``define hmusb HMLAN 127.0.0.1:1234``
``attr hmusb hmId <hmId>``
-**Important compatibility information:**
+**Important compatibility information:**
If older Fhem-versions (before 2015-06-19) or [Homegear][] before 2015-07-01
is used to connect to hmland, the `-I` switch might be needed to
impersonate a LAN-interface (this replaces the identity string HM-USB-IF with
This incompatibility is needed so connecting software is able to
differentiate between HM-CFG-LAN and HM-CFG-USB.
-**Important security information:**
+**Important security information:**
Versions before 0.101 do not correctly transmit the AES channel-mask
to the HM-CFG-USB, which results in signature-requests not being generated
by the device in most cases. This can lead to processing of unsigned messages
the new firmware to the device with serial *KEQ0123456*:
`./flash-ota -f hm_cc_rt_dn_update_V1_4_001_141020.eq3 -s KEQ0123456 -c /dev/ttyACM0`
+**Automatic firmware-updates:**
+The options `-C`, `-D` and `-K` can be used to send a device to the
+bootloader automatically without manually rebooting the device while
+pressing buttons.
+
[eQ-3]: http://www.eq-3.de/downloads.html
[culfw]: http://culfw.de/culfw.html
[CUL]: http://busware.de/tiki-index.php?page=CUL