ADDER ADDERView Secure Digital AVSD1004 プリント

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Experts in 

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ADDERView Secure

USB, dual link DVI-I and audio KVM switch for environments 

where security must be guaranteed

FEATURES

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 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 actively 

cleared once they have been used.

One time programmable microprocessors 

Microprocessors are one time 

programmable and don’t contain 

reprogrammable flash memory. This 

protects against sensitive data being 

stored within the device and protects the 

software against being corrupted.

60dB crosstalk isolation 

High crosstalk isolation ensures that 

less than 1/1000th of any signal from 

one computer is presented to the input 

of another computer due to electrical 

crosstalk.

Restricted USB function 

The USB ports will only support 

keyboards and mice and other devices, 

such as USB storage drives, are actively 

prohibited.

No microphone connections 

To prevent small levels of crosstalk noise 

from being “recorded”, microphone 

connections are banned from the design.

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.

AdderView Secure 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.

Maximum compatibility 

For maximum compatibility and security 

USB keyboard/mouse and dual link DVI-I 

monitor interfaces are used and this... 

PRODUCT IN BRIEF

The AdderView Secure enables a 
keyboard, monitor and mouse to be 
shared between high and low security
systems, sometimes known as red and 
black networks, and is designed care-
fully to prevent information flowing 
between computers or to the outside 
world via emissions snooping. The Ad-
derView Secure design prevents sensi-

tive data from leaking between ports, 
sensitive data leaking to the outside 
world and sensitive data from being 
stored in the device. Furthermore, 
the switch actively combat a range of 
potential leakage “threats”.

High density, small form factor 

ultra secure KVM

Ultra secure KVM