> For the complete documentation index, see [llms.txt](https://help.security.gallagher.com/knowledge-hub/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.security.gallagher.com/knowledge-hub/products/integrations/third-party-readers/salto/salto-hardware/salto-integration-sam-key.md).

# Apply a SAM key

Apply a Salto Authorization Media key to locks that read Gallagher data.

Salto locks need a Salto Authorization Media (SAM) key to read Gallagher data.

A non-SAM'd lock behaves like this: the **red LED flashes 3 times, there is no audio, and the card is not read**.

### Apply a SAM key

* On **HAMS / SPACE < 4.01**: SAM the lock manually with a physical SAM card (from a Regional BDM, TAM, or Tech Support).
* On **SPACE 4.01+**: push SAM keys **from Command Centre**. The Salto server must be online, the operator must have **Advanced User** privileges, and it must be run **on the Command Centre server**, not a workstation. If the lock was initialised first, re-initialise it via PPD.


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