Firmware compatible with: Door station: TVHS20001 / TVHS20001S / TVHS21010 / TVHS21010S 
			  Monitor: TVHS21210 / TVHS20200 / TVHS20220


! ! ! ATTENTION! ! ! 

Never disconnect the device from the power and network connection during an update. 

It is recommended that you reset the device to its factory settings and reconfigure it after an update. 


! ! ! ATTENTION! ! !


Door station version: V2.2.77_build240529
Monitor version: V2.2.25_build240527
Release date: 15.11.2024


TVHS21xxx series 2-wire: 

1) Floor button function (switch input 1 on the monitor triggers a short gong => apartment floor bell button function) added
2) FIX: System can also be set up without DHCP LAN connection and the monitor is found in the setup wizard properly
3) FIX: Problems with the connection after restart without DCHP solved



This firmware is also compatible with the IP series “TVHS20001(S) / TVHS20200/TVHS20220”. After upgrading to this firmware,
the instructions for the TVHS21xxx series apply. 
The following (partly new) features are available after an update. If none of the new functions is required, 
it is not absolutely necessary to update the MODUVIS system. 



1) The second relay in the door module can now also be controlled using the numeric keypad TVHS20030/S (4 to 6 digit PIN)
2) Up to 4 external bell buttons for 4 apartments can be connected directly to the module (via switch input)
3) The backlighting of the nameplates/bell buttons can also be switched on and off manually or via a schedule. 
4) Direct call to the ABUS CMS software (Note: the MODUVIS monitor cannot be used at the same time!
5) For the doorbell call, a default camera can be selected, which is to be displayed first when the doorbell is rung.