically here, if it gets to warm it does not work well so they put down the voltage to generate less heat when using PoE, but that dejector should work at all, I have here 4 running..

Home: 1x ER7412-M2, 1x SG3428X-M2, 2x ES205GP, 1x EAP772 EU, 2x EAP653 EU, 1x 650 Desktop EU
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#2
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Re:EAP211 bridge does not work with POE switches
2025-03-31 13:27:33

  @Julian2111 

Interesting approach. Indeed, I have not seen this kind of workaround. Normally used to power non-poe devices. But you are right, this could also solve the incompatibility between two different poe voltages. 

 

However, as these EAP211 are outside, these adapters would need to be made waterproof. 

 

What I do not understand, all the products are coming from the tp-link universe (even only business products), not mixing vendors, and are still incompatible, if you are right. 

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#3
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Re:EAP211 bridge does not work with POE switches-Solution
2025-04-01 05:57:31 - last edited 2025-04-01 05:57:38

Hi  @DHC_IT 

 

EAP211-bridge KIT doesn't support standard POE, it only supports passive POE. it's not compatible with SG2210MP or SG1005P,

If you are seeking an outdoor access point which can be powered on by the two mentioned switches, you can consider the following: but their wifi range is not as far as EAP bridge KIT.

EAP225-outdoor, EAP610-outdoor and EAP650-outdoor 

Wish you a happy life and smooth network usage!  >Get the Latest Omada SDN Controller Releases Here< >Experience the Latest Omada EAP Firmware<
Recommended Solution
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#4
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Re:EAP211 bridge does not work with POE switches - Explanation (not solution)
2025-04-01 07:00:49

  @Vincent-TP 

Thanks Vincent, however this is not "solution" a customer likes to hear. From my point of view this is not really satisfactory. If a product is shown as new on the website, I assume that it also supports "new" features, like being integrable in existing PoE environments.

 

As PoE inductors kept stacking in my rack, what really was a mess, I connected all of my EAP245s, EAP615s and my EAP225 to the PoE Switches. So now, again, I have an inductor, which has no place in my rack, which is lying on top of it frown

 

However, thanks for the explanation. And please, communicate this back to your development teams, that such a "solution" is not satisfactory, and they should come up with products which are better integrable into their own product universe. 

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#5
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Re:EAP211 bridge does not work with POE switches
2025-05-08 14:58:11

DHC_IT wrote

However, as these EAP211 are outside, these adapters would need to be made waterproof. 

  @DHC_IT 

 

Install the adapters at the other end of the cable, i.e in the rack. Still an unneccessary addition but neater than standard injectors.

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#6
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Re:EAP211 bridge does not work with POE switches
2025-06-28 22:36:50

  @DHC_IT I'll post an Amazon link to a device that works great, it takes the 48v poe out of the switch and converts it to passive 24v.  I am replacing all my 24v passive injectors that are connected to poe switches with these.  Another great benefit to them is that you can remotely power cycle the port, which then power cycles the bridge device attached to it.  You just have to be aware of what they do and realize that if you plug something other than the device that requires 24v passive, you can damage something, ask me how I know, lol.

 

https://www.amazon.com/dp/B0CPP9CVWG?ref=fed_asin_title

 

I really wish TP Link would come out with their own version of this, Ubiquiti has one, but are (of course) twice the price of the ones listed above.

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#7
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