Thinking of buying 5009 But..

RouterOS General
1

Not sure on Power Supply needed to feed both Hap ax2 and Cap ax over PoE or weather to just get the none PoE device, so here is my thought process.


Thoughts on buying this RB5009UPr+S+IN or this RB5009UG+S+IN and using Injectors supplied.

“All power options support a wide voltage range of 24 – 57 V. However, you can not mix the voltages. If you’re using PoE-out to power other devices, the board will choose the source with the highest voltage”

RB5009UPr+S

Powering
Details
Number of DC inputs 3 (PoE-IN, 2-pin terminal, DC jack)
DC jack input Voltage 24-57 V
2-pin terminal input Voltage 24-57 V
Max power consumption 150 W
Max power consumption without attachments 15 W
Cooling type Passive
PoE in 802.3af/at (ether1), Mode B (ether2-ether8)
PoE in input Voltage 24-57 V


Power Supply
48V2A96W 48 V 2 A 96 W power supply

Cap ax

Powering
Details
Number of DC inputs 2 (DC jack, PoE-IN)
DC jack input Voltage 18-57 V
Max power consumption 28.2 W
Max power consumption without attachments 9 W
Cooling type Passive
PoE in 802.3af/at
PoE in input Voltage 18-57 V

Hap ax

Powering
Details
Number of DC inputs 2 (DC jack, PoE-IN)
DC jack input Voltage 12-28 V
Max power consumption 27 W
Max power consumption without attachments 12 W
Cooling type Passive
PoE in Passive PoE
PoE in input Voltage 18-28 V


So what Power Supply do I need to use POE out to both the above devices 240V AC-28V DC 150w power supply?

“The CAT6 can transmit current (depending on the distance) from 1.2 amps to 2.2 amps”
10mtr Max for my use case, so Min V 28 A 1.2 W 33.6 Max V 28 A 2.2 W 61.6
I assume Input=Output for supplied Voltage to the 5009, but i could be wrong.

2

You can not use RB5009PR for powering those devices reliably.

cAP AX and hAP AX2 have different (but slightly overlapping) powering requirements.
cAP = 802.3af/at, AX2 = passive POE

But …
cAP AX can go up to 28W. Something RB5009 can not deliver on a single port (max 420mA @ 48V = 20.16 W, disregarding any intermediate losses)
hAP AX2 can go up to 27W. Same problem there.

It may work initially but once you start pushing those devices to their limits (heavy downloads, lots of traffic from connected clients), they will draw too much current and will be shut down by RB5009.

So save your money, get the non-POE version and use power injector which is supplied with cAP AX and power brick which is supplied on AX2 for powering that one.
If you really want POE towards AX2, get another RBGPOE and use power brick from AX2 to power it.

My view.

3

In all honety I wasn’t looking at the PoE outputs because I’ve only ever used Injectors.
That would mean about 1Amp each at 28V so yeah no go, It wouldn’t be a problem but my Hap ax2 has a faulty power socket which I am now going to have to change, I do have the sockets I just need to install it. So I guess it’s the none PoE one then.

Bought these..
plug_805-1696 .jpg

4

What is the main use case for the PoE version then cameras?

5

Looking over this again, the power requirements are without attachments which I never intend to use.
So the Question again is if I feed 28V to the 5009 will it output 28V to the following items or just not work?

Cap ax Power requirement
Max power consumption without attachments 12 W

Hap ax2 Power requirement
Max power consumption without attachments 9 W