Not able to login into Server using Login Keyword in SSH Library Robot Framework.Getting "timeout: timed out"

Question

I struck in one problem while using SSH Library in robot framework. While Using Login Keyword from SShlibrary. I am getting below error:

KEYWORD SSHLibrary . Login ${USERNAME}, ${PASSWORD}, delay = 120 Documentation: Logs into the SSH server with the given username and password.

Start / End / Elapsed: 20220922 23:57:29.686 / 20220922 23:57:32.703 / 00:00:03.017 23:57:29.686 INFO Logging into '81.45.90.22:22' as 'xxxxxx'. **

23:57:32.697 FAIL timeout: timed out

** 23:57:32.703 INFO ${Display} = False

My Questions are as of below:

1. How to login into Server without getting timed out error every time using SSH library ?
2. Why I am getting timed out in this case ?
3. How to give fiewall server as an argument in Login Method ?

Please find below code:

login
...     ${USERNAME}
...     ${PASSWORD}
...    delay = 120