Design of Access Control instalations (AC): Modern access control sysytem can managed and control from a fue doors to tausands of doors. The management of local resources is efficient and real-time. Systems have big card / user capacity and event buffer . Full access input/output functions (incl. exit, door monitoring, alarm output etc.). They have a lot of netowork intefacec including 10/100 Ethernet , RS232 and RS485. Administrative control over working hours, time and attendance, punctuality, official absences, holidays, sick-leaves, etc. as well as individual control over hours worked.

Access control can be present like a hole system with subsystems or can operate like standalone controlers.

1.Access control elements:

• Main unit – contrler .
• Slave unit – controlers.
• Card Readers – proximity and access pin.
• Fingerprint readers.
• Software and servers.
• Accessories: electrical locks, power supply, convertors.
• Proximity cards .

2.Parking system elements:

• Posts at the entrance .
• Posts at the exit .
• Posts at the entrance and the exit of the inner parking, if such presist .
• Bariers.
• Automatic systems for prepaying .
• Management posts with specific software.