Door entry & Access control system
Access control system components
What is a time clock in an access control system?
Timer in an access control system can programmed for 7 days, most with digital timer. Most of them work with 12V AC/DC voltage.
Time clock restrict Tradesmen entry facility and their often wall-mount with features such as
• 12V AC/DC operating voltage, LCD display, pre-set programming for all 7 days, 8 on/off periods, repeat options, override and etc
Larger timer module can work up to 10 hours with pre-set options.
Exit Switch (flush mounting)
These switches are typically used in an access control system to release the door in the absence of a manual lock release. In most door entry system they operate by sending a 0v set door release. Out-door rated exit buttons or switches are normally manufactured in stainless steel and vandal proof.
Video distributors are used in large access control system to distribute videos to multiple handsets.
A flashing beacon gives an effective visual indication of a call in an access control system. Flashing beacons is ideal for areas with a high level of background noise or an area subjected to DDA.
The switching unit will allow operating a standard access controlled door entry system from two entrances. In some bell systems you can control up to 8 entrances. When a call is initiated from an entrance, the switching unit connects that call to a speech unit of the panel for a pre-decided period. By pressing the release button in the telephone release only the calling door.
Video signal amplifier
Poor video signal is a major issue with lot of access control system, by installing a video signal amplifier, video signals can be boosted.
Access & Door entry system installation course
2 day practical course, please call us on 020 8320 1445 for more information.