AdderView Secure 4 Port EAL4+ & Tempest certified KVM Switch with USB, VGA and Card Reader

The ADDERView Analogue Enhanced SecureSwitch (AVSC1104) allows a keyboard, monitor and mouse to be shared between high and low security systems, "red and black networks" together with secure smartcard reader sharing. The high density, highly robust, small form factor unit ensures maximized security to prevent the compromise of critical data.

Adder AVSC1104 Layout

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Adder AVSC1104 Features

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  Tempest & EAL4+ (NIAP 3.0) certified

  Tempest testing is a strict NSA specification and a NATO certification to ensure that sensitive equipment doesn't leak information. Adder's new secure switch has been tested and qualified to the strictest Tempest standards (USA NSTISSAM Level I and NATO SDIP-27 Level A). This and 80dB crosstalk isolation means that the switches are amongst the lowest leakage KVMs in the world.

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  SmartCard (CAC) reader support

  An optional smart card reader can be connected and used in conjunction with user authentication schemes. The smartcard system inside the switch is designed to introduce no greater risk than would be present if each computer had a separate card reader and the card was moved between them.

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  Advanced tamper protection / reporting

  Anti-subversion monitoring - The enhanced models continually monitor their 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.


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  Authentication function

  AdderView Secure switches provide a trusted mechanism whereby you can confirm the units authenticity. Each AdderView Secure unit has a unique identity code configured within their circuitry. On request, Adder can provide you with an Authentication Certificate.

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  AdderView Analogue Enhanced Secure switch checks its own operation

  The hardware and software must agree before data flow is enabled. The switch constantly checks its own operation and will stop operating and flash its error light if an unanticipated event occurs.

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  Minimal emissions profile - 80dB crosstalk isolation

  The AdderView Analogue Enhanced Secure switch is heavily shielded with double shielding in critical areas to minimise the risk of eavesdropping equipment being able to pick up signals from the equipment. The switch boasts an amazingly high level of electrical crosstalk isolation that is greater than 80dB, giving further peace of mind.



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  No shared RAM between ports

  The keyboard and mouse processor is powered down and reset at each switchover to thwart shared RAM leakages. Separate memories hold the num, caps and scroll states and are only accessible when the relevant channel is selected. All data buffers are actively cleared once they have been used.

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  Secure USB function

  The USB ports will only support keyboards, mice and SmartCard / Common Access Cards (CAC). Other devices, such as USB storage drives, are actively prohibited.

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  Independent power supplies block power line signalling

  The circuitry for each port is independently powered from the USB lead. Power line signaling is therefore blocked because different port circuits don't share the same power feed.



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  Uni-directional data paths for keyboard and mouse

  One-way data paths ensure that data isolation does not rely on trusting microprocessor software, but is instead assured by hardware and prevents a hidden software weaknesses that could potentially cause data leakage. A unidirectional structure also protects against timing analysis or forced malfunction attacks and prevents computers influencing the operation of any common circuitry.

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  One time programmable microprocessors

  Data isolation is assured by hardware and so is not compromised by any changes to the microprocessor software. Microprocessors use one time programmable memory so flash upgrades are not possible

Adder AVSC1104-US Specifications

AVSC1104 is also known as the AVSC1104-US and AVSC1104-USA.