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Access control is vital to providing a safe and secure environment. Restricting access at specific entry points to authorized people is the basic definition of access control.  This means of control comes many in various forms.  You can have access control using something as simple as a mechanical push button lock with a single code to open a door or as sophisticated as having a PC programmable proximity card access system controlling a hundred doors with more than a thousand employee cards issued.


Listed here are some examples of what you can do to provide access control on the doors at your office or facility:

This is a Simplex mechanical push button lock made by Ilco Unican.  It has one code only.  The code can be a mixture of single digit and dual digit (2 buttons pushed at the same time) numbers.  The codes can be changed by hand by the end user at any time.  It is capable of operating a cylindrical prep as shown, a mortise lock and a panic bar.  Click Here to learn more...


  This is an Omni Lock made by OSI.  This lock can be used with push button codes or cards.  It has many of the same functions that hardwired access control systems have but is battery operated.  Reports can be generated from this lock to tell who and when an employee came through the door using their code or card.  It can also be programmed to only allow access certain times of the day.   It is capable of operating a cylindrical prep as shown, a mortise lock, a panic bar and has the ability to separate the reader or push button housing to operate a hard wired type lock.  Click Here to learn more...


Proximity card reader by HID

Proximity is a term used to describe this reader because a card does not have to be slid through a slot or inserted into an opening with this reader.  A card simply has to pass within the close proximity of the card reader to operate.  The reader send out a field of energy which energizes a microchip in the card.  The card then sends its card number back to the reader and is recognized and granted or denied access.  This is a very popular type of reader because it has no moving parts to break, no slots to get dust in, is very reliable and in most cases, weatherproof. 

Generally a controller is used in conjunction with these card readers to provide a wide range of card functions like opening a door, turning off an alarm system, triggering a camera to take a picture of the card holder, signaling a guard that someone is entering a building, opening a gate, turning on and off lights...the limits of use can be as big as your imagination and check book.



A keypad is a common type of access control giving the flexibility to provide different codes that can be changed one at a time.  Some keypads are programmed at the unit itself, have all the electronics in them to unlock a door by providing a switch for power making them self contained.  Other keypads have internal controllers separate from the keypad where connections are made to the locking hardware inside a secure location.  Keypad above is by IEI


    Hard wired Access Control System

An access control systems that are hardwired and controlled using PC programming offer convenience and flexibility stand alone systems cannot.   You can program cards right at your desk to allow or deny access through a door.  You can open a door immediately with the push of a button.  Operating your system from outside the office is made possible by LAN or internet connections.  Multi site control is available from a single PC.  Integration with video, photo ID badges, elevator control, parking gate control, air conditioning/heating, lighting, alarm integration and much more is all possible with a hard wired system.  Here is an example of one such system: PC Based Access Control