AMS-4171
Relay Changeover Switcher Video/SDI +2 Audio

AMS-4172
3G/HD/SD-SDI, ASI, G.703, Video, Audio Relay Changeover Switch

AMS-4371
3G/HD/SD-SDI, ASI, G.703, Video 4 Port Changeover Relay

DVS-4040
5x1 270Mb/s ASI/SDI Switcher