diff --git a/CHANGED b/CHANGED
index 5f3d01db2..9bb91713a 100644
--- a/CHANGED
+++ b/CHANGED
@@ -1,5 +1,6 @@
 # Add changes at the top of the list. Keep it in ASCII, and 80-char wide.
 # Do not insert empty lines here, update check depends on it.
+ - feature: 44_TEK603: ser2net support
  - feature: 73_AutoShuttersControl: add new Dev TYPE in %posSetCmds,
                    remove old commandref text
  - bugfix:  73_AutoShuttersControl: fix bug in getShuttersPosCmdValueNegate
diff --git a/FHEM/44_TEK603.pm b/FHEM/44_TEK603.pm
index 40a8adbd0..3962d63e3 100644
--- a/FHEM/44_TEK603.pm
+++ b/FHEM/44_TEK603.pm
@@ -65,7 +65,7 @@ sub TEK603_define($$) {
 	my $msg = '';
 
 	if( @a != 3) {
-		$msg = 'wrong syntax: define <name> TEK603 {none | devicename}';
+		$msg = 'wrong syntax: define <name> TEK603 {none | devicename | hostname:port}';
 		Log3 $name, 3, $msg;
 		return $msg;
 	}
@@ -92,21 +92,25 @@ sub TEK603_doInit($) {
 	my $dev = $hash->{DeviceName};
 	my $name = $hash->{NAME};
 
-	# Parameter 115200, 8, 1, even, none
-	$po->reset_error();
-	$po->baudrate(115200);
-	$po->databits(8);
-	$po->stopbits(1);
-	$po->parity('none');
-	$po->handshake('none');
-	$po->dtr_active(1);
-	$po->rts_active(1);
+	# Wenn / enthalten ist ist es kein ser2net-Device, daher initialisieren
+	if ($dev =~ m/\//)
+	{
+		# Parameter 115200, 8, 1, even, none
+		$po->reset_error();
+		$po->baudrate(115200);
+		$po->databits(8);
+		$po->stopbits(1);
+		$po->parity('none');
+		$po->handshake('none');
+		$po->dtr_active(1);
+		$po->rts_active(1);
 
-	if (!$po->write_settings) {
-		undef $po;
-		$hash->{STATE} = $name . 'Error on write serial line settings on device ' . $dev;
-		Log3 $name, 3, $hash->{STATE};
-		return $hash->{STATE} . "\n";
+		if (!$po->write_settings) {
+			undef $po;
+			$hash->{STATE} = $name . 'Error on write serial line settings on device ' . $dev;
+			Log3 $name, 3, $hash->{STATE};
+			return $hash->{STATE} . "\n";
+		}
 	}
 
 	Log3 $name, 3, "connected to device $dev";
@@ -243,6 +247,17 @@ sub TEK603_reconnect($) {
     <ul>
       <code>define OelTank TEK603 /dev/ttyUSB0</code><br />
     </ul>
+    <br />
+    <br />
+    <code>define &lt;name&gt; TEK603 hostnameorip:port</code><br />
+    <br />
+
+    Defines an TEK603 Eco Monitor device via ethernet on a remote host running ser2net.<br /><br />
+
+    Examples:
+    <ul>
+      <code>define OelTank TEK603 somehost:23000</code><br />
+    </ul>
   </ul><br />
 
   <a name="TEK603_Readings"></a>