OPPO control over IP

[Thinklight]

Hi control is working but I am get respond with timeout. why?
Command function:

Code:

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function tcp_oppo(data, ip, port)  local sock = require('socket').tcp()  sock:settimeout(3)  local res, err = sock:connect(ip, port or 23)    if res then    res, err = sock:send('#' .. data .. '\r')    if res then      res, err = sock:receive('*a')    else      alert('send failed: ' .. tostring(err))      end  else    alert('connect failed: ' .. tostring(err))  end  sock:close()  return res, err end

Event:

Code:

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ip = '192.168.11.105' if (event.getvalue() == true) then  res, err = tcp_oppo('POW', ip) end log (res, err)

Manual