RiTTO TWINBUS, System Manual

Page: 133 / 197

Installation: Assembly, connection and start-up
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Module removal
Deploy camera module anti-theft device
The provided anti-theft device can be used to prevent the modules from being stolen.
The lowest module must be installed without an anti-theft device in order to be able to remove the other modules when
required.
Connection
The modules are connected to the system bus with bus connectors. The next connection depends on the respective
module.
* Please note the red mark – see “Bus connections in the door station” on page
☞
10
.
Circuit diagram: connecting door station to power supply unit
Starting up
No start-up is required.
Remove unlocked module.
Remove module carrier.
Note:
For more than 6 button or information modules, the power to the door intercom module 1 4760
(terminals 3 and 4) must be supplied by the mains transformer 1 6476.
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