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 and cards makes it a standard choice for apartment complexes and office buildings. Dod (164) mp4
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 The C-4000 (referenced in ) serves as a
It is worth noting that is also used as an identifier in U.S. Department of Defense research reports. Specifically, it has been associated with studies regarding the "Efficacy of Adjunct Sleep Interventions for PTSD (EASI-PTSD)" . If your "mp4" file is a recording of a lecture or presentation on this military medical study, the essay would focus on psychological recovery and sleep health for veterans rather than security hardware. LRR-4 - Viking Electronics, Inc. Core Functionalities Capacity: Supports up to 250 tenants
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