Its ability to handle hundreds of unique codes and cards makes it a standard choice for apartment complexes and office buildings.
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.
Features two Wiegand inputs for proximity card readers or keypads, and two programmable relays for controlling multiple gates or doors. Dod (164) mp4
In the context of modern infrastructure, the C-4000 represents the shift toward centralized, programmable building security. It allows for:
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 Its ability to handle hundreds of unique codes
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.
Landlords can program names and numbers remotely using a PC or standard touch-tone phone. Specifically, it has been associated with studies regarding
Many configurations support activity logging, ensuring a digital trail of who accessed the building and when. Contextual Alternative: Research and Medicine