System alarm contact commands

config
    - system
        - alarm-contact-in-power {on|off}
        - alarm-contact-input alarm-contact-input-id
            - [no] alarm-output-severity [critical | major | minor | none] 
            - [no] clear-alarm-msg {alarm-msg-txt}
            - description description-string
            - normal-state [open | closed]
            - [no] shutdown
            - [no] trigger-alarm-msg {alarm-msg-txt}