Challenge Code Block
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| Smart Device Protocol Block | |
|---|---|
| Name | CHALLENGE-CODE |
| BType | 0x4F |
| BData Count | 2 |
| Sent By | Tagger |
This block is sent by the tagger to authenticate the attached device. The device must respond with a Challenge Response block containing the correct response code.
- BData0—Challenge code (most significant byte)
- BData1—Challenge code (least significant byte)