Disclosed is a secure/non-secure bypass switch, comprising a first port
for receiving input signals; a first relay having an input, a first
output and a second output, said input connected to said first port, and
said second output connected to a second port; a first fiber optic modem
having an input and an output, said input connected to said first output
of said first relay; a second fiber optic modem having an input and an
output, said input connected to said output of said first fiber optic
modem; and a second relay having an output, a first input and a second
input, said first input connected to said output of said second fiber
optic modem, said second input connected to a third port, and said output
connected to a fourth port.