The INT-SECBOXV2-US, also known as the Control iD External Access Module, is a high-performance expansion component designed to bolster the security and functionality of professional access control systems. This compact drive module serves as a critical bridge between a main terminal and the physical door hardware. It allows for the remote management of relay outputs and Wiegand inputs, effectively moving the sensitive door-strike controls away from the public-facing side of a wall. This "split architecture" significantly enhances security by preventing unauthorized individuals from bypassing a lock through simple tampering with the external reader’s wiring.