test.js

var net       = require('net');
var inbound   = net.createServer();
var outbound  = null;

setTimeout(function() {
  console.log('starting to listen on :8192');
  inbound.listen(8192, function () {
    address = inbound.address();
    console.log('Server started on %j', address);
  });
  inbound.on('connection', function(insock) {
    console.log('inbound got a connection!');
  });
}, 2000);

var interval = setInterval(function() {
  console.log('lets check if port 8192 is open...');
  outbound = net.connect({ port: 8192 });
  outbound.on('error', function(err) {
    console.log('...received an error', err.code);
  });
  outbound.on('connect', function() {
    console.log('...outbound got a connection!');
    clearInterval(interval);
  });
}, 500);