IDEMIA DOCUMENT –REPRODUCTION AND DISCLOSURE PROHIBITED
SIGMA terminal implementation
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Step one : overview
The SIGMA Series terminal
Its role is to process the access request from the user. It performs access
right checks using one-to-many biometric identification or one-to-one
biometric verification, and/or RF card authentication, and/or PIN check.
A Door Electric Latch or equivalent such Deadbolt, Door Strike or Magnetic Lock (3rd party product)
The Access Controller sends a command to activate the latch if the access is granted (i.e. if the individual's User ID is listed in the
Controller White List). Control of the latch is made through a dry contact..
An Alarm (3rd party product)
The terminal sends a message to the Access Controller, to activate the Alarm
as soon as a malicious activity such as tamper or pulling, is detected.
To secure an access, IDEMIA recommends installing the SIGMA Series terminal as a part of a typicalAccess Control system, this
consists of the components described below.
An Access Controller (3rd party product)
The terminal interfaces with an Access Controller (using TCP/IP,
Wiegand, Data Clock or RS485 protocol):
After user’s access rights checks, the terminal sends the result to
the Access Controller (this message contains at least the User ID)
The Access Controller performs additional checks, and returns the
final decision (access granted/denied) to the terminal (which
displays the result to the user), and to the door controller which
opens the door (if the access has been granted).
A
A
B
B
D
D
C
C
