The Link Electronics 818-OP/SDI is an auto switch for SDI reference. This device monitors a broadcast or studio SDI reference signal; when it senses a loss in signal it automatically switches in a back up system for continued SDI reference. This device is designed in a rack card configuration for mounting in the SPG-812 or PCO-818 chassis.
Link Electronics 818-OP/SDI Specs
SDI x2 A and B, 525 or 625, on BNC connectors
SDI, 525 or 625, on a BNC connector
Mode Switch Input Selection Signal Detection Enable/Disable