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Ever wonder how secure spaces manage who gets in and who doesn’t? It’s all about the clever tech behind access control systems. Today, we're zeroing in on the DSX 33-bit format. Whether you're gearing up to implement it or simply intrigued by how this protocol operates, let’s take a closer look.
The DSX 33-bit format (D10202) is designed for 125 kHz proximity access control systems. It's a key part of the DSX system, known for its solid build and dependable performance in controlling who comes in and out of secure areas.
● Bit Length: As the name suggests, this format uses 33 bits, providing a higher degree of complexity and security compared to traditional 26-bit formats. The longer bit length means you can have more unique identifiers, which cuts down on duplicates and ups security.
● Facility Code: Comes with a facility code that is preset to 17.
● Compatibility: Compatible with HID 1346 products, which are 33-bit configurations themselves. This means that the DSX format meshes well with other HID security components.
ID cards store encoded data that verifies the identity and access privileges of an individual. They are designed with specific elements that enhance both their security and how well they work within an access control system. The DSX 33-bit format is broken down as follows:
● Start Sentinel: The start sentinel is a predefined fixed value (a single bit or small group of bits), typically set at the beginning of the data sequence, to signal the start of data encoding on the card.
● Facility Code: This denotes the specific area or 'facility' within a larger complex or system. With the DSX 33-bit format, you are limited to a single facility code.
● Parity Bits: Responsible for checking data integrity by confirming the count of '1's matches the expected even or odd total. A mismatch signals an error, prompting a retry or access denial.
● Issue Number: After allocating bits for the start sentinel, facility code, and parity bits, the remaining bits are dedicated to the issue number. This provides millions of unique combinations, supporting a large user base without any overlap.
A single, preset facility code can limit the granularity with which access is managed across different locations or departments within a large organization. For places with multiple buildings or extensive campuses, this might not offer enough flexibility to address unique security requirements for each area.
Also, if all organizations using this format employ the same facility code, it potentially becomes easier for unauthorized users to gain access simply by replicating a card. This could be a concern in areas where high security is needed, such as government or military facilities.
The DSX 33 Bit D10202 is used across various sectors to control access to sensitive areas. In corporate environments like finance and tech, it’s key to secure areas where sensitive data is stored. At universities, it can manage access to dorms, labs, and administrative buildings.
In industrial and manufacturing settings, the DSX 33-bit system works alongside other security tools like cameras and motion sensors to control who gets into high-risk areas. This helps prevent theft and keeps the workplace safer by making sure only authorized people can access certain parts of the site.
For more security-sensitive settings like government buildings and military facilities, DSX 33-bit cards ensure that only authorized individuals access restricted areas. Although the format uses a single facility code for all access points within the same complex or organization, it assigns a unique identifier to each individual card within that facility code. When an individual attempts to access a restricted area, the system checks not just the facility code but also the unique identifier. Access to specific areas is preset in the system and linked to certain identifiers. If an individual’s unique identifier has been granted access rights to an area, the door will unlock – if not, access is denied.
When considering the DSX 33-bit system for your access control needs, it’s important to weigh its strengths and limitations. The combination of a preset facility code and unique identifiers makes it a solid option for managing access to secure areas, but the single facility code can feel restrictive in more complex setups like large campuses or multi-building organizations.
If your infrastructure is already set up, AuthorizID offers a wide selection of DSX-compatible credentials, including cards, fobs, wristbands, and adhesive tags to meet your authentication needs. Explore our full range of options here.
Have questions about compatibility with your existing systems or want to discuss your options? Give us a call at (970) 682-0765 or email us at support@authoriz-id.com – we’re always here to help.
