Conclusion: this is a convenient switch with separate sound commutation. It completely fulfills
the specified functions without visible signal quality loss. Its advantages are: light, compact, easy
in use, the keyboard control, power supply through one PS/2 with PCs off, the separate
commutation of a dual-channel stereo signal, one cable for the VGA connector makes less mesh
under the table, audio connector caps, a 3-3.5m distance between the PCs.