GangWay16 is a compact, easy-to-use, 16 port RS-422 Gang Roll Switcher and GPI Trigger Box. The front panel includes lighted buttons for clear indication as to the status of each machine, a gang roll button to quickly enable all machines, 3 User Preset Groups and a Tally Select button. A front mounted RS-422 port provides a convenient connection for a remote or other device. It has 16 RS-422 ports on the rear panel and a rear mounted RS-422 input. The rear panel also includes 2 - 25 pin D-Sub connectors for GPI I/O, a power switch and an additional interface slot.