I use a $20 Monoprice switch with my Google Fiber, works fine. Sounds like you should call GF and let them figure it out.
Epson Pro Cinema 6050 Projector, Screen TBD, Onkyo DX-C390 Six-Disk CD Changer
Triad Silver Speakers (11 in a 7.2.4 configuration), 2 JTR 118HT Subwoofers
Yamaha CX-A5200 11 Channel Processor, Monoprice Monolith 11 Channel Amplifier
Panasonic DP-UB820 UHD Blu-ray, Sony BDX-BP57 Blu-ray, Oppo DV-981HD, Harmony Elite Remote