var Telnet = require('telnet-client')
var connection = new Telnet()

var params = {
  host: '192.168.1.79',
  port: 23,
  shellPrompt: '/ # ',
  timeout: 1500,
  // removeEcho: 4
}

connection.on('ready', function(prompt) {
  connection.exec(cmd, function(err, response) {
    console.log(response)
  })
})

connection.on('timeout', function() {
  console.log('socket timeout!')
  connection.end()
})

connection.on('close', function() {
  console.log('connection closed')
})

connection.connect(params)