Fixed the issue.
socat tcp-listen:10001,fork,reuseaddr file:/dev/ttyUSB0,b38400,raw
I did also a change from the pro type software to the ext type software and found th 1020 Version. But only adding baud to socat fixed the issue.
Maybe it would be good to mention the minimum software version and the baud in the documentation.
Now I’m wondering why the connection is still offline and the system always reconnect.
16:12:33.671 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Checking RFXCOM transceiver connection, thing status = OFFLINE
16:12:33.673 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Connecting to RFXCOM transceiver
16:12:33.674 [DEBUG] [internal.connector.RFXComTcpConnector] - Disconnecting
16:12:33.681 [DEBUG] [internal.connector.RFXComTcpConnector] - Interrupt stream listener
16:12:33.699 [DEBUG] [internal.connector.RFXComStreamReader] - Data listener stopped
16:12:33.701 [DEBUG] [internal.connector.RFXComTcpConnector] - Close tcp out stream
16:12:33.703 [DEBUG] [internal.connector.RFXComTcpConnector] - Close tcp in stream
16:12:33.705 [DEBUG] [internal.connector.RFXComTcpConnector] - Close socket
16:12:33.707 [DEBUG] [internal.connector.RFXComTcpConnector] - Closed
16:12:33.710 [INFO ] [internal.connector.RFXComTcpConnector] - Connecting to RFXCOM at 192.168.1.12:10001 over TCP/IP
16:12:33.724 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Reset controller
16:12:33.726 [TRACE] [internal.connector.RFXComTcpConnector] - Send data (len=14): 0D00000000000000000000000000
16:12:33.732 [DEBUG] [internal.connector.RFXComStreamReader] - Data listener started
16:12:34.028 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Get status of controller
16:12:34.029 [TRACE] [internal.connector.RFXComTcpConnector] - Send data (len=14): 0D00000102000000000000000000
16:13:04.520 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Message received: Raw data = 0A5201007A0200E6240259, Packet type = TEMPERATURE_HUMIDITY, Seq number = 0, Sub type = TH1, Device Id = 31234, Temperature = 23.0, Humidity = 36, Humidity status = DRY, Signal level = 5, Battery level = 9
16:13:04.523 [TRACE] [iscovery.RFXComDeviceDiscoveryService] - Received: bridge: rfxcom:tcpbridge:rp_wohnzimmer message: Raw data = 0A5201007A0200E6240259, Packet type = TEMPERATURE_HUMIDITY, Seq number = 0, Sub type = TH1, Device Id = 31234, Temperature = 23.0, Humidity = 36, Humidity status = DRY, Signal level = 5, Battery level = 9
16:13:04.525 [TRACE] [iscovery.RFXComDeviceDiscoveryService] - Adding new RFXCOM rfxcom:temperaturehumidity:rp_wohnzimmer:31234 with id '31234' to smarthome inbox
16:13:04.526 [DEBUG] [.binding.rfxcom.handler.RFXComHandler] - Received message from bridge: rfxcom:tcpbridge:rp_wohnzimmer message: Raw data = 0A5201007A0200E6240259, Packet type = TEMPERATURE_HUMIDITY, Seq number = 0, Sub type = TH1, Device Id = 31234, Temperature = 23.0, Humidity = 36, Humidity status = DRY, Signal level = 5, Battery level = 9
16:13:25.538 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Message received: Raw data = 0A520101960100AB120240, Packet type = TEMPERATURE_HUMIDITY, Seq number = 1, Sub type = TH1, Device Id = 38401, Temperature = 17.1, Humidity = 18, Humidity status = DRY, Signal level = 4, Battery level = 0
16:13:25.540 [TRACE] [iscovery.RFXComDeviceDiscoveryService] - Received: bridge: rfxcom:tcpbridge:rp_wohnzimmer message: Raw data = 0A520101960100AB120240, Packet type = TEMPERATURE_HUMIDITY, Seq number = 1, Sub type = TH1, Device Id = 38401, Temperature = 17.1, Humidity = 18, Humidity status = DRY, Signal level = 4, Battery level = 0
16:13:25.541 [TRACE] [iscovery.RFXComDeviceDiscoveryService] - Adding new RFXCOM rfxcom:temperaturehumidity:rp_wohnzimmer:38401 with id '38401' to smarthome inbox
16:13:25.543 [DEBUG] [.binding.rfxcom.handler.RFXComHandler] - Received message from bridge: rfxcom:tcpbridge:rp_wohnzimmer message: Raw data = 0A520101960100AB120240, Packet type = TEMPERATURE_HUMIDITY, Seq number = 1, Sub type = TH1, Device Id = 38401, Temperature = 17.1, Humidity = 18, Humidity status = DRY, Signal level = 4, Battery level = 0
16:13:34.031 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Checking RFXCOM transceiver connection, thing status = OFFLINE
16:13:34.033 [DEBUG] [ng.rfxcom.handler.RFXComBridgeHandler] - Connecting to RFXCOM transceiver
16:13:34.035 [DEBUG] [internal.connector.RFXComTcpConnector] - Disconnecting
16:13:34.036 [DEBUG] [internal.connector.RFXComTcpConnector] - Interrupt stream listener
16:13:34.068 [DEBUG] [internal.connector.RFXComStreamReader] - Data listener stopped
16:13:34.070 [DEBUG] [internal.connector.RFXComTcpConnector] - Close tcp out stream
16:13:34.072 [DEBUG] [internal.connector.RFXComTcpConnector] - Close tcp in stream
16:13:34.074 [DEBUG] [internal.connector.RFXComTcpConnector] - Close socket
16:13:34.075 [DEBUG] [internal.connector.RFXComTcpConnector] - Closed