News Archive

Broadband Warning

by msecadm4921

The British Security Industry Association has warned installers of potential incompatibility between ADSL Broadband and monitored intruder alarms when fitted in the same premises.

ADSL Broadband consists of an analogue line and a digital line transmitting down one cable. If an auto-dialler or digital communicator is used for signalling over broadband to an alarm receiving centre, these signals may be corrupted or even blocked as a result of the digital signals causing noise on the lower frequency analogue signals. This is because digital signals use a much larger proportion of the available bandwidth on the telephone line than analogue signals. Consequently, the two signals can overlap, causing problems for both systems.

BSIA Technical Director, Alex Carmichael, says: “Installers need to be aware of this incompatibility which could cause serious problems for customers, resulting in an alarm not activating when needed. Resolving the issue is simply a matter of fitting a Digital Subscriber Line (DSL) micro-filter. This removes the need for splitters or the use of an additional phone line.” The BSIA recommends that intruder alarm companies should advise all interested parties of this potential incompatibility, ensuring in particular that customers are aware that they should contact their alarm company if they wish to install broadband after their monitored alarm has been fitted.

Meanwhile a technical guide from the BSIA seeks to provide practical information on biometric security solutions.

Alex Carmichael says: “Biometric technology has hit the headlines on many occasions over the past year thanks to the government’s plans for biometric ID cards, and following the general election result it is likely to be coming back onto the political agenda. As biometric technology is developing, more and more end-users are starting to consider using the technology to enhance their premises’ security. This new publication provides essential guidance for end-users that are in this position."

The ‘Users’ Practical Guide to Biometrics’ outlines the factors that should be borne in mind when considering using biometric technology as part of a security solution. A biometric is the automated means of recognising a living person by either a physiological or behavioural trait, which is unique to an individual and cannot therefore be passed on, or easily duplicated. Some of the more familiar biometrics are fingerprint, facial recognition, hand geometry and iris recognition.

To download your copy of the BSIA Users’ Practical Guide to Biometrics:

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