108 en | MAC - Main Access Controller BIS 2.3 - Access Engine
F.01U.028.713 | V 2.3.0.1 | 2009.11 Installation manual Bosch Sicherheitssysteme GmbH
11 MAC - Main Access Controller
11.1 Functions
The MAC has many functions which are absolutley essential to
access control at entrances.
11.1.1 Basic functions
– Download of reader programs from the DMS above it.
– Distribution of programms to the LACs and readers below
it.
– Download of data from the DMS, storage of data in the
local databas and distribution to the LACs of:
Badge/Card and personnel data
Fingerprints
Authorizations
Time Models
Device Data
– Forwarding of event messages (either from the MAC itself,
or from one one the LACs). The messages are stored in the
MAC until they have been successfully transmited to the
DMS.
– Forwarding of control commands originating from the DMS
or BIS (e.g. to open a door) to the responsible LAC-
11.1.2 Access Control functions
The MAC is primarily responsible for operative access control
functions. Depending on the the individual configuration these
can be activated, deactivated or customized. The main access
control functions run by the MAC include:
– Checking access rights at entrances.
– Tracking the locations of persons.
– Processing access control functions which require input
fom multiple LACs, e.g.
Access sequence tracking
Path control (route monitoring)
Antipassback
Man-trap control, in as far as multiple LACs are involved.
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