Issue link: https://securitytechnologyexecutive.epubxp.com/i/118926
of furniture, it should be ergonomically designed for the purpose, adjustable to match the operator���s physique, and comfortable to eliminate distraction. Infrastructure and Environment The infrastructure and environmental support factors that have the most impact on the effective operation of the SOC are temperature, humidity, lighting and electrical power. ��� Temperature and Humidity: The heating, ventilating and air conditioning (HVAC) systems in many office buildings are designed to operate in the most cost-efficient manner. Often, during non-business hours, they automatically set back to levels that are not intended for human comfort. If the SOC or lobby desk monitoring location is to be staffed around the clock, arrangements should be made to provide environmental support for these spaces, possibly through the use of supplemental HVAC units. ��� Lighting: Computer and video glass display screens are very susceptible to reflection from ceiling or wall-mounted lighting units, and this detracts from their optimum use. The location of light units should be carefully chosen with reference to the position and angle of the display screens. Indirect or reflected lighting is often the best solution. It is recommended that a lighting engineer be used to prepare, or at least check the design. Many monitoring and control operators prefer to work in a darkened room with little or no ambient lighting. While dimming surrounding lights can improve focus on the screens, it can also lead to eyestrain, and make more difficult other manual tasks, such as video display selection and keyboard data entry. ��� Electrical Power: Since monitoring and control systems rely on power, it is important that its source be reliable and of good quality ��� thus, without surges or reduction in voltage. Both of these criteria can be met with the use of an Uninterruptable Power System (UPS). The UPS smoothes any ripples in the primary power and can come in two types: a small, stand-alone unit dedicated to the security monitoring and control equipment; or building/area-wide systems that also support critical busiwww.SecurityInfoWatch.com ness functions such as data processing and telecommunications applications. The UPS ��� particularly the small dedicated type ��� is not designed to provide support for long periods and it, in turn, should be supported by a building generator circuit if more than 20 minutes of back-up is required. In addition, if only minimal UPS power is available, it should be dedicated for the most critical security monitoring functions. Ergonomics Ergonomics is the interaction between people and things. A good example of ergonomic design is the arrangement within an automobile that ensures that the driver can access all of the required controls while maintaining concentration on the road and other traffic. Security workstation layout is very important to the accuracy and effectiveness of the monitoring staff. Using the earlier list of functions that need to be performed by the monitoring and control staff will greatly help with the layout of the workstation. Use that list to separate which functions require viewing, which require action and what the relative importance is for each function. Display equipment is designed so that it is not required to be within easy reach once it has been set up and adjusted for brightness and contrast. Display views should be prioritized by importance ��� primary, secondary or tertiary. Primary Figure 1 SECONDARY PRIMARY 60�� 30�� VIEWING AREA viewing is located within a 30�� field of view cone; secondary within 60��; and tertiary outside that field of view ��� as illustrated above in Figure 1. (continues on page 57) the power of innovation eFlow Power Supplies have added features ��� Supervised fire alarm disconnect ��� Over voltage protection ��� Low power shutdown protects stand-by batteries ��� Units provide up to 10 amps max. total @ 12VDC or 24VDC ��� All models include one aux output rated @ 1 amp More than just power.��� info@altronix.com altronix.com 1.888.258.7669 MADE IN THE U.S.A. LIFETIME WARRANTY Request information: www.securityinfowatch.com/10212790 SECURITY TECHNOLOGY EXECUTIVE ��� April 2013 27