Indala 34bit Optus

Everything you need to understand Indala 34bit Optus

Card format Overview

A proprietary 34-bit card format used in access control systems, featuring a unique structure composed of 11-bit site code and 16-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

Indala 34bit Optus format properties

Site Code

11 bits. The facility code range is 0 to 2,047.

Card Number

16 bits. A unique serial number (0-65,535) for each card within that facility code.

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Format Value
Hex
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Decimal
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Binary
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The API that turns
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