'Writes the given control character into the connection.
The control character is prepended with an IAC (interpret as command)
character.
The following control character names are supported: BRK, IP, AO, AYT,
EC, EL, NOP. Additionally, you can use arbitrary numbers to send any
control character.
Example:
| Write Control Character | BRK | # Send Break command |
| Write Control Character | 241 | # Send No operation command |'

def write_control_character(self, character):

    self._verify_connection()
    self.sock.sendall((telnetlib.IAC + self._get_control_character(character)))
