The DSR4x1 provides dependable signal routing of eight HD or SD SDI video signals, between 143Mbps and 1.5Gbps, to a selected output. There are four LED switches mounted on the front panel to select among the inputs. For remote control, there is an optional RS232 serial port that uses simple ASCII commands for input selection. The included serial control makes for a very economical remote-access SDI switcher. The DSR4x1 are housed in Burst Electronics standard aluminum and steel enclosures...