During normal operation, the calls made from any outdoor access panel to the building are received in the Central Guard Unit, which can announce the visit to the corresponding resident, pass on the call, or deal with it personally.

The guard unit, through its built-in display, informs on all incidents and actions in the facility: call source, call type, call in progress, calls waiting, latest communication, etc.
The guard unit has several operating modes.
The guard unit can communicate with any access (outdoor panel) or home.


The new CityMax guard unit has a 4” screen, dialing keypad (located under the phone handset) and fast access function buttons for easy and convenient facility and guard unit management.

Extra flat format, made in high impact ABS plastic and with a mirror polish type finish for easy cleaning.
Includes desktop support. Allows surface installation.


MDS Digital system: Simplified BUS installation digital audio and video door entry system that lets you manage buildings and residential complexes of unlimited size and able to integrate all the community services:
- Audio and Video Door Entry Systems
- Intercommunication between accesses.
- Access Control
- Centralized and automated security

Requires Central Unit/s to manage the installation (Capacity per C.U: 9999 homes, 32 accesses/guard units. Can link up to 63 C.U). Can be either general entrances or interior blocks.
MDS systems require floor Decoders to connect the homes to the installation BUS and act as insulators. Home-panel communication is private.

Wiring:
- Audio: 6-wire bus.
- Video: audio bus + Coaxial (video) + 2 power supply wires.
Maximum distance in the installation depending on the cable section used (see technical manuals).