Tempest level A qualified design (NATO SDIP-27 Level A and USA NSTISSAM Level I ), EAL4+ Common Criteria certified at Evaluation Assurance Level 4 - (augmented by ALC_FLR.2 and ATE_DPT.2) Tempest and EAL4+ certificates available.

Ultra secure EAL4+ certified USB, dual link DVI-I and audio KVM switch for use in environments where security must be assured. Ideal for Government, Military and other Secure data environments.

The ADDERView Secure KVM Switch allows a keyboard, monitor and mouse to be shared between high and low security systems, sometimes known as red and black networks, and is designed carefully to prevent information flowing between computers or to the outside world via emissions snooping

EAL4+ Certification

Independantly tested against common criteria, the AVSD achieves Evaluation Assurance Level 4+. CERTIFICATION REPORT No. CRP259 

EAL2+ Certification

EAL2+ Common Criteria Evaluation Assurance Level 2 (augmented by ALC_FLR.2) COMMON CRITERIA (ISO 15408) ASSURANCE LEVEL and Peripheral Sharing Switch (PSS) For Human Interface Devices Protection Profile, IAD, Version 2.1, 7 September 2010. CERTIFICATION REPORT No. CRP268.

Uni-directional data paths for Keyboard and Mouse

Unique 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 uni-directional structure also protects against timing analysis or forced malfunction attacks and prevents computers influencing the operation of any common circuitry.

Minimal emissions profile

The ADDERView Secure 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.

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 cleared once they have been used.


Available in both 2 port & 4 port versions.

Hardware compatibility

Compatible with all known platforms featuring VGA video and USB HID or PS/2connectivity.

OS compatibility

All known software and operating systems including Windows (all), DOS, Linux, Unix,BSD, Sun OS, Solaris, Mac OS, NetWare etc.

Computer connections at switch

2 x USB HID (Keyboard/Mouse), HD-15VGA, 2 or 4 x system link connection.

Physical design

Compact case, robust metal construction, extensive shielding.

Power connection

100-240 VAC 47/63Hz

Operating temperature

0 to 40 deg C / 32 to 104 deg F


Tempest qualified design
Common Criteria EAL4+ Certification

Order Codes

AVSV1002-XX:  Secure KVM Switch with USB, VGA, 2 port
AVSV1004-XX: Secure KVM Switch with USB, VGA, 4 port

XX= Mains Lead Country Code:
UK = United Kingdom
US = United States
EURO = Europe
AUS = Australia

Additional Accessories

The special cables available for connections to each system are carefully constructed with braid and foil to provide excellent screening against signal emissions that could otherwise be eavesdropped. A similarly constructed cable is also available for the monitor connection (VSCD9). The special cables already have ferrite cores fitted to assist with signal suppression. For USB peripheral connections, we strongly recommend that (if not already fitted) you attach ferrite cores to those cables to further assist with emission suppression.

VSCD5: Shielded link cable (VGA, PS/2 keyboard, PS/2 mouse), length 1.8m/6ft
VSCD7: Shielded link cable (VGA, USB keyboard/mouse), length 1.8m/6ft
VSCD9: Shielded link cable (VGA only), length 1.8m/6ft
RMK7: Rackmount kit (257mm wide, 1U products)

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Adder Secure KVM Switch with USB, VGA 4 Port TEMPEST APPROVED AUS power cable Adder Secure KVM Switch with USB, VGA 4 Port TEMPEST APPROVED AUS power cable
$1,060.00 In stock