Suprema Secure Single Door I/O Module

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By Paul Maloney on Thu 06 November 2025

By Paul Maloney on Tue 07 October 2025

By Paul Maloney on Thu 18 September 2025

E23SIO2

Provides secure door control via encrypted communication when combined with other Suprema devices
2 inputs, 1 output
Suprema Product Code: SIO2