... Introduction According to different type, SS100 ASI signal switcher has many functions, such as 2X2,manual,automatic ... ,channging or error switcher, signal losing switching, TS program broadcasting, it is coneneince to used for emergency switching such ... for DTV head-endDistributing and amplifying DVB-ASI/SDI signal routingAutomatically backup redundantly DVB-ASI/SDI signal SS100 ASI Signal Switcher