Page 21 - Campus Security & Life Safety, May/June 2020

Using existing cabling with EoC. Advanced Ethernet over Coax (EoC) Solutions enable legacy analog coax cable to be upgraded to accommo- date new networked IP solutions. Removing the need to rip and replace old cable with new Ethernet cable delivers significant savings, since this alone represents what can often be the most expensive aspect of a secu- rity and surveillance system upgrade. EoC solutions provide the addi- tional benefit of including both power and data over a single coax cable, supporting PoE, PoE+ and Hi-PoE IP devices while reaching distances up to five times standard Ethernet range without the need for repeaters.
EoC solutions provide schools and campuses with a huge advantage and incentive to upgrade outdated systems with new, highly effective and cost-efficient networked surveillance and access solutions. It’s also impor- tant to note that the conversion from analog to networked systems can be done on whatever scale and pace that best meets the school’s budget.
New, more advanced solutions can be deployed in locations where they are needed most, like main entrances to education centers, dormitories, libraries, sports and entertainment facilities, while retaining legacy analog systems in secondary areas until funds become available to upgrade.
Making the long run with fiber and copper. Sometimes standard EoC solutions simply don’t cut it, especially when edge devices like cameras or access readers need to be located at great distances from the security head-end or command center. In these instances, Ether- net to Fiber media converters allow edge devices to be installed at distances over a mile while delivering power and data from the head- end, utilizing composite copper and fiber optic cable. This greatly extends the reach of perimeter security and increases situational awareness in areas like parking lots and garages, and sports fields.
Battery back-up with more life. One of the basic facts surrounding
any electronic system is that it can simply stop working if the power goes down – unless there’s a sufficient back-up power supply in place. Given the remote and distributed nature of surveillance and security systems, Uninterrupted Power Supplies (UPS) solutions are often impractical for installation across large schools and vast campuses. Hence, most surveillance, access and security systems deploy battery back-up systems to maintain operation as long as possible during power outages and brownouts. This is typically a compliance mandate for access control systems to ensure entry and egress are continually maintained. However, battery life has been a longstanding issue, often causing systems to stop working before power is restored.
Recently introduced Lithium Iron Phosphate (LiFePO4) battery back- up solutions have ushered in a new generation of DC power, virtually rendering Sealed Lead-Acid (SLA) batteries obsolete. Although the ini- tial purchase price of a LiFePO4 battery is more than a conventional SLA battery, it offers a significantly lower Total Cost of Ownership (TCO).
Additionally, LiFePO4 batteries have up to a 10-year shelf life and allow for rapid charging and discharging, delivering more uptime to keep systems running longer. Power and transmission solutions with LiFePO4 battery back-up systems are a smart investment to ensure your school and campus remain protected when the power goes down.
Like a good education, advanced networked surveillance, access and security systems require a great foundation to build on. Innova- tive power and transmission solutions deliver a smarter and more resilient surveillance, access control and security foundation that can make education facilities safer and more conducive to learning.
Ronnie Pennington is the national sales engineer at Altronix Corp.
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