Structure - System description SVCN
Comfort/half cylinder
In the case of the SI Digital Cylinder AX (Comfort and half cylinder), all electronics are located on the outside.
- Control Unit (CU)
- Card Reader (CR)
- Batteries
- Secure element (SE) - in the profile core on the outer side


Freely rotating
In the case of the SI Digital Cylinder AX (freely rotating), each of the two reader thumb-turns is equipped with complete electronics.
- Control Unit (CU)
- Card Reader (CR)
- Batteries
- Secure element (SE) - in the profile core on the outer side

NOTE
Electronics for SI Digital Cylinder AX with reader on both sides
In the version with a reader on both sides, the SI Digital Cylinder AX is equipped with an electronic reader thumb-turn on the outside and an electronic reader thumb-turn on the inside. Both thumb-turns are independent of each other.
- Create and configure the two electronic reader thumb-turns separately.
- Program the two electronic reader thumb-turns separately.
Length modularity
The Euro Profile variant is modular and can be extended, shortened or otherwise adapted on site. See the length modularity manual for details.
