if ($station1) {
    echo "<a href='http://192.168.1.1:5800'>Station 1 active.</a>";
    echo "<br />";
        fclose($station1);
    } else {
        echo "Station 1 is inactive.";
    echo "<br />";
    }

Port 5801 -> 192.168.1.1
 Port 5802 -> 192.168.1.2
 Port 5803 -> 192.168.1.3
 etc.

<a href="123.123.123.123:5801">Station 1 active.</a>
<a href="123.123.123.123:5802">Station 2 active.</a>
<a href="123.123.123.123:5803">Station 3 active.</a>

<?php
if(substr($_SERVER['SERVER_ADDR'], -3)=="1.1"){$server=$_SERVER['SERVER_ADDR'];}else{$server='123.123.YOUR.WAN123.123'}
    $fp = fsockopen($server, 5800, $errno, $errstr);
    if (!$fp) {
        echo "ERROR: $errno - $errstr<br />n";
    } else {
        echo "<a href='http://'.$server.':5800'>Station 1 active.</a>";
        fclose($fp);
    }
    ?>