The interface clicked into the detector’s 4-pin programming header. Green LED = ready.

ARITECH CSx75 Installation Guide | PDF | Mains Electricity | Cable. 2K views167 pages. Manual UDX75 | PDF | Microsoft Windows | Databases - Scribd

: The Aritech UDX75 likely refers to a model within Aritech's product lineup, possibly related to intrusion detection or alarm systems. Aritech, as a brand, is known for providing comprehensive security solutions.

The three must align. The PC software, the VL module, and the panel’s internal firmware must all be from the same release family. Mixing, for example, a VL version 2.x with panel firmware 3.x will cause a communication error (“Device Mismatch” or “Protocol Error”).

Controls for how the panel communicates with a central monitoring station.