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PASS-O-MAT DUPLEX - How the
system operates
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NORMALLY OPEN
MODE
Unauthorised passage attempt by one single
user
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Unauthorised
user enters passageway, panels close blocking passage and alarm is
activated (local, acoustic, remote, etc.). As soon as user exits
passageway, panels open and alarm ceases.
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Tailgating attempt
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Person
C attempts entrance by tailgating behind one or more authorised person (s)
A and B. Panels close and block the passage as soon as the unauthorised
user C is detected. B and C must step out the passageway. Panels re-open as
soon as passageway is cleared. At this time, B (authorised) may pass freely
through passageway. B’s prior authorisation has been memorised by the
system.
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NORMALLY
CLOSED MODE
Authorised passage
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Person
obtains authorisation to enter. Panels open clearing passageway.
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One way free passage
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Person obtains
authorisation to enter. Panels open clearing passageway.
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Unauthorised passage attempt by one single user
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When
person enters passageway without authorisation, alarm is activated. Alarm
ceases when person has returned to entry-way and cleared passageway.
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