Cyrex MC750 Installation Guide download pdf (Page 21)

Maximum distances in

relation to SBC: up to 1200 m

with Comelit cable 4577 and

suitable ampliﬁers.

Option of connecting several

porter switchboards (main

and secondary) within the

same system.

Option of sending alarm

signals from the ﬂats to

the switchboards.

Option of using the video

porter switchboard to view

an image of the visitor at the

main entrance.

Call modes up to 8 digits

(indirect call).

Default intercom function,

without special interface.

Up to 120.000 users

divided between 500

zones, each with a

maximum of 240 users.

Option of transferring

calls reaching the porter

switchboard to an external

telephone number.

Simplebus Top

SimplebusTop System

From the two-wire system to the top...

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Cyrex MC750 Installation Guide Page 21