The Audio Control Device - Gira 1287 00 Operating Instructions Manual

The audio control device

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The audio control device is the main power supply of the Gira
door communication system.
The audio control device assumes the following tasks in the
Gira door communication system:
• provision of the bus voltage (26 V DC ± 2 V) for the door
communication system.
• power supply of call button illumination (max. 15, the
number of call button illuminations that can be supplied is
dependent on the system size and the number of home
stations operation in parallel).
• provision of door opener control, including power supply
(12 V AC, 1.6 A) of the door opener.
• power supply of a TC-gateway.
• activation of the programming mode from the entire door
communication bus system.
Additional product features of the control device:
• maximum of 70 devices, e.g.
1 built-in speaker with 5 add-on modules,
68 surface-mounted home stations.
• depending on the system size, up to 3 home stations can be
operated.
• electronic overload and short-circuit protection.
• electronic excess-temperature protection.
• overload/short-circuit LED indicator.
• LED operation indication for determination of whether or
not mains voltage is active.
• adjustable activation time of door opener.