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Enterprise Networking Mikrotik Routers (RouterBoard & RouterOS), User and owner discussion group

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raymond82
post Feb 21 2019, 06:14 AM

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QUOTE(soonwai @ Feb 21 2019, 12:36 AM)
If possible, test again please. I'm planning to get the RB4011 but not if it can't route 800Mbps with Fasttrack off.
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Attached Image

800mbps is nth to this beast biggrin.gif
raymond82
post Apr 17 2019, 06:07 PM

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QUOTE(soonwai @ Apr 14 2019, 06:31 PM)
Yeah, you'll need a power source. The PoE injector can be anywhere along the cable. If the distance is quite far, you can put it somewhere in the middle.

You can calculate the voltage drop. Simplistically speaking, it's V=IR. What we learn in Sek Men. The R will depend on the quality, material, AWG and length of the conductor (the cable). Probably easier to do it experimentally. If you're using the same box of Cat6A for your house, just wire up a 10m length and test the resistance or voltage drop. That'll give you pretty good idea of what you can expect from your cables.

But for me, I just plugin 12V and see what comes out the other end. Not enough, plugin 24V. Most devices which accepts passive PoE (also known as fake PoE by another well informed forumer here) will be able to handle a range of voltages. Example: my Mikrotik AP accepts anything from 8-30V. UBNT is probably the same.

And then there's 802.3 af/at PoE. This one I never use before.
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power lost in the cable have to take into consideration
awg22 23 cable resistant is around 6Ohms/100meter

power=i^2*r

let said power consumption is 1.5a
power loss over 100 meter cable is 13.5watt(13.5watt juz wasted and convert to heat...not good ranting.gif )



v/r=9 volt drop over 100 meter


he need a 24v 2a power supply




raymond82
post Jun 8 2019, 10:32 PM

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Junior Member
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Joined: Jul 2015
QUOTE
JUN 12
MikroTik User Meeting in Malaysia
Public ยท Hosted by MikroTik

Free home access point for all registered MikroTik User Meeting in Malaysia participants!

Register today: https://ej.uz/MalaysiaMUM

๐Ÿ‘‰ Places are still available and admission is free. There is no minimum attendance requirement, it doesn't matter if you are an experienced MikroTik user or a novice.
guys, don't miss out the chance

raymond82
post Jun 9 2019, 12:59 PM

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Junior Member
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Joined: Jul 2015
QUOTE(celciuz @ Jun 8 2019, 11:32 PM)
I see one is free while the other is USD30 for license and meal? What's the license about?
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i think is L4 license, for pc device/virtual box
raymond82
post May 2 2020, 02:06 AM

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QUOTE(sjovie05 @ May 2 2020, 12:27 AM)
Anyone facing problem with wifi 5ghz disconnect randomly on phone? It just occur randomly while browsing internet, and then it disconnect for around 10 seconds, then the connection restored.

Model : Mikrotik Hap AC2
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try to enable debug logs for wireless

 

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