RB750GL RB912UAG-5HPnD Gigabit connection problem

Hardware MikroTik hardware general
1

Hello guys,

I have one RB750GL and one RB912UAG-5HPnD here. I connected them with 1 meter long FTP cable using MikroTik Gigabit POE. I can’t establish 1GBps link. It always end up connected 100MBit full duplex.
I’m using latest RouterOS v6.10, configuration is blank.
I tried to disable auto negotiation on RB750GL, and set it to 1GBps full duplex, in this configuration there is no link.
I tried to disable auto negotiation on RB912UAG-5HPnD, and set it to 1GBps full duplex. No link either.

Am I doing something wrong?

The idea is to make more than 100MBps uplink using this set of RBs.

2

The RB912UAG-5HPnD must be powered exactly with this PoE model

or by Power Jack
to go at 1000!

What method to power the RB you use?

3

yeah, thats the POE I’m using.

4

Try the cable used between 2 ethernet on RB750 and see if are connecting @1000,
Try to connect directly from PoE [data only] exit to any ether on RB750 (try more than one ether)
if ok, check the cable from PoE to the RB912

5

Now I realized I had several faulty POE injectors, I’ve found a good one which works.