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

var params = {
  host: '127.0.0.1',
  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)`

`var params = {
        host: '127.0.0.1',
        port: 23,
        shellPrompt: '/ #',
        loginPrompt: 'Username: ',
        passwordPrompt: 'Password: ',
        username: 'vinit',
        password: 'vinit123',
        initialLFCR: true,
        timeout: 1500,
        // removeEcho: 4
}`