diff --git a/CHANGED b/CHANGED
index 82775917c..8d374af63 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.
+  - bugfix:  37_SHC: go back to last release version v0.9.0 (rr2000)
   - change:  SYSMON: prevent some warnings
   - bugfix:  SYSMON: ethernet readings on bbb (thx to nesges)
   - changed: 37_SHC: now add all files for the previous commit (rr2000)
diff --git a/FHEM/37_SHC.pm b/FHEM/37_SHC.pm
index 55fb95c1f..7d6678a29 100644
--- a/FHEM/37_SHC.pm
+++ b/FHEM/37_SHC.pm
@@ -2,7 +2,6 @@
 # This file is part of the smarthomatic module for FHEM.
 #
 # Copyright (c) 2014 Stefan Baumann
-#               2015 Uwe Freese
 #
 # You can find smarthomatic at www.smarthomatic.org.
 # You can find FHEM at www.fhem.de.
@@ -27,7 +26,6 @@ package main;
 use strict;
 use warnings;
 use Time::HiRes qw(gettimeofday);
-use Digest::CRC qw(crc32); # linux packet libdigest-crc-perl
 
 sub SHC_Parse($$$$);
 sub SHC_Read($);
@@ -39,7 +37,7 @@ sub SHC_SimpleWrite(@);
 my $clientsSHC = ":SHCdev:BASE:xxx:";
 
 my %matchListSHC = (
-  "1:SHCdev" => "^PKT:SID=([1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-3][0-9][0-9][0-9]|40[0-8][0-9]|409[0-6]);",    #1-4096
+  "1:SHCdev" => "^Packet Data: SenderID=[1-9]|0[1-9]|[1-9][0-9]|[0-9][0-9][0-9]|[0-3][0-9][0-9][0-9]|40[0-8][0-9]|409[0-6]",    #1-4096 with leading zeros
   "2:xxx"     => "^\\S+\\s+22",
   "3:xxx"     => "^\\S+\\s+11",
   "4:xxx"     => "^\\S+\\s+9 ",
@@ -271,15 +269,11 @@ sub SHC_Parse($$$$)
 
   next if (!$dmsg || length($dmsg) < 1);    # Bogus messages
 
-  if ($dmsg =~ m/^PKT:SID=0;/) { # "echo" from message sent by FHEM itself
-  	return;
-  }
-  	
-  if ($dmsg !~ m/^PKT:SID=/) {
+  if ($dmsg !~ m/^Packet Data: SenderID=/) {
 
     # Messages just to dipose
-    if ( $dmsg =~ m/^\*\*\* Enter data/
-      || $dmsg =~ m/^\*\*\* 0x/)
+    if ( $dmsg =~ m/^\*\*\* Enter AES key nr/
+      || $dmsg =~ m/^\*\*\* Received character/)
     {
       return;
     }
@@ -300,34 +294,17 @@ sub SHC_Parse($$$$)
     # -Verbosity level 4
     if ( $dmsg =~ m/^Request added to queue/
       || $dmsg =~ m/^Request Buffer/
-      || $dmsg =~ m/^Request Queue/)
+      || $dmsg =~ m/^Request (q|Q)ueue/)
     {
       Log3 $name, 4, "$name: $dmsg";
       return;
     }
-	
-    # -Verbosity level 1
-    if ( $dmsg =~ m/^CRC Error/ )
-    {
-      Log3 $name, 1, "$name: $dmsg";
-      return;
-    }
 
     # Anything else in verbosity level 3
     Log3 $name, 3, "$name: $dmsg";
     return;
   }
 
-  # check CRC of "PKT:..." message and ignore message if necessary
-  my $crc = crc32(substr($dmsg, 4, length($dmsg) - 12));
-  $crc = sprintf("%08x", $crc);
-  
-  if ($crc ne substr($dmsg, length($dmsg) - 8))
-  {
-	Log3 $name, 1, "$name: CRC Error (" . $crc . ") $dmsg";
-	return;
-  }
-  
   $hash->{"${name}_MSGCNT"}++;
   $hash->{"${name}_TIME"} = TimeNow();
   $hash->{RAWMSG} = $rmsg;
diff --git a/FHEM/37_SHCdev.pm b/FHEM/37_SHCdev.pm
index d4f6d4e00..5b95b6ed4 100644
--- a/FHEM/37_SHCdev.pm
+++ b/FHEM/37_SHCdev.pm
@@ -1,8 +1,7 @@
 ##########################################################################
 # This file is part of the smarthomatic module for FHEM.
 #
-# Copyright (c) 2014 Stefan Baumann
-#               2014..2015 Uwe Freese
+# Copyright (c) 2014 Stefan Baumann, Uwe Freese
 #
 # You can find smarthomatic at www.smarthomatic.org.
 # You can find FHEM at www.fhem.de.
@@ -64,10 +63,7 @@ my %dev_state_format = (
     "port",                "Port: ",
     "ains",                "Ain: "
   ],
-  "RGBDimmer"           => [
-    "color",               "Color: ",
-    "brightness",          "Brightness: "
-  ],
+  "RGBDimmer"           => ["color", "Color: "],
   "SoilMoistureMeter"   => ["humidity", "H: "]
 );
 
@@ -82,14 +78,13 @@ my %sets = (
                            "DigitalPort " .
                            "DigitalPortTimeout " .
                            "DigitalPin " .
-                           "DigitalPinTimeout",
+                           "DigitalPinTimeout ",
   "Dimmer"              => "on:noArg off:noArg toggle:noArg statusRequest:noArg pct:slider,0,1,100 ani " .
                            # Used from SetExtensions.pm
                            "blink on-for-timer on-till off-for-timer off-till intervals",
   "EnvSensor"           => "",
   "RGBDimmer"           => "Color " .
-                           "ColorAnimation " .
-                           "Dimmer.Brightness:slider,0,1,100",
+                           "ColorAnimation",
   "SoilMoistureMeter"   => "",
   "Custom"              => "Dimmer.Brightness " .
                            "Dimmer.Animation"
@@ -112,7 +107,7 @@ sub SHCdev_Initialize($)
 {
   my ($hash) = @_;
 
-  $hash->{Match}    = "^PKT:SID=([1-9]|[1-9][0-9]|[1-9][0-9][0-9]|[1-3][0-9][0-9][0-9]|40[0-8][0-9]|409[0-6]);";
+  $hash->{Match}    = "^Packet Data: SenderID=[1-9]|0[1-9]|[1-9][0-9]|[0-9][0-9][0-9]|[0-3][0-9][0-9][0-9]|40[0-8][0-9]|409[0-6]";
   $hash->{SetFn}    = "SHCdev_Set";
   $hash->{GetFn}    = "SHCdev_Get";
   $hash->{DefFn}    = "SHCdev_Define";
@@ -190,7 +185,7 @@ sub SHCdev_Parse($$)
   my $name = $hash->{NAME};
 
   if (!$parser->parse($msg)) {
-    Log3 $name, 1, "$name: Parser error: $msg";
+    Log3 $hash, 4, "SHC_TEMP: parser error: $msg";
     return "";
   }
 
@@ -202,7 +197,7 @@ sub SHCdev_Parse($$)
   my $rname        = $rhash ? $rhash->{NAME} : $raddr;
 
   if (!$modules{SHCdev}{defptr}{$raddr}) {
-    Log3 $name, 3, "$name: Unknown device $rname, please define it";
+    Log3 $name, 3, "SHC_TEMP: Unknown device $rname, please define it";
     return "UNDEFINED SHCdev_$rname SHCdev $raddr";
   }
 
@@ -610,16 +605,6 @@ sub SHCdev_Set($@)
         }
         readingsSingleUpdate($hash, "state", "set-coloranimation", 1);
         SHCdev_Send($hash);
-      } elsif ($cmd eq 'Dimmer.Brightness') {
-        my $brightness = $arg;
-
-        # DEBUG
-        # Log3 $name, 3, "$name: Args: $arg, $arg2, $arg3, $brightness";
-
-        readingsSingleUpdate($hash, "state", "set-brightness:$brightness", 1);
-        $parser->initPacket("Dimmer", "Brightness", "SetGet");
-        $parser->setField("Dimmer", "Brightness", "Brightness", $brightness);
-        SHCdev_Send($hash);
       } else {
         return SetExtensions($hash, "", $name, @aa);
       }
diff --git a/FHEM/SHC_parser.pm b/FHEM/SHC_parser.pm
index 0aeed7d8b..4e960f1b3 100644
--- a/FHEM/SHC_parser.pm
+++ b/FHEM/SHC_parser.pm
@@ -3,7 +3,7 @@
 ##########################################################################
 # This file is part of the smarthomatic module for FHEM.
 #
-# Copyright (c) 2014, 2015 Uwe Freese
+# Copyright (c) 2014 Uwe Freese
 #
 # You can find smarthomatic at www.smarthomatic.org.
 # You can find FHEM at www.fhem.de.
@@ -30,12 +30,11 @@
 # Receiving packets:
 # ------------------
 # 1.) Receive string from base station (over UART).
-# 2.) Check CRC (last 8 characters, optional).
-# 3.) Parse received string:
-#     $parser->parse("PKT:SID=22;...");
-# 4.) Get MessageGroupName: my $grp = $parser->getMessageGroupName();
-# 5.) Get MessageName: my $msg = $parser->getMessageName();
-# 6.) Get data fields depending on MessageGroupName and MessageName, e.g.
+# 2.) Parse received string:
+#     $parser->parse("Packet Data: SenderID=22;...");
+# 3.) Get MessageGroupName: my $grp = $parser->getMessageGroupName();
+# 4.) Get MessageName: my $msg = $parser->getMessageName();
+# 5.) Get data fields depending on MessageGroupName and MessageName, e.g.
 #     $val = $parser->getField("Temperature");
 #
 # Sending packets:
@@ -45,7 +44,6 @@
 # 2.) Set fields:
 #     $parser->setField("PowerSwitch", "SwitchState", "TimeoutSec", 8);
 # 3.) Get send string: $str = $parser->getSendString($receiverID);
-#     It includes a CRC32 as last 8 characters.
 # 4.) Send string to base station (over UART).
 ##########################################################################
 # $Id$
@@ -56,7 +54,6 @@ use strict;
 use feature qw(switch);
 use XML::LibXML;
 use SHC_datafields;
-use Digest::CRC qw(crc32); # linux packet libdigest-crc-perl
 
 # Hash for data field definitions.
 my %dataFields = ();
@@ -253,10 +250,10 @@ sub parse
   if (
     (
       $msg =~
-/^PKT:SID=(\d+);PC=(\d+);MT=(\d+);MGID=(\d+);MID=(\d+);MD=([^;]+);.*/
+/^Packet Data: SenderID=(\d*);PacketCounter=(\d*);MessageType=(\d*);MessageGroupID=(\d*);MessageID=(\d*);MessageData=([^;]*);.*/
     )
     || ($msg =~
-/^PKT:SID=(\d+);PC=(\d+);MT=(\d+);ASID=\d+;APC=\d+;E=\d+;MGID=(\d+);MID=(\d+);MD=([^;]+);.*/
+/^Packet Data: SenderID=(\d*);PacketCounter=(\d*);MessageType=(\d*);AckSenderID=\d*;AckPacketCounter=\d*;Error=\d*;MessageGroupID=(\d*);MessageID=(\d*);MessageData=([^;]*);.*/
     )
     )
   {
@@ -314,9 +311,6 @@ sub getMessageData
       $res .= sprintf("%02X", $_);
     }
 
-	# strip trailing zeros (pairwise)
-	$res =~ s/(00)+$//;
-
     return $res;
   } else {
     return $self->{_messageData};
@@ -371,8 +365,8 @@ sub setField
   $obj->setValue(\@msgData, $value, $index);
 }
 
-# cKK01RRRRGGMMDD{CRC32}
-# c0001003D3C0164 = SET    Dimmer Switch Brightness 50%
+# sKK01RRRRGGMMDD
+# s0001003D3C0164 = SET    Dimmer Switch Brightness 50%
 sub getSendString
 {
   my ($self, $receiverID, $aesKeyNr) = @_;
@@ -388,15 +382,13 @@ sub getSendString
     $aesKeyNr = 0;
   }
 
-  my $s = "c"
+  my $s = "s"
     . sprintf("%02X", $aesKeyNr)
     . sprintf("%02X", $self->{_messageTypeID})
     . sprintf("%04X", $receiverID)
     . sprintf("%02X", $self->{_messageGroupID})
     . sprintf("%02X", $self->{_messageID})
     . getMessageData();
-  
-  return $s . sprintf("%08x", crc32($s));
 }
 
 1;