Cisco Physical Access Gateway Manual de usuario descargar pdf (Pagina 64)

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The door theory!

 Basic door has 4 devices involved

 The reader…reads the badges presented and transfers decoded

bit stream to gateway where gateway module or CPAM server

decides whether to grant access or not.

 Door sensor… what position is the door in? Is it open or closed?

 Rex… request to exit. If the door opens, was it forced open or is

someone leaving from secure side? The Rex lets us know the

door was not ‘forced open’.

 The lock…Once a valid badge is presented, the door has to be

unlocked. Depending on the lock is wired to the Output, the

module will open the circuit (C & NC) or close the circuit (C & NO)

 Some doors may have additional devices like a second reader to

be used by ADA personnel. This reader might provide extra time

for the people moving through the door.

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Cisco Physical Access Gateway Manual de usuario Pagina 64