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Technology

Wiegand (interface / protocol)

Plain-language definition

Older de-facto standard for connecting the reader to the controller (DATA0/DATA1).

Technologycategory

Wiegand is a very widespread connection between the reader and the control unit in access systems. In practice, this means a typical “D0/D1 + GND” line.

The main disadvantage

Komunikace je v principu without encryption and without modern "supervision", so for higher risk today it is often switched to OSDP.

Practical meaning

How Wiegand (interface / protocol) affects a real service

The term becomes useful when it leads to a concrete procedure for a site, event or team.

When is the term resolved

Wiegand (interface / protocol) is mainly handled in practice when designing a facility, auditing security, handing over security technology, or when dealing with an alarm and incident.

Common mistakes in practice

The most common mistake is to deal with technology in isolation, without a procedure for operation, responsible persons, recording and response in real operation.

What to do in practice

If the term applies to your real operation, it connects to Site security. That is where we deal with the specific space, scope, responsibility and next step before deployment.

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