LTE modem Not recognized by RouterBoard

Hardware
1

I have brand new LTE modem and RouterBoard

LTE modem is R11eL-EC200AEU and is not recognized by RouterBoard RB912UAG- 5HPnD. I have installed modem into RouterBoard slot, attach Mobile and WiFI antenas, insert SIM card and plug power cable in.

After first start I have upgraded routeros to 7.20.4 and after restart, upgrade also Roterboard. Then I add extra package tor LTE, but modem is not showing into Interface list.

Any Idea ?

2

How about Power ?

3

Have you done reset to factory conditions after putting all SW to latest versions ?
Sometimes startup script doesn't recognize device when everything is not at the correct version.

Is something shown in log ?

Other things to try:

  • reset USB (System - Routerboard - USB Power Reset, use 10s or so)
    Sometimes the system starts up a bit too fast for the device to be recognized.
    If this is the case, you definitely should make a support ticket for it.

  • manually add LTE interface (I've already had to do that after accidentally removing it)
    Again: if this helps, create support ticket so they can check why it is not being populated from the beginning.

4

Thank you for answers.

@patrikg

RB912UAG- 5HPnD is integrated into cabinet that has 24V @10A power supply.

@holvoetn

Nothing in LOG-s about LTE, probably while LTE modem is not recognized.

I can’t manualy add it because is not on the list - probably while not recognized.

Reset USB, Reset to factory conditions … I will try this …

5

First try USB reset. Then see if it shows when you add it manually.

6

I had a fantastic idea: Read the documentation provided!!!

Put the device in miniPCIe mode.
On default is USB mode...

/system routerboard usb set type=mini-PCIe

7

Done, but nothing changes, LTE is still not visible.

Thank you for your help.

8

Try delay…

/system routerboard settings set init-delay=7s

9

In fact, the available documentation (link on previous post) also includes the 5s delay on "mPCIe modems with RB9xx series devices"

/system routerboard settings set init-delay=5s
10

Today I get new LTE card, put into Routerboard and works. Looks like LTE card was faulty.

Thank you for helping me with useful ideas.