Talking to RouterBoard via Serial Console won't work

Hardware MikroTik hardware general
1

My RouterBoard 433 will boot beep once, then later beep twice in a higher pitch, I have no ethernet access.

I used HyperTerminal and a correct Null-Modem Serial cable, I connect with 9600 bits per second; 8 data bits; no parity, 1 stop bit and hardware flow control.

My problem is, I receive nothing but random text characters when I boot up the RouterBoard.

Does the RouterBoard require a certain Emulation setting?

How would I go about fixing this problem, I need to reinstall the RouterOS but can not access the BIOS on the RouterBoard.

2

Some of your connection settings are wrong.
Take a look at the Quick Setup guide here. http://www.routerboard.com/pdf/rb433mA.pdf

-Louis

3

default baud rate for 400 series is 115200 bps not 9600

4

Many folks who are trying to connect to a serial terminal / console session may be trying to re-establish administrative control after making a mistake in their firewall rules. This happened to me a few days ago, and I struggled and struggled to get the serial cable/session going. For everyone in that boat, there is an easier answer:

  1. Download and unzip “Neighbour viewer for Windows” free from the Mikrotik web site.
  2. Install it on a PC local to the router (not behind another router).
  3. Get it to ‘discover’ your router, then press the button to initiate a terminal session (using its own built-in terminal that connects by MAC address, not by IP)
  4. Log-in to the terminal session like you would any other SSH session. Fix your firewall so that you can again connect by your method of choice.

No serial cable required.

5

easier would be to use winbox to detect neigbours and click on mac address to connect to router, that will use mac-winbox.

6

@janisk A cold one to you pal! You just saved my router, I was prepared to take this thing apart and hardreset it via terminal short. :laughing: