Nundnet : Turnstiles & Access Controls

Nundnet : Turnstiles & Access Controls

Decades of experience in physical security systems Turnstiles, Automatic Gates & Access Controls

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  • FACILITY CODE

FACILITY CODE

by Nundnet / Thursday, 22 December 2011 / Published in Access Controls, Technology
Facility Code

Facility code is also called as Site code, is a specific code that restricts or isolates other systems that might have a similar range of Badge ID’s access to specific site.

Consider the two sites belonging to same facility, and as a general standard, cards can be of any format but bit width is limited to 26 or 32. Let us assume a 26 bit card.  Once the cards are issued to tenants, the serial numbers start from 0 to 65,535 and if the same 26 bit card is used at other site, again the tenants of that site will have cards starting from 0 to 65,535. It means two tenants will have same serial number and it will create a huge confusion as either of the tenant can enter any site hence will create huge impact on security.

In order to restrict tenants for specific site, the site code is added as prefix code for each site.

The example of site or facility code is as below

Locations

Site / Facility code

Serial Numbers

Site 1

106

1 ~ 17000

Site 2

107

1 ~ 17000

This way the cards are combination of site or facility code & serial numbers, the site code acts as restriction digit.

Site codes are extremely important for high secure locations to avoid illegal entry by cloning the cards & tags. Once the cards are provided with site codes, it becomes very much difficult to intrude the site or premises.  Facility codes enable the high security as a feature. The generic proximity cards are available in market and can be changed at the choice of user while as the cards with facility codes are high protected as site code itself is the protection factor. 

All devices available in the market are not with site code but are open and accessible, so it is very important to choose site code as feature to main security at all time high. 

2
Tagged under: Facility Code, Protection, Security, Site Code

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