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T24 System Manual Part 1: Installation
© MOBOTIX AG • Security-Vision-Systems • Made in Germany
2.1.3 With T24-Info2wire+ And T24-DoorMaster
To be able to use a bell wire already laid in the building to connect the T24 door station
to the network and supply it with power, the T24 version with Mx2wire+ technology is
required. The two-wire cable must be conducted from the door station info module to
a second Mx2wire+ unit inside the building, to which data and power is supplied, for
example, via a PoE+ switch.
Installing a T24-DoorMaster with decentralized access code memory makes it impossible
to open the door by bypassing the connection cable, and therefore protects against
unauthorized access. A battery, kept fully charged via MxBus at all times, supplies power
to the electric door opening mechanism (even in the case of a power failure).
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Outdoors Indoors
Door station
Switch box
Door
T24-Info2wire+
indoor unit
T24-DoorMaster
12 V DC
(for Mediator)
Power supply
Door contact
Door lock switch
Door opener
Anti-theft protection
Data and power over two-wire connection
MxBus
48-57 V DC
(alternative)
Power supply
VoIP videophone
2
2
2
2
2
2
2
2
PoE+ switch
8
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