Honeywell 8C-TDODA1Digital 0utput Module

Digital 0utput ModuleIntroduction

The Digital Output Module (DOM) is the heart of the Honeywell Voice Alarm and Public Address system. Managing either 8 or 24 zones the DOM routes up to 4 channels of audio via amplifiers to any individual zone or groups of zones. The 2 variants, DOM4-8 and DOM4-24 are both equipped with four independent audio outputs in order to access four channels. Each audio channel controls up to 8 loudspeakezones with each DOM managing 8 zones (DOM 4-8) or 24 zones (DOM 4-24). The loudspeaker circuits are constantly monitored for shortcircuit, earth fault and failure as well as for impedance deviation. Defective loudspeaker zones are isolated with the operation of all other zones unaffected. The system can accommodate either impedance or end of line monitoring providing a flexible solution to both new build and existing retrofit projects regardlessl of the type of loudspeakers currently installed.

The DOM has a 4-Port Fast-Ethernet-Switch for communication with other system components (DOM, SCU). The maximum range according to the norm with a CAT 5 cable is 90 m (plus 2 x 10 m patch cable). Increased operating distance/range and networking over fibre optics is possible with standard ethernet media converters.

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