Validating the MicroSD card’s Host ID

The JACE-9000 Host ID depends on the presence of a MicroSD card. This ties the license file to the Host ID on an MicroSD card and makes it portable. All MicroSD cards are programmed with the Tridium secret, which validates the authenticity of the MicroSD card-based Host ID established using Card Identification (CID) values. The CID number is a unique identifier or serial number created on the MicroSD card at the time of manufacturing.

Prerequisites: The controller is plugged into the wall outlet with its power off.

Insert a MicroSD card into the card slot.
Turn the power on.
If no MicroSD card is present, the device uses a CPU-based Host ID. When the MicroSD is present at boot time, the MicroSD card is checked for authenticity using the Tridium secret. The Host ID’s authenticity will be verified. If the MicroSD card fails authentication, the Host ID is considered invalid. If the MicroSD card passes authentication, the MicroSD card-based Host ID will be used.

Validating the MicroSD card’s Host ID

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