Dod — (164) Mp4

Its ability to handle hundreds of unique codes and cards makes it a standard choice for apartment complexes and office buildings.

The system is often used alongside video entry phones (such as the K-1705-3 , detailed in related documents like DOD# 158) to provide visual verification of visitors before granting access. III. Modern Significance in Security Dod (164) mp4

The C-4000 (referenced in ) serves as a multi-tenant entry controller designed to interface with standard dedicated phone lines or CO lines. Its primary function is to allow visitors to contact tenants via an entry phone, providing a secure method for remote door or gate release. II. Core Functionalities Capacity: Supports up to 250 tenants or phone numbers. Its ability to handle hundreds of unique codes

Many configurations support activity logging, ensuring a digital trail of who accessed the building and when. Contextual Alternative: Research and Medicine Modern Significance in Security The C-4000 (referenced in

Landlords can program names and numbers remotely using a PC or standard touch-tone phone.

In the context of modern infrastructure, the C-4000 represents the shift toward centralized, programmable building security. It allows for: