CA2144AB - audio module, 1-4 print., Albums

Audio module and control unit for Alba series door stations for the DUO system. The module can be used in the following modes: one-button, two-button or four-button. It is always necessary to add AB21 button covers or AB20 button blanks to the module. It can be supplemented with the XE2920 or XE2921 bluetooth module. The module is powered by the system bus.

Module type	Basic audio module
Modularity	Yes
Number of module positions	1
Intended for	The DUO system
Design line	Albums
Construction	Recessed / surface
Cabling	2-wire (UTP / 2302)
Power supply	From the DUO line (source 2221xx)
Current consumption	20 mA at rest, 200 mA in operation
Speaker	Yes (with volume control)
Microphone	Yes (with volume control)
Number of call buttons	2 / 4
Status signaling	Optical (3 LEDs) + acoustic
Output for door lock	Voltage
Lock power supply	12V >1A for 10ms, then 180mA
Digital inputs	1 (exit button)
Digital outputs	1 (auxiliary output)
More information	Voice signaling of statuses. Support for DUO extended range (up to 19800 participants).