Alarm monitoring center

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An Alarm Monitoring Center or Central Monitoring Station (also known as "CMS") is a company that provides services to monitor burglar, fire and residential alarm systems. The Central Monitoring Station may also provide watchman and supervisory services.

Central Monitoring Stations use special telephone and mobile lines, radio channels, computers, software and trained staff to monitor their customers' security systems and call the appropriate authorities in the event an alarm signal is received. Typically, there is a fee for services rendered. Because quality and experience can vary greatly among alarm companies, prospective customers are well advised to do their own research before making a final choice. Not all alarm companies monitor the systems they install and may outsource these services to another company.

Some facilities are certified by independent agencies. In the USA Underwriters Laboratories (UL) is a leader in inspection and certification of central-stations. UL Standard 827 must be adhered to in order to maintain a UL issued Central-Station listing. UL conducts annual audits of these listed facilities to ensure compliance.

"UL Listed" companies typically offer higher levels of service and reliability because they are mandated to follow certain regulations. Higher levels of service also include range of services, and a separation from companies with conflicts of interest who may be owned or operated by entities that in fact compete with the central station's customers.

If the UL Listed Central Station is "automated", the computers and software must meet very special requirements processing and storing very large amounts of data and integration with many different alarm protocols.

Incoming signals are processed by digital alarm receivers; these convert the incoming event packets to serial or TCP packets which are then analysed by the Central Station software. Event packets can be communicated over any transmission medium: PSTN, GSM, Radio, direct line, Ethernet, GPRS, etc.

Worldwide[edit]

Australia[edit]

In Australia Central Stations are graded against Australian Standard 2201.2 which addresses two areas: Physical construction and operational performance.

Physical performance is graded A, B or C (where A is the highest grading) and includes measures such as the construction of monitoring rooms - higher security monitoring centres have solid concrete and steel construction with mantraps for access that can only be operated internally.

Operational performance is graded 1, 2 or 3 (with one being the highest grading). It includes the ability of the monitoring centre to respond to events - generated by customers' security systems, operational reliability, data retrieval, etc.

Accordingly the highest grading is A1 and the lowest is C3 however even to be graded at C3 central stations still meet very high standards. There is presently no legislative imperative for an Australian central station to be 'graded' however police may refuse to respond to alarms despatched by non-graded companies and insurers may also deny a claim where an insured customer's system was monitored by an ungraded provider.

The Australian Security Industry Association Limited (ASIAL) runs a grading scheme and publishes a list of graded monitoring centres here.

United Kingdom[edit]

In the UK a similar structure of auditing takes place, with the National Approval Council for Security Systems provision of inspection and certification. Numerous standards such as BS5979 must be adhered to in order for a central station to be allowed to pass alerts to the police force. Emerging European standards are superseding these at this time.

See also[edit]