I see, here it is, reason why it does not work
#HEX S RB760iGS → console mode…?
[http://forum.mikrotik.com/t/hex-s-rb760igs-console-mode/131826/8]
RouterOS 6.47 release notes: *) port - removed serial console port on hEX S
#v6.47 [stable] is released!
[http://forum.mikrotik.com/t/v6-47-stable-is-released/140100/1]
I have locked myself out of firewall, messing around firewall rules …
And I do not have backup either