ADDER AVSV1002-XX User Manual

ADDER AVSV1002-XX User Manual Manual pdf 17 page image

 16 OperationIn operation, the AdderView Secure unit allows you to quickly and securelyswitch between up to four systems. Strictly only one system may be accessed ata time, whereupon the common keyboard and mouse (and smart card reader, ifused) are linked to that system.Important security featuresTamper-evident sealsGiven the high security nature of most installations that incorporate this unit,tamper-evident seals are fitted as standard across certain chassis screws. As partof a best practice policy, you are recommended to check any applied seals on aregular basis to ensure that the unit has not been opened without authorization.IMPORTANT: Do not use the unit if the tamper-evident seals aredamaged. Do not use if there are any signs of damage to the unit or itspower supply.The security indicatorsThe front panel includes five indicators that are dedicated to the AdderViewSecure’s internal security system.Note: Although anti-subversion monitoring continues to take place while theunit is powered down, indications are only given once power is reapplied.If any subversions are suspected by the unit then it will immediately enter a lockdown state where the following will take place:• The computer channels become isolated and will not respond to the frontpanel buttons,• The green authentication channel indicator will illuminate,• The four red security will continually show the following flashing alertsequence:Anti-subversion monitoring (enhanced models only)The enhanced models (AVSC1102-XX and AVSC1104-XX) continually monitortheir various defences for potential subversions (even when power is removed),such as:• Dismantling of the case,• Tampering with the circuitry,• Loss or corruption of authentication security information.To confirm that such checks are taking place, every five seconds the red securityindicators will display a brief scanning sequence where one light appears totrack right and then left along the row:www.adder.comSECUREADDERVIEWGreen authenticationchannel indicatorIlluminates whenever theauthentication channel isselected. The indicator will beon immediately after powerup, until a computer channel isselected.Four red anti-subversion(and authentication) indicatorsOn enhanced models, these indicate thecurrent state of the anti-subversion function(discussed in the next section) and alsoprovide responses whenever you use theauthentication process.Once the alert state occurs, it is irreversible. The unit can no longer be used andmust be replaced.